NCP1207APG(2006) 查看數據表（PDF） - ON Semiconductor

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NCP1207APG
(Rev.:2006)

PWM Current−Mode Controller for Free Running Quasi−Resonant Operation

ON Semiconductor 

NCP1207A

HV

7.0

mA

VCC

PON

+−

+

12 V, 10 V,

5.3 V (fault)

VUVLO

4.5 ms

Delay

+

−

+

OVP

Demag

+

5.0 V

/1.44

−+

8.0 ms

Blanking

SQ

S*

R* R Q

−

+

+

50 mV

Resd

Rint

10 V

Driver: src = 20

VCC sink = 10

Demag

Drv

4.2 V

GND

To Internal

Supply

Fault

Mngt.

Overload?

Soft−Start = 1 ms

+

/3

FB

−

1.0 V 200 mA

when Drv

is OFF

*S and R are level triggered whereas S is edge

triggered. R has priority over the other inputs.

5.0 ms

Timeout

Timeout

Reset

380 ns

L.E.B.

CS

Demag

Figure 2. Internal Circuit Architecture

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ MAXIMUM RATINGS

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Rating

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Power Supply Voltage, VCC Pin, Continuous Voltage

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Transient Power Supply Voltage, Duration < 10 ms, IVCC < 20 mA

Symbol

VCC Static

VCC Pulse

Value

18

25

Units

V

V

Maximum Voltage on all other pins except Pin 8 (HV), Pin 6 (VCC) Pin 5 (Drv) and Pin 1 (Demag)

−

−0.3 to 10

V

Maximum Current into all pins except VCC (6), HV (8) and Demag (1) when 10 V ESD diodes are

−

activated

5.0

mA

Maximum Current in Pin 1

Idem

+3.0/−2.0

mA

Thermal Resistance, Junction−to−Case

RqJC

57

°C/W

Thermal Resistance, Junction−to−Air, SOIC version

RqJA

178

°C/W

Thermal Resistance, Junction−to−Air, DIP8 version

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Operating Junction Temperature

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Maximum Junction Temperature

RqJA

TJ

TJMAX

100

−40 to +125

150

°C/W

°C

°C

Temperature Shutdown

−

155

°C

Hysteresis in Shutdown

−

30

°C

Storage Temperature Range

−

−60 to +150 °C

ESD Capability, HBM Model (All pins except HV)

−

2.0

kV

ESD Capability, Machine Model

−

200

V

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