BD7F200EFJ-LBE2 datasheet(5/31 Pages) ROHM

Part #	BD7F200EFJ-LBE2

Description	Optocoupler-less Isolated Flyback Converter

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Datasheet

BD7F200HFN-LB

BD7F200EFJ-LB

TSZ02201-0J1J0AZ01220-1-2

24.Mar.2016 Rev.002

www.rohm.com

TSZ22111・15・001

Electrical Characteristics

(Unless otherwise specified Ta = 25°C, VIN = 24V, and VSDX/EN = 2.5V.)

Parameter

Symbol

Limit

Unit

Conditions

Min

Typ

Max

Power Supply

Quiescent Current

IST

-

0

10

µA

VSDX/EN = 0V

Operating Current

ICC

-

2

4

mA

VSDX/EN = 2.5V

VREF = 2V (at PFM operation)

UVLO Detection Voltage

VUVLO

5.7

6.2

6.7

V

VIN falling

UVLO Hysteresis Voltage

VUVLO_HYS

0.6

0.7

0.8

V

SDX/EN Control

Shutdown Voltage

VSDX

0.3

0.9

1.5

V

Enable Voltage

VEN

1.9

2.0

2.1

V

VSDX/EN rising

Enable Hysteresis Voltage

VEN_HYS

0.15

0.2

0.25

V

SDX/EN Input Current

ISDX/EN

-

0

1

µA

VSDX/EN=2V

Reference Voltage

VREF

0.768

0.78

0.792

V

Switch Characteristics

ON-Resistance

RON

-

0.5

-

Ω

Between SW - PGND terminals

Over Current Limit

ILIMIT

2.2

2.75

3.3

A

Switching Frequency

fSW

-

400

-

kHz

At PWM operation (Duty=40%)

Minimum ON Time

tON_MIN

-

350

-

ns

Minimum OFF Time

tOFF_MIN

-

300

-

ns

Maximum OFF Time

tOFF_MAX

-

20

-

µs

Soft Start Time

tSS

-

6

-

ms

0V to (VREF

×90%)

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