RK808 datasheet(14/75 Pages) ROCKCHIP

номер детали	RK808

подробное описание детали	Power Management System Technical Specifications

PDF	75 Pages

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производитель	ROCKCHIP [Rockchip Electronics Co., Ltd]

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RK808

Power Management System

Version 1.0.1

www.rock-chips.com

Parameter

Symbol

Min.

Typ.

Max.

Unit

3.0mA sink current

CLK32KOUT2 pin LOW-Level Output Voltage,

3.0mA sink current

VOL(CLKO2)

0.4

CLK32KOUT2

HIGH-Level

Output

Voltage, 3.0mA source current

VOH(CLKO2)

VDDIO-0.4

CH1 Buck1 Regulator (VDD_ARM)

Input supply voltage range

VINPUT1

2.7

5.5

Voltage Adjustable Range, 6bit

VFB1

0.7125

1.500

DC output voltage programmable step(DVS)

12.5

Output voltage transition rate

BUCK1_RATE=00

BUCK1_RATE=01

BUCK1_RATE=10

BUCK1_RATE=11

3.6

6.5

mV/us

DVS OK threshold (Vout rising)

VDVSOKR1

DVS OK threshold (Vout falling)

VDVSOKF1

107

Power Good threshold (Vout rising)

VPG1

Output under voltage lockout(Vout falling)

VUV1

Output over voltage lockout (Vout rising)

VOV1

117

Preset Voltage, Default( Tj=25℃ )

VFB1(Default)

1.078

1.100

1.122

Preset Voltage, Default(-10℃≦Tj≦+85℃)

VFB1(Default)

1.067

1.100

1.133

Load Regulation, IOUT1 = 100mA to 5A

%/A

Line Regulation, VCC1 = 3 to 5V, IOUT1 = 1A

0.1

%/V

Rated output current(If ICL1=6A)

IMAX1

Switch Current Limit

(4.5A~6A programmable, step=0.5A)

ICL1

Operating

Quiescent

Current,

load,

VDD=3.8V

IQ1

Minimun Switch Current Limit

(50mA~400mA programmable, step=50mA)

ICLMIN1

100

Soft-start Time

tSS1

400

COUT Discharge Switch ON Resistance

RDIS1

250

ohm

Conversion Effeciency (Vin=3.8V,Vout=1.1V)

Iout=5A

Iout=4A

Iout=3A

Iout=2A

Iout=1 A

RK808 датащи(PDF) 14 Page - Rockchip Electronics Co., Ltd

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