APW7324 Просмотр технического описания (PDF) - Anpec Electronics

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производитель

APW7324

4A,5V, 500KHz Synchronous Buck Converter

Anpec Electronics 

APW7324

Recommended Operating Conditions (Note 4)

Symbol

VCC

VIN

VOUT

IOUT

TA

TJ

Parameter

VCC Supply Voltage

VIN Supply Voltage

Converter Output Voltage

Converter Maximum Output Current

Ambient Temperature

Junction Temperature

Range

2.9~ 6

2.5~6

0.8~6

4

-40 ~ 85

-40 ~ 125

Unit

V

V

V

A

oC

oC

Note 4: Refer to the typical application circuit.

Electrical Characteristics

Unless otherwise specified, these specifications apply over VCC=VIN=5V, VOUT=3.3V and TA=-40~85oC. Typical values

are at T =25oC.

A

Symbol

Parameter

SUPPLY CURRENT

IVCC VCC Supply Current

IVCC_SD VCC Shutdown Supply Current

POWER-ON-RESET (POR)

VCC POR Voltage Threshold

VCC POR Voltage Hysteresis

VCC Debounce Time

VIN POR Voltage Threshold

VIN POR Voltage Hysteresis

REFERENCE VOLTAGE

VREF Reference Voltage

Output Accuracy

OSCILLATOR and DUTY CYCLE

FOSC Oscillator Frequency

Maximum Converter’s Duty

Minimum on Time

POWER MOSFET

High Side MOSFET Resistance

Low Side MOSFET Resistance

Test Conditions

VFB=0.7V

EN=GND

VCC Rising

VCC Falling

VIN Rising

VIN Falling

All temperature

IOUT=10mA~3A, VCC=2.9~5V

VFB=0.7V

VCC=VIN=5V, ILX=0.5A, TA=25oC

VCC=VIN=5V, ILX=0.5A, TA=25 oC

APW7324

Unit

Min.

Typ.

Max.

-

460

-

µA

-

-

20

µA

-

2.7

-

V

-

200

-

mV

-

10

-

µs

-

2.3

-

V

-

50

-

mV

-

0.8

-

V

-1

-

+1

%

-1.5

-

+1.5

%

425

500

575

KHz

-

100

-

%

-

70

-

ns

-

85

115

mΩ

-

75

105

mΩ

Copyright © ANPEC Electronics Corp.

3

Rev. A.4 - Aug., 2013

www.anpec.com.tw

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