ACT8934A datasheet(21/45 Pages) ACTIVE-SEMI

21 / 45 page

ACT8934A

Rev 1, 22-Oct-12

Innovative Power

ActivePMU

TM and ActivePathTM are trademarks of Active-Semi.

2CTM is a trademark of NXP.

- 21 -

www.active-semi.com

Push-Button Response (First Power-Up)

(TA = 25°C, unless otherwise specified.)

REG1 Efficiency vs. Output Current

Output Current (mA)

100

1000

REG2 Efficiency vs. Output Current

100

Output Current (mA)

100

1000

100

TYPICAL PERFORMANCE CHARACTERISTICS CONT’D

CH1

CH2

CH3

nPBIN Resistor = 50kΩ

VOUT = 3.3V

VOUT = 1.8V

CH1: VnPBIN, 2V/div

CH2: VnPBSTAT, 2V/div

CH3: VnRSTO, 2V/div

TIME: 50ms/div

VIN = 3.6V

VIN = 4.2V

VIN = 5.0V

VIN = 3.6V

VIN = 4.2V

VIN = 5.0V

Warm Reset

(Reset button pressed less than 130ms)

CH1

CH2

CH3

CH1: VnPBIN, 2V/div

CH2: OUT5, 1V/div

CH3:VnRSTO , 5V/div

TIME: 100ms/div

nPBIN Resistor = 0Ω

Cold Reset

(Reset button pressed longer than 130ms, less than 260ms)

CH1

CH2

CH3

CH1: VnPBIN, 2V/div

CH2: OUT5, 1V/div

CH3:VnRSTO , 5V/div

TIME: 100ms/div

nPBIN Resistor = 0Ω

Cold Reset

(Reset button pressed longer than 260ms)

CH1

CH2

CH3

CH1: VnPBIN, 2V/div

CH2: OUT5, 1V/div

CH3:VnRSTO , 5V/div

TIME: 100ms/div

nPBIN Resistor = 0Ω

ACT8934A Datasheet(PDF) 21 Page - Active-Semi, Inc

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