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R1230D181B-TR DC/DC Step-Down Converting PMIC 1.8V SON-8 marking A18B Step-Down Converter

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Product description
控制方式
MODE
pwm/vfm
输入电压VIN
Input Voltage
2.3~5.5V
输出电压VOUT
Output Voltage
1.8V
输出电流IOUT
Output Current
震荡频率FOSC
Oscillation Frequency
800KHZ
内置FET
Built-in FET
PMOS/NMOS
Description & ApplicationsPWM/VFM step-down DC/DC converter with Synchronous Rectifier • Built-in Driver ON Resistance P-channel 0.35Ω, N-channel 0.45Ω (at VIN=3V) • Built-in Soft-start Function (TYP. 1.5ms), and Latch-type Protection Function (Delay Time; TYP. 1.5ms) • Two choices of Oscillator Frequency 500kHz, 800kHz • PWM/VFM alternative with MODE pin PWM operation; MODE pin at “L”, •VFM operation; MODE pin at “H” High Efficiency TYP. 90% Output Voltage Stepwise Setting with a step of 0.1V in the range of 1.2V ∼ 4.0V(XX1A/B Type) or adjustable in the range of 0.8V to VIN(001C/D Type) • High Accuracy Output Voltage ±2.0%(XX1A/B Type) • Package • • • • • SON8 (Max height 0.9mm, thin type) • Power source for portable equipment.
描述与应用PWM/ VFM降压同步整流DC/ DC转换器 •内置驱动器导通电阻0.35Ω,P沟道N沟道0.45Ω(VIN= 3V) •内置软启动功能(典型值1.5ms的),锁存型保护功能(延时; TYP。为1.5ms) •选择的振荡器频率500kHz,800kHz的 •PWM/ VFM替代MODE引脚PWM操作; MODE引脚在“L” •衡工量值式操作; MODE引脚在“H”      高效率TYP。 90%的        输出电压逐步设置每步0.1V的范围1.2V〜4.0V(XX1A/ B型)                              或可调范围为0.8V至VIN(001C/ D型) •高精度输出电压±2.0%(XX1A/ B型) •包装•••••SON8(最大高度0.9毫米的,超薄型) •用于便携式设备的电源。
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