HF01B00/01/02/03/04

–OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR

HF01B00/01/02/03/04 Rev. 1.2

www.MonolithicPower.com

4

4/9/2013

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2013 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Start-up Current Source (Pin D)

Supply current from Pin D

1.4

2

2.6

mA

Leakage current from Pin D

20

μA

Break Down Voltage

700

--

V

On-State Resistance

HF01B00

1.9

Ω

HF01B01

3.3

HF01B02

5.5

HF01B03

7.7

HF01B04

11

Supply Voltage Management (Pin Vcc)

High Voltage Current Source Stops

10.6

11.8

13

V

High Voltage Current Source Triggers

7.2

8

8.8

V

Latchoff Phase Ends

5.5

V

Internal IC Consumption, Latchoff Phase

400

μA

Feedback Management (Pin FB)

Internal Pull Up Resistor

10

kΩ

Internal Pull Up Voltage

Vup

4.5

V

Pin8 to Current Set point Division Ratio

3.3

Internal Soft-Start Time

Tss

2.4

ms

FB Decreasing Level at which the

Regulator enter the Burst Mode

0.5

V

FB Increasing Level at which the

Regulator leave the Burst Mode

0.7

V

Over Load Set Point

3.7

V

Valley Switching Detector (Pin VSD)

Valley Point Detection Threshold Voltage

30

45

60

mV

Valley Point Detection Hysteresis

10

mV

Pin VSD Clamp Voltage

High

State

Ipin=3.0mA

7

7.8

8.6

V

Low State

Ipin=-2.0mA

-0.8

-0.65

-0.5

V

Valley Point Detection Delay

Pull down from

2V to -100mV

90

150

210

ns

Parasitical Capacitance at Pin VSD

Cpar

10

pF

Minimum Off Time

6.6

7.8

9

μs

Re-start time After Last Valley Point

Detection Transition

4.6

μs

OVP Sampling Delay

3.5

μs

Pin VSD OVP reference level

6

V

Internal Impedance

Rint

24

kΩ

Current Sampling Management (Pin S)

Leading Edge Blanking

320

ns

Maximum current set-point

1

V