PFS7523LSLASHH datasheet(26/37 Pages) POWERINT

26 / 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

Current Limit/Circuit Protection (cont.)

Normalized Frequency

at Power Limit

LIM

REF = 1.0 µF

J(C) = 25 °C

±7

0 °C < T

J(C) < 100 °C

±10

SOA Protection

Fixed Off-Time

OFF(SOA)

J(C) = 25 °C

200

250

300

Leading Edge Blanking

(LEB) Time Period

LEB

J(C) = 25 °C

See Note A

220

Minimum On-Time

in IOCP

ON_OCP(MIN)

J(C) = 25 °C

400

VCC Auxiliary Power Supply

VCC Operating Range

VCC

UVLO+

Start-Up VCC

(Rising Edge)

VCC

UV(LO+)

0 °C < T

J(C) < 100 °C

9.6

9.85

10.1

Shutdown VCC

(Falling Edge)

VCC

UV(LO-)

0 °C < T

J(C) < 100 °C

9.05

9.3

9.55

VCC Hysteresis

VCC

(HYS)

0 °C < T

J(C) < 100 °C

0.50

0.57

0.65

UVLO Shutdown

Delay Timer

UV(LO-)

See Note A

500

Time From VCC >

VCC

UVLO+ Until Device

Commences Switching

RESET

V > V

BR+

See Note A

Series Regulator

REFERENCE Pin Voltage

REF

0 °C < T

J(C) < 100 °C

4.95

5.25

5.45

REFERENCE Pin

Required Capacitance

REF

Full Power Mode

0.8

1.0

Efficiency Mode

0.08

0.1

0.2

REFERENCE Pin

UVLO Rising Edge

REF

UV+

0 °C < T

J(C) < 100 °C

See Note A

5.0

REFERENCE Pin

UVLO Falling Edge

REF

UV-

0 °C < T

J(C) < 100 °C

See Note A

4.4

Power Good

Power Good Deasser-

tion Threshold Output

Reference Current

PG(T)

0 °C < T

J(C) < 100 °C; VPGT = 3.0 V

-10.65

-10

-9.35

Power Good Delay Time

(From FB > V

PG+ to

PG < 1 V)

0 °C < T

J(C) < 100 °C; PG = 20 kΩ Pull-Up to

VCC, See Note A

<15

Power Good

Deglitch Time

PG(D)

See Note A

108

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