VRH1001NVX Datasheet

High speed, Low dropout, ±1% High output accuracy CMOS Voltage Regulator with On/Off circuit




The VRH series are positive voltage regulators withhigh speed, low voltage dropout and high accuracy output achieved by low current consumption. The output voltage is guaranteed within ±1% within the  given temperature range by Vref controlling the temperature characteristic. It corresponds to the low ESR  capacitor  as  an  output  stabilization  capacitor. The  charged  ESR
capacitor can be discharged with an internal switchby making the EN=VSS, as a result the  VOUTquickly returns to the  VSSlevel. To make the current capacity  of  the  output  transistor n ot  exceeded,  the over-current  protection circuit is built in.

Output voltage range ······················0.9V~5.0V (selectable with a step of 0.05V)
Operating voltage range ················1.6V~6.0V
High accuracy output voltage ·····±1% (VOUT=1.95V ~ 5.0V) / ±20mV (VOUT=0.9V ~ 1.9V)
Maximum output current ···············250mA
Dropout voltage ·································Typ. 90mV (output=3.0V, IOUT=100mA)
Low current consumption ··············Typ. 25µA
High ripple rejection ·························Typ. 75dB at 1KHz
Low ESR capacitor ····························1.0 µF ceramic capacitor
Operating temperature range ····–40°C ~ +85°C
Built-in over-current protector ·············Limit current : 300mA
CL high-speed auto-discharge
Built-in On/Off circuit
Small package ············SOT-25 (2.9×2.8×1.1mm),  LLP-4 (1.2×1.6×0.6mm), SDFN-4 (1.0×1.0×0.4mm),

Battery powered devices
Cellular phone
Digital / Video cameras
Portable games
Handheld instruments



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