TEA2260 Просмотр технического описания (PDF) - STMicroelectronics

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TEA2260

SWITCH MODE POWER SUPPLY CONTROLLER

STMicroelectronics 

TEA2261/0

Figure 2. Block Diagram

S

VCC

V+

7

16

15

E6

ERROR AMPLIFLIER

-

+

VREF

2.49V

INTERNAL

BIAS

VREF (2.49V)

15.7V

VCC MONITORING

7.4V 10.3V

OVERVOLTAGE

PROTECTION

-1

-

MODULATOR

+

LOGIC

PRIMARY

REGULATION

MODULATORS

PULSES

IS

LOGIC

PULSES

AUTOMATIC

BURST

GENERATION

LOGIC

PROCESSOR

TON(Max.) (60%)

SOFT-START

DEMAGNETIZATION

SENSING

OSCILLATOR

0.15V

REPETITIVE

OVERLOAD

PROTECTION

45µ A

-

SECONDARY 10µ A

PULSE

2.55V

POSITIVE

OUTPUT

STAGE

VCC

NEGATIVE

OUTPUT

STAGE

CURRENT

LIMITATION

-

0.6V 0.9V

+ 1.2A

(Max.)

14 OUT

- 2A

(Max.)

9

11 10

C1

R0 C0

12

IS IN

8

3

4 5 12 13

C2

I MAX

GND

2/11

1

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