PWM Step-down DC/DC Converter with switch function

带开关功能的脉宽调制降压型DC/DC变换器

R5220x

RICOH  -  PWM STEP-DOWN DC/DC CONVERTER WITH SWITCH FUNCTION,带开关功能的脉宽调制降压型DC/DC变换器,R5220KXX2A-TR,R5220X151A,R5220KXX2B-TR,R5220X121A,R5220X131A,R5220X,R5220XXXXB,R5220XXXXA,R5220DXX1B-TR-FE,R5220KXX1A-TR,R5220DXX2B-TR-FE,R5220KXX1B-TR,R5220KXX∗$-TR,R5220DXX1A-TR-FE,R5220D,R5220DXX∗$-TR-FE,R5220DXX2A-TR-FE,R5220X181A,POWER SOURCE FOR PORTABLE EQUIPMENT SUCH AS DSC, DVC, AND COMMUNICATION EQUIPMENT,便携式设备（如DSC、DVC和通信设备）的电源

Ricoh（理光） R5220x SERIES PWM Step-down DC/DC Converter with switch function

R5220x系列是一款基于CMOS的PWM降压DC/DC转换器，具有同步整流、低供电电流和LDO模式。该系列转换器包含振荡器、PWM控制电路、参考电压单元、误差放大器、软启动电路、保护电路等，可轻松实现高效率的降压转换。输出电压可独立设置，具有低功耗、高效率、内置软启动和锁定保护功能。

RICOH  -  基于CMOS的PWM降压DC/DC变换器,PWM降压DC/DC变换器,CMOS-BASED PWM STEP-DOWN DC/DC CONVERTERS,PWM STEP-DOWN DC/DC CONVERTER,R5220X,R5220KXX∗$-TR,R5220DXX∗$-TR-FE,DVC,COMMUNICATION EQUIPMENT,便携式设备,DSC,PORTABLE EQUIPMENT,通信设备

Ricoh（理光微电子） R5220K 应用于消费市场的中压降压直流转换控制器数据手册

RICOH  -  400MA带开关功能的脉宽调制降压型DC/DC变换器,电源芯片,400MA∗ PWM STEP-DOWN DC/DC CONVERTER WITH SWITCH FUNCTION,R5220K,R5220KXX$∗-TR,R5220KXX2A-TR,R5220K181A,R5220KXX2B-TR,R5220K101A-TR,R5220K101A,R5220KXX1A-TR,R5220KXX1B-TR,电池供电设备的电源,POWER SOURCE FOR BATTERY-POWERED EQUIPMENT,POWER SOURCE FOR HAND-HELD COMMUNICATION EQUIPMENT, CAMERAS, AND VCRS,消费电子,手持式通信设备、照相机和录像机的电源

Ricoh（理光微电子）CMOS模拟电路产品选型指南

COMPANY PROFILE    Special Application Product introduction    Power Management ICs    Battery Management ICs    Power Management ICs/Battery Management Ics Package Information    Operational Amplifiers & Comparators    Mixed Signal ICs / Digital ICs    CMOS analog devices Product model number Index    CMOS analog devices Non-Promotion/ Limited/ Discontinued Products   

RICOH  -  CMOS ANALOG DEVICES,OVP开关IC,VOLTAGE DETECTORS (RESET ICS),MIDDLE VOLTAGE STEP-DOWN DC/DC SWITCHING REGULATORS,升压DC/DC开关稳压器,DC/DC SWITCHING REGULATORS,VOLTAGE TRACKER IC,电池线路开关IC,4-WIRE SERIAL INTERFACE,EXTERNAL POWER SWITCH IC,RECTIFIER SWITCH IC,36多芯锂离子电池保护IC,PFC DRIVER CONTROLLER,WDT,STEP-UP DC/DC SWITCHING REGULATORS,USB开关IC,LED驱动器控制器,CONSTANT-CURRENT LED DRIVER CONTROLLER,电压跟踪器,数字集成电路库,STEP-UP DCDC CONVERTER,LI-ION BATTERY PROTECTION ICS,电池管理集成电路,I²C BUS,RTC,混合信号集成电路,REAL TIME CLOCKS,高压降压直流/直流开关稳压器,USB POWER DELIVERY CONTROLLER ICS,LOW VOLTAGE STEP-DOWN DC/DC SWITCHING REGULATORS,降压DC/DC开关稳压器,POWER MANAGEMENT MULTI-CHANNEL ICS,LI-ION BATTERY SECOND PROTECTION ICS,37LI-ION BATTERY SECOND PROTECTION ICS,电源管理集成电路,BATTERY LINE SWITCH IC,看门狗定时器,低压降压直流/直流开关稳压器,ENVIRONMENT SENSING BOARD,升压DCDC转换器,RESET IC,LI-ION BATTERY PROTECTION ICS,RESET TIMER ICS,POWER MANAGEMENT MULTI-CHANNEL ICS,HIGH VOLTAGE STEP-DOWN DC/DC SWITCHING REGULATORS,3-WIRE SERIAL INTERFACE,电压检测器（复位IC）,OPERATIONAL AMPLIFIERS,多通道集成电路,USB供电控制器IC（USB PD控制器IC）,DC/DC开关调节器,RESET TIMER ICS,复位定时器IC,PFC驱动器控制器,1-CELL LI-ION BATTERY PROTECTION ICS,锂离子电池保护IC,BATTERY MANAGEMENT ICS,USB POWER DELIVERY CONTROLLER IC,负载开关IC,36MULTI-CELL LI-ION BATTERY PROTECTION ICS,HIGH-PRECISION REAL TIME CLOCK MODULE,COMPARATORS,LOAD SWITCH IC,LD DRIVER ICS,LED DRIVER CONTROLLER,LED DRIVER CONTROLLER ICS,MULTI-CHANNEL IC,POWER MANAGEMENT ICS,USB PD CONTROLLER IC,外部电源开关IC,BATTERY MANAGEMENT ICS,MICROCONTROLLER,MULTI POWER SUPPLY,2芯锂离子电池保护IC,VOLTAGE DETECTORS,SWITCH ICS,NEGATIVE VOLTAGE LDO,LDO LINEAR REGULATORS,开关IC,VOLTAGE TRACKER,STEP-DOWN DC/DC SWITCHING REGULATORS,实时时钟,USB SWITCH IC,LD DRIVER ICS,SWITCH IC,37锂离子电池二次保护IC,负电压LDO,POWER MANAGEMENT ICS,模拟前端IC,ANALOG FRONT END,整流开关IC,LD驱动器IC,USB POWER DELIVERY CONTROLLER IC (USB PD CONTROLLER IC),REAL TIME CLOCK (RTC),REAL TIME CLOCK,INTELLIGENT POWER SWITCH IC,SWITCH ICS,DIGITAL ICS,1芯锂离子电池保护IC,ANALOG FRONT-END ICS,RESET ICS,LDO,MIXED SIGNAL ICS,2-CELL LI-ION BATTERY PROTECTION ICS,LI-ION BATTERY PROTECTION PRODUCT,WATCHDOG TIMERS,DIGITAL ICS,OVP SWITCH IC,ANALOG FRONT-END ICS,SPI BUS,RESET ICS,MIXED SIGNAL ICS,线性稳压器,2-WIRE SERIAL INTERFACE,智能电源开关IC,中压降压DC/DC开关稳压器,R3121 NXXXE-Y,R2221X,R5406K,R3134,R3133,R2045,RP201X,R1155X,R3116X,R1191,R5550,R1190,RP117X,R3132,R2043,R3130,R5114SXX1X-Y,R5114LXX2X-Y,R2223L,R1240X,R5429K,R1204XXXXG,R2223T,R1204XXXXH,R5429N,RS5C316A,RS5C316B,RP200X,R5326,R5405N,RP116Z,RP201Z,RP115X,R5324,R3119XXXXA-Y,R5560,R1154X,R3117X,R1287X,RP600K1XXD,R2051,RM590L,R1204XXXXC,R1204XXXXD,R1204XXXXE,R1204XXXXF,R5538D,R5429D,R1204XXXXA,R1204XXXXB,R2025X,R5110XXX2C,R5110XXX2D,RN5T5612 SERIES,R5404K,RP114X,R1111N,RP200Z,R1244N,R3150,RP201Q,R2061,R3121NXXXA,R3121NXXXG,R3154,RP201N,R3115Z,R3114X,R3121NXXXE,R3152,R2062,RP201K,R2221L,R1514X-Y,RS5C338A,R2221T,R5403K,R5106,R5107,R5108,R5109,R1110N,R3121NXXXA-Y,R3160,RP200Q,R3200L064A,R5101,R5535V,R1242S,RP200N,RP200K,RP115L,R1277L-Y,R2023X,R5511D,R5511H,R1155,R5426N,R5114SXX2X,R2000,R1154,R1286K,R5511N,R5534V,R3112X,R5449Z,R2025D,R1150,RP510L,R5110LXX2C,R5110LXX2D,R5426D,R2025S,R5528,R1205X8XXB,R5510H,R1205X8XXC,R5524,R1152N,R5401K,R1513S-Y,R5425N,R5114SXX1X,R5527,R1285L,R5520,R5401N,R5523,R1260S,R5533V,R5448Z,R1163,R1160,R1151N,R1161,RP506L-Y,R1561X-Y,R3119,R5400D,R1131N,R3114,R2025,R3112,R3111,R5538,R2023,R3118,R3117,R3116,R5533,R1170,RP122ZXX3,R1173,R5532V,RN5RYXX1,R2262,R1171,R1172,R5315B,R2023L,R3113D,R5314D,R1130D,R2023T,RN5T618,R2033,3150NXXXA,R5542,3150NXXXB,R5641L,R5543,RP202X,R1130H,R1180,R5540,R5541,R3121,RP118X,R5446Z,R5531V,TK111,TK112,R3111X,TK113,R5106N-Y,R1275S-Y,RP512X,RP600,RN5U700,R5116L-Y,RP601,R1200X,RP602,RP604,RN5T614,RP605,R1204KXXXD,R5550KXXXA,R3152NXXXB-Y,R1801,R1800,LP2985,RP511X,R1213K001A,LP2980,R1213K001B,RP402X,R1201N,R1225N,R1201L,R1200Z,R1115Z,R1114X,RN5VD,R3500SXXXA-Y,R1810,R1204K,R1204NXXXA,R3200X002X,R1204NXXXD,RP401X,R3112QXX2,R1202X,RM590,R1203L,NJU77550,R1118N,R1118K,R3200X001X,R1204KXXXA,R5471 SERIES,R2051S01,NJU77552,R1203N,RP400X,R1116X,R5115SXX1X,RC5T619X,RN5U70,R5117,R5114,R5115,R5116,RP602X,R5115SXX2X,R5110,R5111,R5112,R3154 SERIES,R5590,RP517X,R5111SXX1B-Y,R5409K,R5524X001-Y,R3116X-Y,R1221N,RV5C348B,RX5RZ,RV5C348A,R1112N,RX5RW,RP601Z,R1243X,RP516X,RX5RL,R5540K004,R2223X,R5112S-Y,R5540K002,R5408K,R5408L,R5602L,RN5RG,RN5RF,R1200N,R1224N,R1200L,R1200K,RP515X,R5601T,R3118X,RN5RK,R5117 SERIES,R3160 SERIES,R5408D,RN5RT,R3121NXXXG-Y,R5407K,R5407N,R5601L,R1223N,R540XX,R1524X-Y,RP539Z,R1113Z,R1245X,RP514X,R1273L-Y,R5486K,R5462K,RP510L-Y,RP103QXX2,R5220K,R5220D,RS5C372A,RP200,R5460X,RS5C372B,RP201,RP202,P600K,R2061L,R1500H,R2061S,R1500J,R5461K,RP605X,R3117X-Y,R130X-Y,R5111LXX2D-Y,R3160NXXXB-Y,R5115 SERIES,RP604X,R1501X,RP123XXX1,R3150NXXXE-Y,R1150HXXXC,R1150HXXXD,R1150HXXXA,R1150HXXXB,R1526S,R1206N071B,R1525X,R1278S-Y,RP519Z,R1524X,R5111SXX2D-Y,R5590X,R1218N,R1218K,RP402,R5590N,RP400,RP401,R5524X002B,R5524X002A,R3152NXXXA,R1276S-Y,R3152NXXXB,R5590D,R5111XXX2D-Y,R5480K,R5528Z001A,RX5C338A,R1304L-Y,R1282D,R2262T,R1232,R5640G,RN5C752,R3134K,R2043X,R3134N,R5441 SERIES,R3133Q,R2045D,R5107G-Y,R5445Z,R1526S-Y,R3132X,R1810X,RP120Z,R2045S,R3111E,R1243,R5601,R1244,R5602,R1242,R5312L,R1245,R5421N,R2262X,R1560 SERIES,R1171S,R3134Q,R1240,R1170X,R5524X001A,R5524X001B,RP122NXX1,R5617,R1517X-Y,R5612,R5115X,R5613,R5614,R5615,R5610,R5116S,R5611,R5117S,R3131N,R5117L,R5116S-Y,R5442X,R2043L,R5443Z,RN5RYXX202,R1283Z,R1173X,R3150NXXXA-Y,R2043T,RP171N-Y,R3133D,R5114X,R3201,R1283K,R3200,R1150H,R5310L,R5116L,R1260,R2262L,R1172X,R1203N071B,R1540X-Y,RP124X,R5466K,R3154N,RN5C713,RP100X,RN5C711,RN5C716,R3152 SERIES,R1191X,R5441Z,R1207,R1208,R1580N-Y,R1205,R1206,R1200,R1203,R1204,RP123X,R5550K,R1202,NJU77806,R3130N,R1190X,R1218,R2062L,R1171J,R1210,R2061X,R1211,RP122XXX1,R5112S,R5464K,R1214,R1215,RP122X,R1280D,R1212,R1213,R5109G-Y,R1700V,RS5C372X,R5487L,R1225,R5463K,R1223,R1224,RP123NXX1,R1207N8X3C,R1230D,R1207N8X3B,R5527K,R1278S,R5436,R5612L,R5437,RP104X,R5438,RIOT-001,R1121N,R5439,R5432,R5433,R5434,R5435,R1580N,RP106N,R3201L003,R3201L002,NJU7076,NJU7077,R3201L004,R5611L,R1120N,RP103X,R5448,R3201L001,R5449,RP111X-Y,R5443,R5445,R5446,RN5T566,RN5T567,R1272S-Y,R5441,RP105Q,R5442,R5524X,R2000 SERIES,R1276S,RN5T568,RP170X-Y,R1232D,RP102X,R5458,R5459,R5610L,RP600K2XXC,RP104Q,R3200L053B,RP901,RP904,R3L60N,R5439K,R5524K,R3150NXXXE,R3150NXXXF,R1122N,R5524N,R3200L052B,R5466,RP101X,R5461,R5220,R5462,R5463,R5464,R3150NXXXA,R3150NXXXB,R5460,R5438L,R1276,R1277,R5523N,R1275,RP520X,R1278,RP600K0XXA,RP600K0XXB,R1272,R1273,R1140Q,R5522V,R1270,RP109X,R1271,R1163X,R5328K,R1560X-Y,R5437L,RS5C348A,R1287,R1273L,R1286,R5641,R5436T,R1280,R1272S,R5640,R5115LXX2X,R1283,R5521V,R5435X,R1282,R1271X,RP550L-Y,RP108J,R1260S-Y,R2033X,3121NXXXA,RP300X,R1290,R5650,R5651,R1294,RP107X,R1275S,R1525 SERIES,R5326Z,R1293,R5109G,R5H5SXX2X-Y,R540X,R5326K,R5459L,R5520H,R5326N,RP105X,RS5C313,RP106X,R1141Q,3121NXXXG,R5114SXX2X-Y,R5108G,R1561 SERIES,RP107N,R1250V,R5112SXXXD,RC5T619,RP500X,R5115LXX2X-Y,R5112SXXXB,RP502L,R1213K,RP500Z,R1211X,RP501K,NJU7026,NJU7027,R3500S,R3500SXXXA,R5617Z,RP501,R5116 SERIES,RP503,RP504,RP505,RP506,RP507,RP508,RP500L,RP500K,RP500N,RP500,R1700,R5617L,R1214Z,R1215D,R1202LXXXD,R1540X,NJU7046,NJU77240,NJU7047,NJU77000,NJU77242,R,PORTABLE COMMUNICATION EQUIPMENT,音频播放器,PNDS,交流适配器,清洁剂,PC CARD READER WRITER,USB充电器,CCDS,DESK LAMP,电子仪表,DSVCS,DIGITAL TVS,便携式通信设备,头盔显示器,OLED,EXPRESS CARD SLOT,电荷耦合器件,PC PERIPHERALS,数码摄像机,IOT APPLICATION,DIGITAL CAMERA,打印机,PC外设,风扇,EXPRESS卡插槽,PC卡读写器,微型投影機,PICO PROJECTOR,USB硬盘,STBS,POS,AC ADAPTERS,PC CARD BUS SLOT,多功能处理器,升压电源,机顶盒,USB CHARGERS,二次电池供电设备,AUDIO PLAYER,INDUSTRIAL,LCDS,无线充,USB HDD,个人计算机,SMART SPEAKER,OLEDS,NOTEBOOK PCS,SMARTPHONES,智能 音箱,OA,智能手机,MFPS,液晶显示器,数字电视,SMART PROJECTOR,ELECTRONIC INSTRUMENT,HMD,STEP-UP POWER SUPPLY,工业,CLEANER,ENERGY HARVESTING APPLICATION,PCS,TABLET PCS,WIRELESS CHARGER,SECONDARY BATTERY-POWERED EQUIPMENT,平板电脑,PRINTERS,FAN,台灯,笔记本电脑,PC卡总线插槽,智能投影仪,DSCS

【选型】Ricoh（理光微电子）电源管理芯片选型指南

电源管理IC目录和零件    高温环境产品    稳压器    微控制器监控IC    开关IC技术说明    DC/DC转换器    LED驱动器控制器应用指南    封装信息    未推广产品和受限/停产产品   

RICOH  -  低供电电流稳压器,反转型DC/DC转换器,VD电压检测器,电源管理IC,外部电源开关,DC/DC转换器,双路LDO,VFM/PWM升压型DC/DC转换器,电池电源线开关IC,降压型DC/DC转换器,外部二极管,双通道升压型DC/DC转换器,高输入稳压器,负载开关IC,大输出电流稳压器,电池线路开关IC,微控制器监控IC,过压保护开关,WDT看门狗定时器,PWM升压型DC/DC转换器,外部电源开关IC,双路稳压器,LDO稳压器,3通道DC/DC转换器,三路输出DC/DC转换器,电荷泵型放大器,USB开关IC,中压降压型DC/DC转换器,LED驱动器控制器,开关IC,电池线路开关,低压降压型DC/DC转换器,实时时钟,正常类型电压检测器,低导通阻抗负载开关IC,PMU电源管理单元,压降调节器,VFM升压型DC/DC转换器,升压型DC/DC转换器,负荷开关,高性能稳压器,USB开关,中压降压型DC/DC控制器,可复位定时器,USB高边开关,CMOS型稳压器,内部二极管,电压检测器,直流/ DC,三路LDO,低压差稳压器,USB高边开关IC,RTC,标准稳压器,PWM降压型DC/DC转换器,USB型-C型电力输送控制器,整流器开关,看门狗定时器,整流器开关IC,DC/DC,高压降压型DC/DC转换器,LDO,电源管理芯片,USB负荷开关,外接晶体管稳压器,二极管整流器,LD驱动器,升压型放大器,稳压器,三路稳压器,电池电源线开关,过压保护开关IC,窗口看门狗定时器,智能电源开关,多电源IC,PWM/VFM降压型DC/DC控制器,可复位定时器IC,多通道稳压器,智能电源开关IC,同步整流器,负载开关,低导通阻抗负载开关,R1170S.XX.1.∗-E2-FE,R5406K,R1172D.XX.1.∗-TR-FE,R1201N041A,R1122N.XX.1.∗-TR-FE,RP201X,R1155X,R3116X,R1173XXX1B,R1207N8.X.3.∗-TR-FE,RAMP,R1173XXX1D,R1131X,R1240X,R1100D.XX.1C-TR-F,R1204XXXXG,R1204XXXXH,R5429N,RP200X,R5405N,RP116Z,RP201Z,RP115X,RP112N.XX.1.∗-TR-FE,RP132H.XX.1.#-T1-FE,R1206N.071B-TR-FE,RP200N.XX.1.∗-TR-FE,R3119XXXXA-Y,R1154X,R3117X,R1287X,RP600K1.XX.D-TR,R1212D100A,RP600K1XXD,R3200K.XXX∗-TR,RP202N,RP202Q,R1204XXXXC,R1204XXXXD,RP202K,R1203N.071B-TR-FE,R1204XXXXE,R1204XXXXF,R5429D,R5538D,R1204XXXXA,RP509Z.XXX$.-E2-F,R-FE,R1204XXXXB,R1286K001B,R5590N001A-TR-FE,R3116K,R5404K,RP114X,R1111N,R5328K.XXX∗-TR,R3116N,RP200Z,R1244N,R3116Q,RP201Q,R1180Q.XX.1.∗-TR-FE,R3115Z,RP201N,R3114X,RP600K0.XX.A-TR,RP201K,RP106K.XX.1.∗-TR,R1294L10.∗A-E2,R1514X-Y,RP503X25XA,R5403K,RP170XXX1B,R1121N.XX.1.∗-TR-FE,RP201XXX1D,RP170XXX1D,RP201XXX1B,R1110N,R5101G.XXX.A-TR-FE,RP506KXXB,RP506KXXE,RP506KXXD,RP200Q,R3200L064A,R5535V,R3200X,R1242S,RP200N,RP401N001C,RP115H,RP107Q.XX.2.∗-TR-FE,RP401N001D,RP507K001B,RP103XXX1B,RP200K,RP103XXX1D,RP171XXXXD,RP115L,R1111N301B,RN5VDXXAARN5VDXXCA,R1190H.XXX∗-T1-FE,RP402K.XX.#$-TR,R5511D,R3150NXXXFH,R3118Q.XX.2∗-TR-FE,R5511H,R5560Z011A–TL-F,R3114N,RP112XXXXD,R5426N,R3114K,R1141Q.XX.1.∗-TR-FE,R1245X00XA,R1286K,R3114Q,R5511N,R1245X00XB,R5550K.XXXA-TR,R1170X301B,R5534V,R3112X,R1270S001.∗-E2-FE,RP112XXXXB,R1282D002A,RP550K001A-TR,R1518X851XR1524K.XXXB-TR,RP401K,RP401N,R1205N823C,RP510L,R5426D,R5S40K002,R3119NXXXA,R1205X8XXA,R1205X8XXB,R5510H,R1205X8XXC,RP104XXX1D,R1500H.XXXB-T1-FE,R1152N,R5401K,1114N281B5-TR–FE,R1513S-Y,RP501KXX1A,R5425N,R1285L,R5401N,RP104XXX1B,RP104XXX1C,RP109Q.XX.2.∗-TR-FE,R5540KXXXB,R1208K.X.12.∗-TR,R5533V,R1151N,RP400K,RP506L-Y,R1160N.XX.1.∗-TR-FE,R5540KXXXD,R1272S.XXY.A-E2-FE,R1518X001C,R5540KXXXC,R3116XXX1AR3116XXX1C,R3112D,R5550KXXXA–E2-F,R1100D301C,R5400D,RP502X29293B,R1131N,R1180X281X,R1211N002.$-TR-FE,R5400N,R3112N,R1287X,R1245N001.•-TR-FE,R5532V,R3119NXXXE,RP106QXX2,R1240N001.∗-TR-FE,R5315B,R1287Z,RP202N.XX.1.∗-TR-FE,R3113D,R5314D,RP101KXX2,R1511J.XXX∗-T1-FE,R1130D,RP101KXX1,RP201Z.XX.1.∗-TR-F,R1171S.XX.1.∗-E2-FE,RH5RE30A,RP202X,R1130H,R1173X001B,R1173X001D,R5531V,R1172S.XX.1.∗-E2-FE,R3111X,RP108J251X,R1205XXXXA,R5520H001.∗-T1-FE,R1205XXXXB,RP155Z.XXX∗-E2-F,R3150NXXXBH,R1180N.XX.1.∗-TR-FE,RP111X281X,R1200X,RP152N.XXX∗-TR-FE,RP173Q.XX.2.∗.-TR-FE,R1273L.XXYA-E2,R1204KXXXD,R5550KXXXA,R1514H.XXXB-T1-FE,R3130NXXXA,R1116N,R1524H.XXXB-T1-FE,R1511S.XXX∗-E2-FE,RP114X25XX,R3130NXXXC,R1172XXX1B,RP506K.XX.1.∗-TR,R1172H.XX.1.∗-T1-FE,R1172XXX1D,RP130Q.XX.1.∗-TR-FE,R1213K001A,RP506K001F,R1191L.XXX∗-TR,R1201N,R1213K001B,RP402X,R1172XXX1A,RP131J.XX.1.∗-T1-FE,R1225N,RP506K001C,R1201L,R1162X28,R1200Z,R1115Z,RP153LXXXE,R1114X,RP109L.XX.1.∗-TR,RP153LXXXD,RP300N.XX$∗(.Y.)-TR-FE,R1218NXX2A,RP153LXXXB,RP153LXXXA,RN5VD,R1204NXXXA,R3200X002X,R1204NXXXD,RN5RT30A,RP401X331X,RP300XXXXARP300XXXXC,RP401X,R3112QXX1,RP510L.XX.$.$.-TR,R3112QXX2,RP202K.XX.1.∗-TR,R1215D002E,RP109K.XX.1.∗-TR,R1202X,R1517X001C,R1580N.XXXA-TR-FE,RP107X30XX,RP502X291B,R1203L,R1118N,R1118K,RP107Z.XX.1.∗-TR-F,R1204KXXXA,R3111Q.XX.2.∗-T,R1114XXX1A,R1114XXX1B,R5542Z.XX.2B,RP506K331A,R1114XXX1D,R1203N,RP400X,RP506K331B,R1191X050X,R1116X,RP104K.XX.1.∗.-TR,R5110S.XX2.∗-E2-FE,RP200Z.XX.1.∗-TR-F,R1518XXX1F,R1191H.XXX∗-T1-FE,R5528Z001A–E2-F,RP102XXX1D,RP102XXX1B,RP602Z,RP111N.XX.1.∗-TR-FE,RP506K331C,RP150K.XXX∗-TR,RP506K331D,RP506K331E,RP401N.XX.1.$.-TR-FE,RP506K331F,R1287ZXXXY–E2-F,R1131D.XX.1.∗-TR-FE,R5111SXX1B-Y,R1518XXX1B,R1518XXX1E,R1518XXX1D,R3132XXXEA,RN5RKXX1X,R5409K,R3132XXXEC,RP132J.XX.1.#-T1-FE,R3116X-Y,R5107G.XX.1.∗-TR-FE,RP132K.XX.1.∗-TR,RP115L181X,R1221N,R1211X002C,RX5RZ,R1211X002D,R1112N,RX5RW,R1211X002A,R1211X002B,RP601Z,R1116XXX1B,R1243X,RX5RL,R1116XXX1D,RP101X28XX,RN5RKXX2A,R5111SXX2C-Y,RP200XXX1D,RP200XXX1B,RP171N.XX.1.∗-TR-FE,R5108G.XX.1.∗-TR-FE,R5540K004,R5112S-Y,R5106N.XX.1.∗-TR-FE,R1204N.X.13.•-TR-FE,R5408K,R5408L,RP130XXX1A,RP130XXX1B,R5408N,R1173H.XX.1.∗-T1-FE,RP130XXX1D,RN5RG,RN5RF,R1200N,R1224N,R1200L,R1200K,R1511XXXXC,R3118X,R1511XXXXB,R1163X281X,RN5RK,R3111Q.XX.1.∗-T,R1218NXX1A,R5408D,R1130HXX1,RN5RT,R3111QXX2,R3111QXX1,R1190XXXXB,RP114N.XX.1.∗-TR-FE,R1190XXXXD,R5407K,R1205L8.X.1.∗-TR,RP170N.XX.1.∗-TR-FE,R3112Q.XX.1.∗-TR-FE,R3200LXXX∗-E2,R5407N,R1114Q,R1202L.Y$.1.#-TR,R1223N,R1114N,R1524X-Y,R1113Z,R5328KXXXB,R1245X,R5328KXXXA,R3119X,R3117N.XX.3.•-TR-FE,RP105L.XX.1.∗-TR,R1114D,RP600K,6R1170X,RP116Z.XX.1.∗-TR-F,R3111N.XX.2.$.-T,R5110S,R1273L-Y,R1501J,R1170H.XX.1.∗-T1-FE,RP904Z.XX.1A-E2-F,RP103QXX1,RP510L-Y,RP103QXX2,R5220K,R1524S.XXXB-E2-FE,R5220D,R1273LXXXA,R1,RP504K.XX.1.∗-E2,R1500H,R1500J,R3150N,R3114Q.XX.1.∗.-TR-FE,R1290K10.∗A-E2,R3111XXXXA,R3134N.XX.E.∗(.Y)-TR-FE,R3111XXXXB,R3111XXXXC,SR0VDD,R5524X00XA,R1121N301B,R5524X00XB,RQ,RP300XXXX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CCD,电动工具,电池管理系统,车载导航,电池驱动,白光LED,智能手机,OLED,音频系统,PMOLED,工业四表,娱乐导航,工业,车载动力系统,CCD,车身控制,LED,电子设备,移动设备,LCD,车载领域,个人电脑,家用电器,被动矩阵OLED,工业自动化,升压型电源,辅助驾驶,汽车电子

带开关功能的R5220K系列400mA∗PWM降压DC/DC转换器

R5220K系列400mA PWM降压DC/DC转换器具备同步整流功能，可通过MODE引脚切换至LDO稳压器模式。该转换器包含欠压锁定电路、软启动电路和锁定保护电路，易于配置高效DC/DC转换器。主要特点包括低功耗、宽输入电压范围、固定输出电压和精确输出电压。适用于电池供电设备、手持通信设备、相机和VCR等应用。

RICOH

Ricoh（理光微电子） R5220x 应用于消费市场的中压降压直流转换控制器数据手册

RICOH  -  电源芯片,PWM STEP-DOWN DC/DC CONVERTER WITH SWITCH FUNCTION,带开关功能的脉宽调制降压型DC/DC变换器,R5220KXX2A-TR,R5220X151A,R5220KXX2B-TR,R5220X121A,R5220X,R5220K101A-TR,R5220K101A,R5220XXXXB,R5220XXXXA,R5220DXX1B-TR-FE,R5220KXX1A-TR,R5220DXX2B-TR-FE,R5220KXX1B-TR,R5220K,R5220KXX∗$-TR,R5220DXX1A-TR-FE,R5220D,R5220DXX∗$-TR-FE,R5220DXX2A-TR-FE,R5220X181A,POWER SOURCE FOR PORTABLE EQUIPMENT SUCH AS DSC, DVC, AND COMMUNICATION EQUIPMENT,消费电子,便携式设备（如DSC、DVC和通信设备）的电源

R5220x系列带开关功能的PWM降压型DC/DC转换器

该资料介绍了R5220x系列PWM降压DC/DC转换器，具有同步整流、低供电电流和LDO模式。该系列产品由振荡器、PWM控制电路、参考电压单元、误差放大器、软启动电路、保护电路等组成，可轻松实现高效率的降压DC/DC转换或LDO功能。

NISSHINBO  -  基于CMOS的PWM降压DC/DC变换器,PWM降压DC/DC变换器,CMOS-BASED PWM STEP-DOWN DC/DC CONVERTERS,PWM STEP-DOWN DC/DC CONVERTER,R5220X151A,R5220X121A,R5220X131A,R5220X,R5220KXX∗$-TR,R5220D,R5220XXXXB,R5220DXX∗$-TR-FE,R5220XXXXA,R5220X SERIES,R5220X181A,DVC,COMMUNICATION EQUIPMENT,便携式设备,DSC,PORTABLE EQUIPMENT,通信设备

采用晶体和理光RTC ic的时钟电路设计指南

本文档为Ricoh RTC IC的时钟电路设计指南，主要内容包括：振荡电路的特性、晶振的CL值、振荡允许值、振荡稳定电容（CG、CD）与其他特性的关系、第三电容（CS）的影响、振荡频率的测量、IC引起的振荡频率分散数据、振荡频率与月误差、PCB布局注意事项、时钟增益和损耗的调整方法、软件校准的评估和确认方法、使用振荡校准电路的注意事项以及适当的目标频率。

RICOH

Ricoh（理光微电子） RS5C372A RS5C372B测试报告

本报告为RS5C372A/B实时时钟IC的可靠性测试报告。报告详细列出了包括高温操作寿命、温度湿度偏置、高温存储、低温存储、温度湿度、温度循环、USPCBT、USPCT、耐焊接热、可焊性、ESD（电敏感度）、闩锁效应等18项测试项目及其条件、时间和结果。报告结论为可靠性结果良好，由RICOH电子设备公司质量保证部门提供。

RICOH  -  晶体及时钟芯片,RX5C372A,RX5C372B,工业电子,消费电子,汽车电子,通信设备

使用CL=12.5pF晶体和理光RTC ic进行振荡器频率校准

本文介绍了如何使用12.5pF晶振与Ricoh RTC集成电路进行振荡器频率校准。内容包括Ricoh RTC系列型号、晶振负载电容（CL）的定义、使用12.5pF晶振对Ricoh RTC的影响、如何通过Ricoh RTC的校准功能调整时钟频率、如何评估时钟增益或损失，以及使用振荡器校准电路的注意事项。

RICOH