APW7085K Просмотр технического описания (PDF) - Anpec Electronics

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производитель

APW7085K

2A, 26V, 380kHz, Asynchronous Step-Down Converter

Anpec Electronics 

APW7085

Thermal Characteristics

Symbol

θJA

Parameter

Junction-to-Ambient Resistance in free air (Note 2)

SOP-8

Typical Value

80

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

Recommended Operating Conditions (Note 3)

Symbol

Parameter

VIN VIN Supply Voltage

VCC Supply Voltage

VOUT Converter Output Voltage

IOUT Converter Output Current

VCC Input Capacitor

VIN-to-UGND Input Capacitor

TA Ambient Temperature

TJ

Junction Temperature

Note 3: Refer to the typical application circuits.

Range

4.5 ~ 26

4.0 ~ 5.5

0.8 ~ 90% VIN

0~2

0.22 ~ 2.2

0.22 ~ 2.2

-40 ~ 85

-40 ~ 125

Unit

oC/W

Unit

V

V

V

A

µF

µF

oC

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

APW7085

Unit

Min. Typ. Max.

SUPPLY CURRENT

IVIN VIN Supply Current

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

-

1.0

2.0

mA

IVIN_SD VIN Shutdown Supply Current

VEN = 0V, VIN=26V

-

-

5

µA

IVCC VCC Supply Current

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

-

0.7

-

mA

IVCC_SD VCC Shutdown Supply Current

VCC 4.2V LINEAR REGULATOR

VEN = 0V, VCC = 5.0V

-

-

1

µA

Output Voltage

Load Regulation

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

IO = 0 ~ 8mA

4.0

4.2

4.5

V

-60

-40

0

mV

Current-Limit

VCC > POR Threshold

8

-

30

mA

VIN-TO-UGND 5.5V LINEAR REGULATOR

Output Voltage (VVIN-UGND)

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

5.3

5.5

5.7

V

Load Regulation

IO = 0 ~ 10mA

-80

-60

0

mV

Current-Limit

VIN = 6.2 ~ 26V

POWER-ON-RESET (POR) AND LOCKOUT VOLTAGE THRESHOLDS

10

-

30

mA

VCC POR Voltage Threshold

VCC rising

3.7

3.9

4.1

V

VCC POR Hysteresis

-

0.15

-

V

EN Lockout Voltage Threshold

VEN rising

2.3

2.5

2.7

V

EN Lockout Hysteresis

-

0.2

-

V

Copyright © ANPEC Electronics Corp.

3

Rev. A.7 - Sep., 2010

www.anpec.com.tw

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