NCP1562ADBR2G datasheet(8/26 Pages) ONSEMI

Part #	NCP1562ADBR2G

Description	High Performance Active Clamp/Reset PWM Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP1562A, NCP1562B

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8

ELECTRICAL CHARACTERISTICS (continued) (Vin =48V,VAUX =12V,VUVOV =2.3 V, VEA = open, VCSKIP =0V,

VCS =0V, VSS = open, RT = 13.3 kΩ,CAUX =10 mF, CT = 470 pF, Cout1 =Cout2 = 100 pF, CUVOV =0.01 mF, CCSKIP = 6800 pF,

RD =25kΩ,RSYNC =5.0 kΩ,CREF =0.1 mF, RFF = 29.4 kΩ,CFF = 470 pF. For typical values TJ =25C, for min/max values, TJ is – 40Cto

125C, unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

SYNCHRONIZATION

Output Pulse Width

tO(SYNC)

70

110

--

ns

Output Voltage High (RSYNC = ∞)

VH(SYNC)

–

4.3

–

V

Sync Threshold Voltage (Note 5)

VSYNC

3.5

–

V

Sync Input Pulse Width (VSYNC =3.5 V)

tSYNC

--

–

tO(SYNC)min

ns

Maximum Sync Frequency (Note 5)

fSYNC

–

1.0

MHz

Source Current (Note 5)

ISYNC(D)

–

1.0

–

mA

SOFT--START/STOP

Charge Current (VSS =1.6 V)

ISS(C)

8.3

10.2

13.1

mA

Discharge Current (VUVOV =0V, VSS =1.6 V)

ISS(D)

72

95

115

mA

Soft--Stop Reset Voltage (VFF =0V)

Vreset(SS)

–

115

--

mV

OUTPUTS

Overlap Time Delay (Tested at 50% of Waveform)

Leading

Trailing

tD(leading)

tD(trailing)

37

72

45

90

--

ns

Output Voltage (IOUT =0mA,Note5)

Low State

High State

VOL

VOH

–

11.8

–

0.25

–

V

Drive Resistance (FT ONLY)

OUT1 Sink (VRTCT =4.0 V, Vout1 =1.0 V)

TJ =25_C

TJ = –40_C to 125_C

OUT1 Source (VRTCT =2.5 V, Vout1 =11V)

TJ =25_C

TJ = –40_C to 125_C

OUT2 Sink (VRTCT =4.0 V, Vout2 =1.0 V)

TJ =25_C

TJ = –40_C to 125_C

OUT2 Source (VRTCT =2.5 V, Vout2 =11V)

TJ =25_C

TJ = –40_C to 125_C

RSNK1

RSRC1

RSNK2

RSRC2

–

2.8

–

4.7

–

11.4

–

11.6

–

3.6

5.03

5.75

7.45

12.7

20.0

13.5

20.0

Ω

Rise Time (10% to 90%, Cout1 = 2200 pF, Cout2 = 220 pF)

OUT1

OUT2

tr1

tr2

–

26

19

–

ns

Fall Time (90% to 10%, Cout1 = 2200 pF, Cout2 = 220 pF)

OUT1

OUT2

tf1

tf2

–

10

–

ns

PWM COMPARATOR

Input Resistance

RIN(VEA)

11

25

58

kΩ

Lower Input Threshold

VEA(L)

0.48

0.83

1.04

V

Delay to Output (From VOH to 0.5 VOH)

tPWM

–

100

–

ns

5. Guaranteed by design only.

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