APW7088 Просмотр технического описания (PDF) - Anpec Electronics

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APW7088

Two-Phase Buck PWM Controller with Integrated MOSFET Drivers

Anpec Electronics 

APW7088

Absolute Maximum Ratings (Cont.) (Note 1)

Symbol

Parameter

Rating

V5VCC

VMODE

5VCC Supply Voltage (5VCC to AGND, V5VCC < VCC +0.3V)

MODE to AGND Voltage

Input Voltage (SS, FB, COMP, DROOP, CSP1/2, CSN1/2, VID0/1/2 to

AGND)

-0.3 ~ 7

-0.3 ~ 7

-0.3 ~ V5VCC +0.3

PGND to AGND Voltage

-0.3 ~ +0.3

PDMAX

Maximum Power Dissipation

Maximum Junction Temperature

Limited Internally

150

TSTG

TSDR

Storage Temperature Range

Maximum Soldering Temperature, 10 Seconds

-65 ~ 150

260

Note 1: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device.

Unit

V

V

V

V

W

oC

oC

oC

Thermal Characteristics

Symbol

Parameter

Rating

Unit

θJA

Junction-to-Ambient Resistance (Note 2)

θJC

Junction-to-Case Resistance (Note 3)

45

°C/W

7

Note 2 : θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. The exposed pad of QFN4x4-24 is

soldered directly on the PCB.

Note 3: The case temperature is measured at the center of the exposed pad on the underside of the QFN4x4-24 package.

Recommended Operating Conditions (Note 4)

Symbol

Parameter

VCC

VCC Supply Voltage

V5VCC

5VCC Supply Voltage (V5VCC < VCC +0.3V)

VOUT

Converter Output Voltage

VIN1

PWM 1 Converter Input Voltage

VIN2

PWM 2 Converter Input Voltage

IOUT

Converter Output Current

TA

Ambient Temperature

TJ

Junction Temperature

CVCC

Linear Regulator Output Capacitor

C5VCC

5VCC Linear Regulator Output Capacitor

Note 4 : Refer to the typical application circuits.

Range

8 ~ 13.2

5 ± 5%

0.85 ~ 2.5

3.1 ~ 13.2

3.1 ~ 13.2

~ 60

-20 ~ 70

-20 ~ 125

0.8 ~ 15

0.8 ~ 15

Unit

V

V

V

V

V

A

oC

oC

µF

µF

Electrical Characteristics

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

APW7088

Unit

Min.

Typ.

Max.

SUPPLY CURRENT

UGATEx and LGATEx Open,

ICC

VCC Nominal Supply Current

FB forced above regulation point

-

5

10

mA

ISD

VCC Shutdown Supply

Current

SS=GND

-

5

-

mA

Copyright © ANPEC Electronics Corp.

3

Rev. A.4 - Feb., 2009

www.anpec.com.tw

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