NCP1203D60R2 datasheet(4/15 Pages) ONSEMI

Teilenummer	NCP1203D60R2

Bauteilbeschribung	PWM Current?묺ode Controller for Universal Off?묹ine Supplies Featuring Standby and Short Circuit Protection

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Hersteller	ONSEMI [ON Semiconductor]

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ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = 0°C to +125°C, Max TJ = 150°C,

VCC = 11 V unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

Supply Section (All frequency versions, otherwise noted)

Turn−on Threshold Level, VCC Going Up

VCC(on)

6

12.2

12.8

14

V

Minimum Operating Voltage after Turn−on

VCC(min)

6

7.2

7.8

8.4

V

VCC Decreasing Level at which the Latchoff Phase Ends

VCClatch

6

−

4.9

−

V

Internal IC Consumption, No Output Load on Pin 5

ICC1

6

−

750

880

(Note 1)

mA

Internal IC Consumption, 1.0 nF Output Load on Pin 5,

FSW = 40 kHz

ICC2

6

−

1.2

1.4

(Note 2)

mA

Internal IC Consumption, 1.0 nF Output Load on Pin 5,

FSW = 60 kHz

ICC2

6

−

1.4

1.6

(Note 2)

mA

Internal IC Consumption, 1.0 nF Output Load on Pin 5,

FSW = 100 kHz

ICC2

6

−

2.0

2.2

(Note 2)

mA

Internal IC Consumption, Latch−off Phase, VCC = 6.0 V

ICC3

6

−

250

−

mA

Internal Startup Current Source (Pin 8 biased at 50 V)

High−Voltage Current Source, VCC = 10 V

IC1

8

3.5

6.0

9.0

mA

High−Voltage Current Source, VCC = 0

IC2

8

−

11

−

mA

Drive Output

Output Voltage Rise−Time @ CL = 1.0 nF, 10−90% of

Output Signal

Tr

5

−

67

−

ns

Output Voltage Fall−Time @ CL = 1.0 nF, 10−90% of

Output Signal

Tf

5

−

28

−

ns

Source Resistance

ROH

5

27

40

61

W

Sink Resistance

ROL

5

5.0

10

20

W

Current Comparator (Pin 5 loaded unless otherwise noted)

Input Bias Current @ 1.0 V Input Level on Pin 3

IIB

3

−

0.02

−

mA

Maximum Internal Current Setpoint (Note 3)

ILimit

3

0.85

0.92

1.0

V

Default Internal Current Setpoint for Skip Cycle Operation

ILskip

3

−

360

−

mV

Propagation Delay from Current Detection to Gate OFF

State

TDEL

3

−

90

160

ns

Leading Edge Blanking Duration (Note 3)

TLEB

3

−

230

−

ns

Internal Oscillator (VCC = 11 V, Pin 5 loaded by 1 nF)

Oscillation Frequency, 40 kHz Version

fOSC

−

37

42

47

kHz

Oscillation Frequency, 60 kHz Version

fOSC

−

57

65

73

kHz

Oscillation Frequency, 100 kHz Version

fOSC

−

90

103

115

kHz

Maximum Duty−Cycle

Dmax

−

74

80

87

%

Feedback Section (VCC = 11 V, Pin 5 unloaded)

Internal Pullup Resistor

Rup

2

−

20

−

k

W

Pin 3 to Current Setpoint Division Ratio

Iratio

−

3.3

−

Skip Cycle Generation

Default Skip Mode Level

Vskip

1

1.0

1.2

1.4

V

Pin 1 Internal Output Impedance

Zout

1

−

22

−

k

W

1. Max value at TJ = 0°C.

2. Maximum value @ TJ = 25°C, please see characterization curves.

3. Pin 5 loaded by 1 nF.

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