PFS5176F datasheet(19/25 Pages) POWERINT

19 / 25 page

Rev. C 03/22

PFS5173-5178/5274

www.power.com

Parameter

Symbol

Conditions

SOURCE = 0 V, V

CC = 12 V,

J = -40 to +125 °C

(See Note C)

Min

Typ

Max

Units

Power Good PFS517x Parts

Power Good Threshold

Set Reference Current

(Power Good Deassertion

Threshold Output

Reference Current)

PG(T)

0 °C < T

J < 100 °C; VPGT = 3.0 V

-10

Power Good Delay Time

(From FB > V

PG+ to

PG < 1 V)

0 °C < T

J < 100 °C; PG = 20 kΩ pull-up to

12 V from FB > V

PG+ to PG < 1 V

See Note A

<15

Power Good State

Change Deglitch Time

PG(D)

J = 25 °C; Applies to rising and falling

transitions on the power good comparator

and detection of an open PGT pin. See Note A

Power Good Internal

Reference Threshold

(Start-up Threshold)

(Power Good Internal

Assertion Threshold)

PG+

0 °C < T

J < 100 °C

3.55

3.65

3.75

Power Good

Relative Threshold

PG+REL(FB)

0 °C < T

J < 100 °C

FBREF

-0.2

Power Good

Deassertion Threshold

PG(VOL)

V (PGT) = 3 V

0 °C < T

J < 100 °C

V (PGT)

±30 mV

Power Good Pin Leakage

Current in Off-State

PG(OFF)

FB < V

PG(-)

0 °C < T

J < 100 °C

100

Power Good

On-State Voltage

PG-

0 °C < T

J < 100 °C

PG = 1.0 mA; FB = 3.85 V

Thermal Protection (OTP)

Controller Junction

Temperature for

Shutdown

OTP+

Soft-shutdown is triggered when the silicon

exceeds this temperature

See Note A

138

°C

Controller Junction

Temperature for Restart

OTP-

Restart occurs if OTP hysteresis is enabled

when the silicon drops below this temperature

See Note A

°C

Over-Temperature

Hysteresis

OTP(HYST)

V > V

BR+

See Note A

°C

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