AX5201 Просмотр технического описания (PDF) - Unspecified

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AX5201

Step-up PWM DC/DC Converter

Unspecified 

AX5201

 ELECTRICAL CHARACTERISTICS

(VCC = 5V, VOUT=12V, TA=25°C, unless otherwise specified)

Characteristics

Symbol

Conditions

Min Typ Max Units

Operating Supply Voltage

VCC

3 - 20 V

Output Voltage Range

VOUT

3.3 - 32 V

Feedback Voltage

VFB IOUT=0.1A

0.98 1.00 1.02 V

Feedback Bias Current

Quiescent Current

Shutdown Supply Current

Oscillation Frequency

Line Regulation

Load Regulation

EN Pin Logic input threshold

voltage

EN Pin Input Current

SS pin Current

Switching Current Limit

IFB

ICCQ

ISD

FOSC

VSH

VSL

ISH

ISL

ISS

ILIM-sw

IOUT=0.1A

VFB=1.5V force driver off

VEN =0V

SW pin

VCC =3~0.8*VOUT

IOUT=50m~1A

High (regulator ON)

Low (regulator OFF)

VEN=2.5V (ON)

VEN=0.3V (OFF)

- 0.1 0.5 uA

- 4 6 mA

- 1 10 uA

400 500 600 KHz

-1- %

-1- %

2.0 - -

V

- - 0.8

- 20 - uA

- -1 - uA

- 8 - uA

2.8 3.0 - A

Internal MOSFET RDSON

Efficiency

RDSON VCC=5V

VCC=12V

EFFI VCC=5V

VOUT=12V

- 40 80

mΩ

- 30 60

IOUT = 0.5A - 92 - %

Maximum Duty Cycle

Minimum Duty Cycle

DCMAX VFB=0V

DCMIN VFB=1.5V

- 85 -

%

-0-

Thermal shutdown Temp

TSD

- 145 - °C

3/10

Axelite Confidential Materials, do not copy or distribute without written consent.

Rev.1.4 Jan.25, 2011

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