IP5560 データシートの表示（PDF） - Semelab - > TT Electronics plc
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IP5560 Datasheet PDF : 7 Pages
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IP5560C
IP5560C
DESCRIPTION
The IP5560 is a control circuit for use in switched mode power supplies. This single monolithic chip incorporates all the
control and supervisory (protection) functions required in switched mode power supplies, including an internal
temperature compensated reference source, internal reference, sawtooth generator, pulse width modulator, output stage
and various protection circuits.
BLOCK DIAGRAM
FEED
EXTERNAL
FORWARD RT CT SYNC INPUT
16
7
8
9
DEMAGNETISATION
OVER-VOLTAGE
PROTECTION
13
REFERENCE
VOLTAGE
0.48V
0.6V
SAWTOOTH
GENERATOR
FEEDBACK 3
VOLTAGE
4
GAIN ADJUST
MODULATOR 5
INPUT
DUTY CYCLE 6
CONTROL
0.6V
VC C
S
LATCH
R
15
Collector
OUTPUTS
14
Emitter
0.6V
1kΩ
100Ω
0.6V
O1
R START
S STOP
CURRENT 11
LIMITING
0.48V
0.6V
STABILISED
SUPPLY
2
Vz
10
REMOTE
ON/OFF
1
16
VC C
GND
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Prelim. 4/95
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