NCP1654_09 datasheet(4/23 Pages) ONSEMI

Part #	NCP1654

Description	Power Factor Controller for Compact and Robust, Continuous Conduction Mode Pre-Converters

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NCP1654

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TYPICAL ELECTRICAL CHARACTERISTICS TABLE (VCC = 15 V, TJ from −40°C to +125°C, unless otherwise specified) (Note 3)

Symbol

Unit

Max

Typ

Min

Rating

OVERVOLTAGE PROTECTION

VOVP / VREF

Ratio (Overvoltage Threshold / VREF)

103

105

107

%

TOVP

Propagation Delay (VFB – 107% VREF) to Drive Low

−

500

−

ns

UNDERVOLTAGE PROTECTION / SHUTDOWN

VUVP(on)/VREF UVP Activate Threshold Ratio (TJ = 0°C to +105°C)

4

8

12

%

VUVP(off)/VREF UVP Deactivate Threshold Ratio (TJ = 0°C to +105°C)

6

12

18

%

VUVP(H)

UVP Lockout Hysteresis

−

4

−

%

TUVP

Propagation Delay (VFB < 8% VREF) to Drive Low

−

500

−

ns

THERMAL SHUTDOWN

TSD

Thermal Shutdown Threshold

150

−

°C

HSD

Thermal Shutdown Hysteresis

−

30

−

°C

VCC UNDERVOLTAGE LOCKOUT SECTION

VCC(on)

Start−Up Threshold (Undervoltage Lockout Threshold, VCC rising)

9.6

10.5

11.4

V

VCC(off)

Disable Voltage after Turn−On (Undervoltage Lockout Threshold, VCC falling)

8.25

9.0

9.75

V

VCC(H)

Undervoltage Lockout Hysteresis

1.0

1.5

−

V

DEVICE CONSUMPTION

ISTUP

ICC1

ICC2

ISTDN

Power Supply Current:

Start−Up (@ VCC = 9.4 V)

Operating (@ VCC = 15 V, no load, no switching)

Operating (@ VCC = 15 V, no load, switching)

Shutdown Mode (@ VCC = 15 V and VFB = 0 V)

−

3.7

4.7

300

75

5.0

6.0

400

mA

3. The above specification gives the targeted values of the parameters. The final specification will be available once the complete circuit charac-

terization has been performed.

NOTE:

IM +

Ics

VBO

4

Vcontrol * Vcontrol(min)

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