PFS7524LSLASHH datasheet(22/37 Pages) POWERINT

22 / 37 page

Rev. D 04/25

PFS7523-7529/7533-7539

www.power.com

Parameter

Symbol

Conditions

SOURCE = 0 V; V

CC = 12 V,

-40 °C < T

J(C) < 125 °C

(Note C) (Unless Otherwise Specified)

Min

Typ

Max

Units

Currents (cont.)

Operating Current

CC(ON)

No-load on REF

Switching at F

MIN

OFF = TOFF(MIN),

ON = TON(MAX))

0 °C < T

J(C) < 100 °C

PFS7523

PFS7533

0.64

0.75

0.90

PFS7524

PFS7534

0.67

0.79

0.95

PFS7525

PFS7535

0.74

0.88

1.05

PFS7526

PFS7536

0.79

0.93

1.12

PFS7527

PFS7537

0.85

1.00

1.20

PFS7528

PFS7538

0.91

1.07

1.28

PFS7529

PFS7539

0.98

1.15

1.38

Leakage Current in UVLO

State

0 < Pin Voltage < REF

0 °C < T

J(C) < 100 °C

V, FB, C, PGT

±10

PG = 12 V

±0.1

Pull-Down Current

on Feedback

FB(PD)

Not Active When

VCC < UVLO+

0 °C < T

J(C) < 100 °C

100

Pull-Down Current

on Voltage

V(PD)

Not Active When

VCC < UVLO+

0 °C < T

J(C) < 100 °C

100

On-Time Controller

Maximum Operating

“On”-Time

ON(MAX)

0 °C < T

J(C) < 100 °C

Off-Time Controller

Maximum Operating

“Off”-Time

OFF(MAX)

0 °C < T

J(C) < 100 °C

Off-Time Accuracy

OFF(ACCURACY)

0 °C < T

J(C) < 100 °C

V = 1.414 V (or 2.828 V for High-Line Only)

FB = 3.85 V

C > = 4 V

±4.0

Feedback

Feedback Voltage

Reference

FB(REF)

J(C) = 25 °C

3.82

3.85

3.88

0 °C < T

J(C) < 100 °C

3.75

3.85

3.95

Feedback Error-

Amplifier Transconduc-

tance Gain

3.75 V < V

FB < 3.95 V

C = 4 V

0 °C < T

J(C) < 100 °C

105

µA/V

Soft-Shutdown Time

SHUTDWN

See Note A

0.86

1.00

1.16

FEEDBACK Pin

Start-Up/Fault

Threshold

FB(OFF)

0 °C < T

J(C) < 100 °C

0.57

0.64

0.71

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