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Datasheet

Datasheet

BM1P066FJ

TSZ02201-0F2F0A200200-1-2

30.Oct.2013.Rev.001

© 2013 ROHM Co., Ltd. All rights reserved.

www.rohm.com

TSZ22111・15・001

● Electrical characteristics of control IC block (Unless otherwise noted, Ta = 25°C, VCC = 15 V)

Parameter

Symbol

Rating

Unit

Conditions

Min.

Typ.

Max.

[PWM type DC/DC driver block]

Oscillation frequency 1a

60

65

70

kHz

FB = 2.00 V average

frequency

Oscillation frequency 2

-

25

-

kHz

FB = 0.40 V average

frequency

Frequency hopping range

-

4.0

-

kHz

FB = 2.00 V average

frequency

Hopping fluctuation frequency

75

125

175

Hz

Minimum pulse width

Tmin

-

400

-

ns

Soft start time 1

0.30

0.50

0.70

ms

Soft start time 2

0.60

1.00

1.40

ms

Soft start time 3

1.20

2.00

2.80

ms

Soft start time 4

2.40

4.00

5.60

ms

Maximum duty

Dmax

68.0

75.0

82.0

%

FB pin pull-up resistance

22

30

38

k

Ω

FB / CS gain

-

4.00

-

V/V

FB burst voltage 1

0.300

0.400

0.500

V

FB drop

FB burst voltage 2

0.350

0.450

0.550

V

FB rise

FBOLP voltage 1a

2.60

2.80

3.00

V

When overload is detected

(FB rise)

FBOLP voltage 1b

-

-0.2

-

V

When overload is detected

(FB drop)

FBOLP detection timer

44

64

84

ms

[Overcurrent detection block]

Overcurrent detection voltage

0.380

0.400

0.420

V

Ton = 0 us

Overcurrent detection voltage

SS1

-

0.100

-

V

0 [ms] ~ Tss1 [ms]

Overcurrent detection voltage

SS2

-

0.150

-

V

TSS1 [ms] ~ TSS2 [ms]

Overcurrent detection voltage

SS3

-

0.200

-

V

TSS2 [ms] ~ TSS3[ms]

Overcurrent detection voltage

SS4

-

0.300

-

V

TSS3 [ms] ~ TSS4 [ms]

Leading edge blanking time

-

250

-

ns

Overcurrent

detection

AC

compensation factor

12

20

28

mV/us