【选型】先积集成高压低功耗LDO LTP3558可兼容替换HT75XX-1,静态电流低至1.5μA
超声波燃气表一般由4节干电池供电,考虑到电压余量和低功耗应用,一般需要颗高压低功耗LDO给后级主控芯片供电,很多厂商会选择HT75XX-1,先积集成LTP3558静态电流低至1.5μA,并且SOT89-3封装可与HT75XX-1兼容,为用户提供备选方案。如下为两者电性能参数对比:
图1:LTP3558与HT75XX-1电性能参数对比
1、相比HT75XX-1,LTP3558有更高输入电压36V,更大输出电流200mA,确保设计有更多余量;
2、LTP3558的静态电流只有1.5μA,非常适合燃气表低功耗应用;
3、HT75XX-1有更多种输出电压版本,但在一般应用中,主控供电用3.3V更常用些;
4、在压差方面两者相差不大,并且均满足工业级温度标准;
5、如下图2、3为两者的封装引脚定义图,其中SOT89-3封装完全兼容,可直接替换。
图2:LTP3558封装引脚定义图
图3:HT75XX-1封装引脚定义图
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先积集成(Linearin)放大器/比较器/数据转换器/模拟开关/电源管理产品选型指南(中文)
描述- 上海先积集成电路有限公司(Linearin Technology Corporation)成立于2016年初,是一家专注于传感信号调理和功率电流感测应用的高端精密模拟芯片公司,总部位于上海,在深圳、西安和无锡等地设有研发中心。公司为汽车电子、新能源、智能家居、IoT物联网、工业控制和智能工厂、医疗设备、通信系统等市场提供创新产品和更优化的解决方案。
型号- LTC8822,LTC8701,LTC8821,LTC8826,LTA6358,LTC8705,LTC8825,LTC8704,LTC8824,LTC8703,LTC8823,LTC8702,LTR3030,LTC8382,LTR3033,LTP3465-XX,LTS111,LTA8094,LTS110,LTC8381,LTC358,LTA8092,LTC324H,LTA8091,LTS117,GP8101S,GP8202AS,LTS115,LTS116,LTC8811,LTC8814,LTC8813,LTC8812,LTP8036-XX,GP9301B,GP9101,LTA27C,LT180B2,GP9105,LT180B1,LTA27A,LT180B4,LT180B3,LTR3040,LTP7693,GP8202SL,LTP753,GP8211S,LTP3558A,LTR3012,GP8212S,LT180A4,LT180A1,LTP5070,LT180A3,LT180A2,LTA8074,LTA8072,LTC358H,LTA8071,LTP3454-XX,LTC331,LTP3565,LTP3567,LTA391,LTC358A,LTP3559A,GP8201S,LTR3025,LTC8594,LTC321H,LTC8593,LTR3020,LTC8592,LTC8591,LTC321A,LTC321B,LTA8084,LTA8081,LTC324,LTA8082,LTC321,LTS8630,LTP3558,LTP3559,LTC8745,LTC8744,LTC8743,LTC8742,LTC8748,LTC8746,LTP431A,LTP431B,LTA6034,GP8101,LT199G3A,LTA6031,LTC8741,LTA6032,LTC393,LTA2901,LTA2903,LTC5223,GP9305,LTA180B1,LTC5228,LTA8224,LTA8221,LTA6042,GP9303,LTA8222,LTA6041,LTA6044,LTP3570,LTC8728,LTA180A1,LTA180A2,LTA180A3,LTA180A4,LTC8844,LTC8723,LTC8722,LTC8842,LTC8721,LTC8841,LTC3157,LTC8727,LTC8726,LTC8725,LTA082H,LT199G1A,LTC8838,GP8111S,LTA180B2,LTA180B3,LTA180B4,LTC8832,LTC8831,LTC8836,LTC8835,LTP432A,LTC8834,LTP432B,LT199G2A,LTC8392,LTC8391,LTC8708,LTC8828,LTC8707,GP8112S,LTC8827,LTC8706,LTC6004,LTC8544,LTP33XX,LTR3312,LTC6001,GP8301,LTC6002,LTC8542,LTA8134,LTC8541,LTA8131,GP8303,LTA8132,GP8302,LTP3456-XX,LTR3325,LTR3320,LTA4584,LTA8024,LTA2904H,LTA8021,GP8413,LTA8264,LTA4580,LTA8022,LTA8261,LTD2260,LTA8262,LTD2261,LTC728,LTA6052,LTC727,LTC726,LTA6054,LTA6051,LTC6001U,GP9406,LTC8634,LTC8876,LTC8875,LTA77E,LTC8632,LTC8874,LTA77F,LTC8878,LT199G3,LT199G2,LTC8631,GP8312,LTC8872,GP9403,GP8311,GP7101,LT199G1,LTC8871,GP9401,GP8313,LTC725,LTC724,LTC723,LTC722,LTC721,LTD2284,GP8503,GP8502,LT181A4,LT181A3,LTC8582,LTC8581,LT181A2,GP8501,LT181A1,LTC8584,GP8500,LTA8294,LTA8292,LTA8291,LTA199G3,LTA199G2,LTA199G1,LTA6324,LTA6321,LTC8333,LTC8332,LTC8811A,LTC8331,LTA8184,LTA8064,LTA8061,LTA8182,LTA8062,LTA8181,LTP6202,GP8403,LTP829,GP8102SL,LTC2467,LTR3333,LTA6773,LTA6771,LTA6772,LTR3330,LTA8274,LTA8154,GP8401,LTA8272,LTA8151,LTA8152,LTA8271,LTD2114,LTD2115,LTD2113,LTC7227,GP8513,GP7305,LTD2118,LTR3340,LTC8554,LTC7222,GP8510,LTC8553,LTC8552,GP8512,LTC8551,LTP7792,LTA8284,LTA8281,LTA8282,LTP3631,GP8212AS,LTP3633,LTP3635,LTP3636,LTP3637
车规级模拟芯片Product Presentation
型号- LTP431A,LTR3312,LTP431B,LTP3559系列,LTC72X,LTA8094,LTA8092,LTP753QA,LTA8091,LTP33XX,LTC393,LTR3325,LTR3320,LT180B2,GP9105,LTC8333,LT180B1,LTC8332,LT180B4,LTC8331,LT180B3,LTA808X,LTA4580,LT180,LTA8181,LTC8728,LTP431,LTC8844,LTC8842,LTC8841,LTC8726,LTR3333,LTC8725,LTC600X,LT180A4,LTC8284,LTR3330,LT180A1,LTC728,LT180A3,LTA809X,LT180A2,LTC726,LTA8151,LT199,LTP3559A,LTP432A,LTR33XX,LTP432B,LT199G3,LT199G2,LTR3340,LTC8554,LTC8553,LTC8552,LT199G1,LTC8551,LTC725,LTA8084,LTA8081,LTA8082,LTR33,LTP3559
LTP3558 36V Input Voltage, 200-mA, Ultra-low I-Q LDOs
型号- LTP3558-XXXT4,LTP3558-XXXT5,LTP3558-XXXF4,LTP3558-XXXT3,LTP3558
【应用】国产高性能LDO LTP3558用于超声波燃气表计量模块,静态电流低至1.5µA,输出电流200mA
在一个超声波燃气表计量模块的项目中,客户想要选用一款低静态电流、输出电压3.3V、输出电流150mA以上的LDO给计量模块供电,输入端是由4节干电池串联接入,鉴于此需求给客户推荐了先积集成LTP3558。
应用方案 发布时间 : 2022-06-22
先积集成低功耗LDO选型表
先积集成低功耗LDO,输出电压2.2V-45V,输出电流200mA~500mA,静态电流最低至0.4uA,PSRR (1kHz)最大为75dB,具有低静态电流,低压差,高输出精度等特点,广泛应用于电池供电设备,便携式通信设备,标签信息,图像传感器,摄像机 等领域。
产品型号
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品类
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输入电压(V)
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输出电压Fix(V)
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输出电流(mA)
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静态电流(uA)
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PSRR (1kHz)(dB)
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输出噪声(uV)
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压差(mV)
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Packages
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LTP3631
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低功耗LDO
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2.2V-5.5V
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1.1V-3.6V
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200mA
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0.6uA
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55dB
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55uV
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250mV
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SOT23-5, DFN1*1
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选型表 - 先积集成 立即选型
LTP3559A 350 mA, 45 V, Ultra-low IQ, Low Dropout LDO Data Sheet
型号- LTP3559A-50RXT4,LTP3559A,LTP3559A-33RXT4,LTP3559A-33XT4,LTP3559A-50XT4
LTP3558A 36V Input Voltage, 200-mA, Ultra-low I-Q LDOs
型号- LTP3558A,LTP3558A-33RXT4,LTP3558A-50RXT4,LTP3558A-33XT4,LTP3558A-50XT4
先积集成出席慕尼黑华南电子展,展出全系列通用模拟芯片、自主研发创新技术和解决方案
2022年11月15日-17日,2022慕尼黑华南电子展即将在深圳国际会展中心开幕。本次展会,先积集成将携多种类的自主研发创新技术和各类解决方案与您见面。诚邀您一起共赴盛宴!现场直面交流产品与技术。
原厂动态 发布时间 : 2022-11-09
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服务
提供全面表征产品器件耗电特征及功耗波形、快速瞬态效应、电源优化、表征和仿真测试服务,使用直流电源分析仪测量精度达50µV,8nA,波形发生器带宽100kHz,输出功率300W,示波器200kHz,512 kpts
实验室地址: 深圳/苏州 提交需求>
可定制变压器支持60W-600W范围,额定电流最高10A,漏感稳定度最小3%;支持开关变压器、电流感测变压器、栅极驱动变压器、LLC谐振变压器、PoE变压器等产品定制。SPQ为5K。
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