RT9164-25CG 데이터 시트보기 (PDF) - Unspecified

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RT9164-25CG

1A Fixed and Adjustable Low Dropout Positive Voltage Regulators

Unspecified 

RT9164

Parameter

Symbol

Test Conditions

Min Typ Max Units

Dropout Voltage (2)

VDROP

Current Limit

Minimum Load Current RT9164

ILIMIT

Quiescent Current

RT9164-XX IQ

Ripple Rejection

PSRR

Adjust Pin Current

Adjust Pin Current Change

IADJ

∆IADJ

IOUT = 100mA

-- 1.1 1.2 V

IOUT = 500mA

-- 1.15 1.25 V

IOUT = 800mA

-- 1.2 1.3 V

IOUT = 1000mA

-- 1.3 1.4 V

VIN = 5V

1000 -- 2000 mA

(VIN-VOUT) = 2V

-- 5 10 mA

VIN = 5V

-- 5 10 mA

fRIPPLE = 120Hz ,

(VIN - VOUT) = 2V, VRIPPLE = 1VP-P

--

--

72 -- dB

65 120 µA

10mA ≤ IOUT ≤ 1A, VIN = 5V

-- 0.2 5 µA

Notes:

(1) Low duty cycle pulse testing with Kelvin connections.

(2) ΔVOUT and ΔVREF = 1%.

Function Block Diagram

CURRENT

LIMITING

AMPLIFIER

LIMIT

SENSE

THERMAL OVERLOAD

VOLTAGE

REGULATION

AMPLIFIER

Pin Description

Pin Name Pin Function

ADJ/GND Adjust or Ground

VOUT

Output Voltage

VIN

Power Input

VIN

S.O.A.

VOUT

VREF

ADJ/GND

DS9164-08 May 2001

www.richtek-ic.com.tw

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