APW7089KAI-TRG Просмотр технического описания (PDF) - Anpec Electronics

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APW7089KAI-TRG

4A, 26V, 380kHz, Asynchronous Step-Down Converter

Anpec Electronics 

APW7089

Thermal Characteristics

Symbol

Parameter

Typical Value

Unit

θJA

Junction-to-Ambient Resistance in Free Air (Note 2)

θJC

Junction-to-Case Resistance in Free Air (Note 3)

SOP-8P

SOP-8P

50

oC/W

10

oC/W

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

of SOP-8P 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 SOP-8P package.

Recommended Operating Conditions (Note 4)

Symbol

Parameter

VIN VIN Supply Voltage

VCC Supply Voltage

VOUT

IOUT

Converter Output Voltage

Converter Output Current

VCC Input Capacitor

VIN-to-UGND Input Capacitor

TA Ambient Temperature

TJ

Junction Temperature

Note 4: Refer to the typical application circuits.

Range

Unit

4.5 ~ 26

V

4.0 ~ 5.5

V

0.8 ~ 90% VIN

V

0~4

A

0.22 ~ 2.2

µF

0.22 ~ 2.2

µF

-40 ~ 85

oC

-40 ~ 125

oC

Electrical Characteristics

Refer to the typical application circuits. These specifications apply over V =12V, V =3.3V and T = -40 ~ 85oC, unless

IN

OUT

A

otherwise specified. VCC is regulated by an internal regulator. Typical values are at TA=25oC.

Symbol

Parameter

Test Conditions

APW7089

Unit

Min. Typ. Max.

SUPPLY CURRENT

IVIN VIN Supply Current

IVIN_SD VIN Shutdown Supply Current

IVCC VCC Supply Current

IVCC_SD VCC Shutdown Supply Current

VCC 4.2V LINEAR REGULATOR

VFB = 0.85V, VEN=3V, LX=Open

VEN = 0V, VIN=26V

VEN = 3V, VCC = 5.0V, VFB=0.85V

VEN = 0V, VCC = 5.0V

-

1.0

2.0

mA

-

-

5

µA

-

0.7

-

mA

-

-

1

µA

Output Voltage

Load Regulation

Current-Limit

VIN-TO-UGND 5.5V LINEAR REGULATOR

VIN = 5.2 ~ 26V, IO = 0 ~ 8mA

IO = 0 ~ 8mA

VCC > POR Threshold

4.0

4.2

4.5

V

-60

-40

0

mV

8

-

30

mA

Output Voltage (VVIN-UGND)

Load Regulation

Current-Limit

VIN = 6.2 ~ 26V, IO = 0 ~ 10mA

IO = 0 ~ 10mA

VIN = 6.2 ~ 26V

5.3

5.5

5.7

V

-80

-60

0

mV

10

-

30

mA

Copyright © ANPEC Electronics Corp.

3

Rev. A.1 - Jan., 2012

www.anpec.com.tw

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