APW7098 데이터 시트보기 (PDF) - Anpec Electronics

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APW7098

T wo- Phase Buck PWM Controller with Integrated MOSFET Drivers

Anpec Electronics 

APW7098

Electrical Characteristics (Cont.)

Refer to the typical application circuits. These specifications apply over VIN=12V, VOUT=1.2V and TA= -20 ~ 70°C, unless otherwise

specified. Typical values are at TA=25°C. The V5VCC is supplied by the internal regulator.

Symbol

Parameter

Test Conditions

APW7098

Unit

Min.

Typ.

Max.

SOFT-START AND ENABLE

ISS Soft-Start Current Source

Soft-Start Complete Threshold

Flowing out of SS pin

8

10

12

µA

-

3.2

-

V

SS Pull-low Resistance

-

10

18

kΩ

POWER-OK AND PROTECTIONS

Over-Current Trip Level

VUV FB Under-Voltage Threshold

VPOK_L

VOV,

VPOK_H

TOTR

POK Lower Threshold

FB Over-Voltage Threshold

and POK Upper Threshold

FB Over-Voltage Hysteresis

Over-Temperature Trip Level

Over-Temperature Hysteresis

ICS1 + ICS2

~ 2µs noise filter, VFB falling,

Percentage of VR at Error Amplifier

~ 2µs noise filter, VFB rising

Percentage of VR at Error Amplifier

TJ rising

110

120

140

µA

40

50

60

%

-

87.5

-

%

115

125

135

%

-

60

80

mV

-

150

-

oC

-

50

-

oC

Copyright © ANPEC Electronics Corp.

6

Rev. A.6 - Oct., 2009

www.anpec.com.tw

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