HFC0500 – FIXED-FREQUENCY FLYBACK CONTROLLER WITH ULTRA-LOW NO LOAD POWER CONSUMPTION

HFC0500 Rev. 1.1

www.MonolithicPower.com

5

7/13/2015

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ELECTRICAL CHARACTERICS

under 25℃, unless otherwise specified.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Start-up Current Source (HV)

1.5

2.8

5

Supply Current from HV

1.5

2.7

5

mA

18V then decreases

1

16

25

μA

Leakage Current from HV

18V then decreases

1

13

22

μA

Break Down Voltage

700

790

V

VCC Increasing Level at which the

Current Source Turns-Off

12.5

15.5

18

V

VCC Decreasing Level above which Soft

10.5

12

13

V

VCC Hysteresis for Brown-in Detection

1.35

3.5

V

VCC Decreasing Level at which the

Current Source Turns-On

7.3

8.5

9.6

V

VCC UVLO Hysteresis

5

7

V

VCC Re-charge Level when Protection

Takes Place

4.9

5.5

6.2

V

VCC Decreasing Level at which the Latch

off Phase Ends

2.5

V

Internal IC Consumption

1.1

1.8

2.7

mA

Internal IC Consumption, Latch off Phase

520

700

880

μA

Voltage on the VCC above which the

Controller Latches off (OVP)

24

26.5

28.5

V

Blanking

Duration

on

the

OVP

Comparator

60

μs