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R1210N331D DC/DC Step-Up Converter 3.3V SOT-153/SC-74A/SOT23-5 marking W30 8V Input PWM Step-up DC/DC Converter
控制方式 MODE | PWM |
输入电压VIN Input Voltage | ≤8V |
输出电压VOUT Output Voltage | 3.3V |
输出电流IOUT Output Current | 100mA/0.1A |
震荡频率FOSC Oscillation Frequency | 100KHz,180KHz |
内置FET Built-in FET | |
Description & Applications | • 8V Input PWM Step-up DC/DC Converter • Supply Current (IDD1)Typ. 35μA (R1210N301, 100kHz), Typ. 60μA (R1210N301, 180kHz) (Switching) Typ. 20μA (R1210N302, 100kHz), Typ. 25μA (R1210N302, 180kHz) • Supply Current (IDD2)Typ. 10μA (No switching, 100kHz) Typ. 15μA (Same as above, 180kHz) • Standby Current (Istandby) Max. 0.5μA (CE="L") • Input Voltage Range (VIN) Max. 8.0V • Start-up Voltage (Vstart) Max. 0.9V (xx1 Version), 0.8V(xx2 Version) • Output Voltage Range (VOUT) 2.2V to 6.0V (Internally fixed) (2.2V to 3.5V for xx1A) • Output Voltage Accuracy ± 2.5% • Oscillator Frequency (fosc) 100kHz (xx1A/xx1C/xx2C Version), 180kHz (xx1D/xx2D Version) • Basic Frequency Change-over Circuit 100kHz → 35kHz (only xx1A Version) • Oscillator Maximum Duty Cycle (Maxduty) Min. 70%, Typ. 85% • Efficiency Typ. 88% (R1210N301, VIN=1.8V, IOUT=10mA) • Package SOT-23-5 |
描述与应用 | •8V输入PWM升压型DC/ DC转换器 •电源电流(IDD1)典型。 35μA(R1210N301,100kHz时),典型。60μA(R1210N301,180KHZ的) (开关)的典型。 20μA(R1210N302,100kHz时),典型值。 25μA(R1210N302,180KHZ的) •电源电流(IDD2)典型。 10μA(无开关,100kHz的)典型。 15μA(同上,180KHZ) •待机电流(Istandby)最大。 0.5μA(CE=“L”) •输入电压范围(VIN)最大。 8.0V •启动电压(VSTART)最大。 0.9V(XX1版),0.8V(XX2版本) (VOUT)输出电压范围2.2V至6.0V(内部固定)(2.2V至3.5V xx1A) •输出电压精度为±2.5% •振荡器频率(FOSC)100kHz的(xx1A/xx1C/xx2C版) 180KHZ(xx1D/xx2D版) •基本频率变化超过100kHz的电路→35kHz的(只有xx1A版) •振荡器的最大占空比(Maxduty)最小。 70%,典型值。 85%的 •效率典型。 88%(R1210N301, VIN= 1.8V,IOUT=10毫安) •封装SOT-23-5 |