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SGS-THOMSON

TDA4601 Datasheet Preview

TDA4601 Datasheet

SWITCH-MODE POWER SUPPLY CONTROLLER

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TDA4601
SWITCH-MODE POWER SUPPLY CONTROLLER
. LOW START-UP CURRENT
. DIRECT CONTROL OF SWITCHING TRAN-
SISTOR
. COLLECTOR CURRENT PROPORTIONAL
TO BASE-CURRENT INPUT
. REVERSE-GOING LINEAR OVERLOAD
CHARACTERISTIC CURVE
SIP9
(Plastic Package)
ORDER CODE : TDA4601
DESCRIPTION
The TDA4601 is a monolithic integrated circuit
desi-gned to regulate and control the switching
transistor in a switching power supply.
Because of its wide operational range and high
vol-tage stability even at high load changes, this IC
can be used not only in TV receivers and video
recorders but also in power supplies in Hi-Fi sets
and active speakers.
PIN CONNECTIONS
DIP 9+9
(Plastic Package)
ORDER CODE : TDA4601B
SIP9
9 VIN
8 PULSE OUTPUT
7 DC OUTPUT
6 GROUND
5 EXTERNAL FUNCTION
4 IC SIMULATION
3 INPUT CONTROL
2 ZERO CROSSING
1 VREF
DIP 9+9
VREF
ZERO CROSSING
INPUT CONTROL
IC SIMULATION
EXTERNAL FUNCTION
GROUND
DC OUTPUT
PULSE OUTPUT
V IN
1
2
3
4
5
6
7
8
9
18 GROUND
17 GROUND
16 GROUND
15 GROUND
14 GROUND
13 GROUND
12 GROUND
11 GROUND
10 GROUND
September 1993
1/8




SGS-THOMSON

TDA4601 Datasheet Preview

TDA4601 Datasheet

SWITCH-MODE POWER SUPPLY CONTROLLER

No Preview Available !

TDA4601
BLOCK DIAGRAM
9
START-UP
CIRCUIT
CONTROL
AMPLIFIER
STANDBY
OPERATION
VOLTAGE
CONTROL
OVERLOAD
IDENTIFICATION
REFERENCE ZERO PASSAGE
VOLTAGE
IDENTIFICATION
1 23
TRIGGER
START
HOLD
CONTROL
LOGIC
COLLECTOR
CURRENT
SIMULATION
4
78
BASE
CURRENT
AMPLIFIER
COUPLING -C-
CHARGING
CIRCUIT
BASE
CURRENT
SWITCH-OFF
EXTERNAL
BLOCKING
FUNCTION
5
6
10 to 18
ABSOLUTE MAXIMUM RATINGS
Symbol
V9
V1
V2
V3
V4, V5
V7, V8
I2, I3
I4
I5
I7
I8
Toper
Tstg
Tj
Supply Voltage
Reference Output
Identification Input
Controlled Amplifier
Parameter
Operating Ambient Temperature
Storage Temperature
Junction Temperature
THERMAL DATA
Symbol
Rth (j–c)
Rth (j–a)
Parameter
Thermal Resistance Junction-pins
Thermal Resistance Junction–ambient
Max.
Max.
ELECTRICAL CHARACTERISTICS (Tamb = 25oC)
Symbol
Parameter
V9 Operating Supply Voltage Range
START CONDITION (according to test circuit of fig. 1)
Test Conditions
I9 Supply Current (V1 not yet switched on)
V9 Switch Threshold (V1)
V9 = 2 V
V9 = 5 V
V9 = 10 V
Value
20
6
– 0.6, 0.6
3
8
V9
– 3, 3
5
5
1.5
– 1.5
0, 85
– 40, 150
– 40, 125
Unit
V
V
V
V
V
mA
mA
mA
A
A
°C
°C
°C
Value
15
70
Unit
°C/W
°C/W
Min. Typ. Max. Unit
7.8 18 V
0.5 mA
1.5 2.0 mA
2.4 3.2 mA
11 11.8 12.3 V
2/8


Part Number TDA4601
Description SWITCH-MODE POWER SUPPLY CONTROLLER
Maker SGS-THOMSON
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TDA4601 Datasheet PDF





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