NCP1397A データシートの表示（PDF） - ON Semiconductor

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NCP1397A

High Performance Resonant Mode Controller with Integrated High-Voltage Drivers

ON Semiconductor 

NCP1397A, NCP1397B

ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, Max TJ = 150°C, VCC

= 12 V unless otherwise noted)

Symbol

Rating

Pin

Min

Typ

Max

Unit

TIMERS

Itimer2

Timer capacitor charge current when Vpin9 > Vref(OCP) (Icharge1 +

3

1.1

1.3

1.5

mA

Icharge2) – A version only

Ttimer

Timer duration with a 1 mF capacitor and a 1 MW resistor, Itimer1

current applied

3

−

24

−

ms

TtimerR Timer recurrence in permanent fault, same values as above

Vtimer(on) Voltage at which pin 3 stops output pulses

Vtimer(off) Voltage at which pin 3 restarts output pulses

RSS(dis) Soft−start discharge switch channel resistance

PROTECTION

3

−

1.4

−

s

3

3.8

4

4.2

V

3

0.95

1

1.05

V

1

−

100

−

W

Vref(Skip)

Hyste(Skip)

Vref(Fault)

Hyste(Fault)

Vref(OCP)

Hyste(OCP)

Tp(Disable)

IBO(bias)

VBO

Reference voltage for Skip/Disable input (Note 4)

Hysteresis for Skip/Disable (Note 4)

Reference voltage for Fault comparator

Hysteresis for fault comparator input

Reference voltage for OCP comparator

Hysteresis for OCP comparator input

Propagation delay from disable input to the drive shutdown

Brown−Out input bias current

Brown−Out level

8

630

660

690

mV

8

−

45

−

mV

9

0.99 1.04 1.09

V

9

−

60

−

mV

9

1.47 1.55 1.63

V

9

−

90

−

mV

8

−

60

100

ns

5

−

0.02

−

mA

5

0.99 1.04 1.09

V

IBO

Hysteresis current, Vpin5 > VBO

5

25

28

31

mA

Vlatch

Latching voltage

5

3.7

4

4.3

V

TSD

Temperature shutdown

−

140

−

−

°C

TSD(hyste) Hysteresis

−

−

30

−

°C

3. The IC does not activate soft−start (unless the feedback pin voltage is below 0.3 V) when the skip/disable input is released, this is for skip

cycle implementation.

4. Guaranteed by design.

http://onsemi.com

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