PFS5176F datasheet(15/25 Pages) POWERINT

15 / 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

Line Sense / Peak Detector

Line Sense and Peak

detector input voltage

(Line-Sense Input

Voltage Range)

V(RANGE)

The voltage on V may exceed the upper

specification, however the line sense function

is saturated at its full scale. Not tested.

Brown-In

Threshold Voltage

BR+

0 ºC < T

J < 100 °C

1.12

Brown-In

Threshold Voltage

BR-

0 ºC < T

J < 100 °C

0.97

Brown-Out Threshold for

Square Wave (Brown-Out

Threshold for High Duty

Cycle Square Wave)

BR(SQ)

0 ºC < T

J < 100 °C

0.86

Soft-Start Brown-Out

Threshold Voltage

(Start-Up Brown-Out

Threshold Voltage

(During NTC Warm-Up

Time))

BR(NTC)

0 ºC < T

J < 100 °C

0.74

Brown-In/Out Hysteresis

BR+ - VBR-) (Brown-In /

Out Hysteresis (After

NTC Warm-Up Time)

BR(HYST)

0 ºC < T

J < 100 °C

130

145

160

Brown-Out

Debounce Timer

Brown-Out

See Note A

Brown-Out Debounce

Timer During Start-Up

with VBR_NTC Threshold

Brown-Out(NTC)

Triggered during startup

(while t

STARTUP is active) if the peak of the V pin

is lower than V

BR-NTC.

1000

1160

Start-Up Timer for Using

Lower Brown-Out

Threshold (V

BR-NTC)

START-UP

The timer is triggered when switching starts.

The timer aborts when a peak < V

BR-NTC. The

timer restarts at zero when a peak > V

BR-NTC.

When timer expires, the higher brown-out

threshold V

BR- is applied

1000

1160

V Pin High-Line

Threshold

V(HIGH+)

(170 VAC)

2.42

V Pin High-Line

Deassertion Threshold

V(HIGH-)

(140 VAC)

2.00

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