NCP1396B 查看數據表（PDF） - ON Semiconductor

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NCP1396B

High Performance Resonant Mode Controller featuring High--Voltage Drivers

ON Semiconductor 

NCP1396A, NCP1396B

Vdd

Imin

Vfb  Vfb_off

Vref

Rt

C

IDT

I = Imax for Vfb = 5.3 V

I = 0 for Vfb < Vfb_min

Vdd

+

--

+

DT Adj.

Fmax

Timer

Imax

Vfb = 5

Vdd

Vref

Itimer

If FAULT Itimer else 0

+

--

+

Vref

SS

Timeout

Fault

S

D

Q

Clk Q

R

50% DC

Temperature

Shutdown

Vref

FF

PON

Reset

Fault

Timeout

Fault

BO

Reset

Fast

Fault

Level

Shifter

Vdd

ISS

SS

PON

Reset

Fault

Fault

VBOOT

Mupper

UVLO

HB

NC

VCC

FB

RFB

+

--

+

Vfb_fault

IDT

DT

Vdd

IBO

BO

Slow

Fault

+

--

+

VBO

+

-

+

Vref Fault

+

G-- = 1

> 0 only

Vdd

V = V(FB) -- Vfb_min

+

Vfb_min

Vref

20 ms Noise

Filter

Deadtime

Adjustment

+

--

+

Vlatch

20 ms Noise

Filter

Mlower

--

+

+

Vref Fault

GND

Fast

Fault

20 ns Noise

Filter

QQ

S

R

PON Reset

Figure 2. Internal Circuit Architecture

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