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TDA8380A

Control circuit for switched mode power supplies

Philips Electronics 

Philips Semiconductors

Control circuit for switched mode power supplies

Product specification

TDA8380A

PARAMETER

CONDITIONS

Synchronization

Minimum synchronization

pulse width

Switching threshold

Input current

Disabling threshold

Input voltage

Demagnetization input

Switching voltage level

Switching current level

Current range of clamp

circuits

Clamp level positive

Clamp level negative

Temperature coefficient

at −700 µA

at 10 mA

at −10 mA

Current protection

Input current

First threshold

Second threshold

Delay to switch output via

level 1

Delay to switch output via

level 2

First threshold including

R13 (12 kΩ)

Threshold for open pin

detection

note 1

pulse at pin 13

from 300 mV to

100 mV;

IO = 500 mA

pulse at pin 13

from 300 mV to

−200 mV;

IO = 500 mA

R6 = 5 kΩ

Note to the characteristics

1. Over the current range of I6; 200 to 800 µA.

SYMBOL

t11

V11

I11

V11

V11

V3

I3

I3

V3

V3

TC

I13

V13

V13

−

−

−

V13

MIN.

TYP.

MAX. UNIT

−

−

0.5

µs

0.7

0.85

0.9

V

2.5

5.0

7.5

µA

4.2

5.6

6.0

V

390

−

550

mV

615

645

675

mV

−23

−

−39

µA

−10

−

+ 10

mA

−

950

−

mV

−

−800

−

mV

−

−1.9

−

mV/K

I6/5.7 I6/6

190

200

−10

0

I6/6.3 mA

210

mV

10

mV

−

350

−

ns

−

300

500

ns

−

−800

−

mV

−

3.5

−

V

November 1993

16

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