RT9002B 데이터 시트보기 (PDF) - Richtek Technology

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RT9002B

Dual Low Dropout Regulator with Detector

Richtek Technology 

RT9002A/B/C

Parameter

Symbol

Test Conditions

Thermal Shutdown Hysteresis

ΔTSD1

Enable Pin Current

IEN

VIN = 3.5V, Enable

Regulator 2

Output Voltage

Accuracy

RT9002A

RT9002B ΔVOUT2

RT9002C

IOUT2 = 30mA

Maximum Output Current

IOUT2_M AX

Load Regulation (Note 5)

ΔVLOAD2 1mA < IOUT2 < 100mA

Dropout Voltage (Note 6)

VDROP2_1 IOUT2 = 30mA

VDROP2_2 IOUT2 = 100mA

Quiescent Current (Note 7)

IQ2

VIN2 = 4.3V, IOUT2 = 0mA

Line Regulation

Δ VLIN E2

VIN2 = 4.3V to 5.5V,

IOUT2 = 30mA

Power Supply Rejection Rate

PSRR2 f = 100Hz, IOUT2 = 100mA

Current Limit

ILIM 2

VIN2 = 5V

Thermal Shutdown Protection

TSD2

Thermal Shutdown Hysteresis

Detector

ΔTSD2

RT9002A

Detect Fall Voltage

RT9002B VDF

RT9002C

Hysteresis

ΔVHYS

Sink Current

RT9002A

RT9002B IDOUT

RT9002C

VDOUT = 0.5V, VIN2 = 5.0V

VDOUT = 0.5V, VIN2 = 2.0V

Min Typ Max Unit

--

40

--

°C

--

0.1

1

μA

3.234 3.3 3.366

2.744 2.8 2.856 V

3.234 3.3 3.366

500 --

-- mA

--

15

50 mV

--

50

90

mV

-- 150 200

--

40

--

μA

-- 0.01 0.2 %/V

--

−60

--

dB

--

800

--

mA

-- 170

--

°C

--

40

--

°C

3.528 3.6 3.672

3.822 3.9 3.978 V

3.528 3.6 3.672

VDF VDF VDF

V

x0.02 x0.05 x0.08

7

12

--

4

8

--

mA

4

8

--

www.richtek.com

4

DS9002ABC-04 April 2011

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