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Электронный компонент: IP5560J

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IP5560
C
IP5560C
Prelim. 4/95
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
SWITCHEDMODE
POWER SUPPLY
CONTROL CIRCUIT
FEATURES
STABILISED POWER SUPPLY
TEMPERATURE COMPENSATED REFERENCE
SOURCE
SAWTOOTH GENERATOR
PULSE WIDTH MODULATOR
REMOTE ON/OFF SWITCHING
CURRENT LIMITING
LOW SUPPLY VOLTAGE PROTECTION
LOOP FAULT PROTECTION
DEMAGNETISATION/OVERVOLTAGE PROTECTION
MAXIMUM DUTY CYCLE CLAMP
FEED FORWARD CONTROL
EXTERNAL SYNCHRONISATION
SUPPLY
Voltage Sourced
Current Sourced
OUTPUT TRANSISTOR
Output Current
Collector Voltage
(Pin 15)
Maximum Emitter Voltage
(Pin 14)
T
J
Operating Junction Temperature
T
STG
Storage Temperature Range
18V
30mA
40mA
18V
5V
See Ordering Information
65 to +150C
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25C unless otherwise stated)
TOP VIEW
J Package 16 Pin Ceramic DIP
N Package 16 Pin Plastic DIP
D Package 16 Pin Plastic (150) SOIC
8
1
2
3
4
5
6
7
14
13
12
11
10
9
15
16
GND
CC
V
Z
V
FEEDBACK
GAIN
MODULATOR
DUTY CYCLE
CONTROL
C
T
R
T
CURRENT LIMITING
REMOTE ON/OFF
EXTERNAL SYNC
OUTPUT (EMITTER)
DEMAGNETISATION /
OVERVOLTAGE
FEED FORWARD
OUTPUT (COLLECTOR)
Part JPack
NPack
D16
Temp.
Number
16 Pin
16 Pin
16 Pin
Range
IP5560
-55 to +125C
IP5560C
0 to +70C
Order Information
Note:
To order, add the package identifier to the part number.
eg.
IP5560J
IP5560CD16
IP5560
C
IP5560C
Prelim. 4/95
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
REFERENCE
VOLTAGE
STABILISED
SUPPLY
100
0.48V
4
3
5
SAWTOOTH
GENERATOR
0.6V
6
0.6V
1k
0.6V
R
S
START
STOP
O1
0.48V
0.6V
LATCH
0.6V
S
R
15
14
FEEDBACK
VOLTAGE
GAIN ADJUST
MODULATOR
INPUT
DUTY CYCLE
CONTROL
CURRENT
LIMITING
11
10
REMOTE
ON/OFF
1
16
GND
C C
V
2
z
V
Emitter
Collector
OUTPUTS
FEED
FORWARD
T
R
T
C
EXTERNAL
SYNC INPUT
DEMAGNETISATION
OVER-VOLTAGE
PROTECTION
13
9
8
7
16
C C
V
BLOCK DIAGRAM
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.
IP5560
C
IP5560C
Prelim. 4/95
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Internal Reference Voltage (V
REF
)
Temperature Coefficient of V
REF
Internal Reference (V
Z
)
Temperature Coefficient of V
Z
Frequency Range
Initial Accuracy Oscillator
Duty Cycle Range
Modulator Input Current
Pin 6 Input Current
Pin 6 Duty Cycle Limit Control
(for 50% Max. Duty Cycle)
Pin 1 Low Supply Voltage
Protection Thresholds
Pin 3 Feedback Loop Protection
Trip Thresholds
Pin 3 Pull Up Current
Pin 13 Demagnetisation / Over-
Voltage Protection Threshold
Pin 13 Input Current
Pin 16 Feed Forward Duty Cycle
Control
Pin 16 Feed Forward Input
Current
T
J
= Over Temp. Range
I
L
= 7mA
T
J
= Over Temp. Range
R = 5k
f
O
= 20kHz
Voltage at Pin 5 = 2V
T
J
= Over Temp. Range
At 2V
T
J
= Over Temp. Range
f = 15kHz to 50kHz
V
pin6
= 0.4V
Z
At 2V
At 0.25V
T
J
= Over Temp. Range
Voltage at Pin 16 = 2V
Z
At 16V
V
CC
= 18V
3.69
3.72
3.81
3.65
3.85
100
7.8
8.4
8.8
200
50
100k
5
090
098
0.2
20
0.2
20
40
50
60
8
9
10.5
400
600
720
7
15
35
470
600
720
0.6
10
20
30
40
50
0.2
5
V
ppm/C
V
ppm/C
Hz
%
mA
A
% Duty
Cycle
V
mV
A
mV
A
% Orig.
Duty
Cycle
A
3.57
3.72
3.95
3.53
4.00
100
7.8
8.4
8.8
200
50
100k
5
090
098
0.2
20
0.2
20
40
50
60
8
9
10.5
400
600
720
7
15
35
470
600
720
0.6
10
20
30
40
50
0.2
5
IP5560
IP5560C
Parameter
Test Conditions
Min.
Typ.
Max.
Min.
Typ.
Max.
Units
ELECTRICAL CHARACTERISTICS
(T
J
= 25C unless otherwise stated)
MODULATOR
SUPERVISORY FUNCTIONS
REFERENCE SECTIONS
OSCILLATOR SECTION
NOTES
1) Test Conditions: V
CC
= 12V , T
J
= 25C unless otherwise stated
2) Tests marked T
J
= Over Temp. Range apply over the full temperature range
ie.
T
J
= -55 to +125C for IP5560
T
J
= 0 to +70C for IP5560C
IP5560
C
IP5560C
Prelim. 4/95
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
IP5560
IP5560C
Parameter
Test Conditions
Min.
Typ.
Max.
Min.
Typ.
Max.
Units
0
0.8
2
V
Z
-85
-125
0
0.8
2
V
Z
-85
-125
-2
-10
0.7
0.8
560
600
700
400
480
500
6.2
9.5
0.7
54
60
10
3
0.5
40
5
10
15
20
24
20
30
0
0.8
2
V
Z
-85
-125
0
0.8
2
V
Z
-85
-125
-2
-10
0.7
0.8
560
600
700
400
480
500
6.2
9.5
0.7
54
60
10
3
0.5
40
5
10
15
19
24
20
30
V
A
V
A
A
s
mV
V
dB
k
MHz
V
mA
V
mA
V
Pin 9 Off
Pin 9 On
Pin 9 Sink Current
Pin 10 Off
Pin 10 On
Pin 10 Sink Current
Pin 11 I
IN
Single Pulse Inhibit Delay
Trip Levels: Shut Down, Slow Start
Trip Levels: Current Limit
Output Voltage Swing (V
OH
)
Output Voltage Swing (V
OL
)
Open Loop Gain
Feedback Resistor
Small Signal Bandwidth
V
CE(sat)
Output Current
Max. Emitter Voltage
Supply Current (I
CC
)
Supply Voltage (V
CC
)
Voltage at Pin 9 = 0V
T
J
= Over Temp. Range
Voltage at Pin 9 = 0V
T
J
= Over Temp. Range
Voltage at Pin 11 = 250mV
Inhibit Delay Time for 20%
Overdrive at 30mA I
OUT
I
C
= 40mA
(Pin 15)
(Pin 14)
I
Z
= 0 , Voltage Fed , V
PIN6
= 0.5V
R
PIN7
= 25k
T
J
= Over Temp. Range
I
CC
= 10mA , Current Feed
I
CC
= 30mA , Current Feed
ELECTRICAL CHARACTERISTICS
(T
J
= 25C unless otherwise stated)
CURRENT LIMITING
ERROR AMPLIFIER
OUTPUT STAGE
SUPPLY VOLTAGE/CURRENT
EXTERNAL SYNCHRONISATION
REMOTE ON/OFF
NOTES
1) Test Conditions: V
CC
= 12V , T
J
= 25C unless otherwise stated
2) Tests marked T
J
= Over Temp. Range apply over the full temperature range
ie.
T
J
= -55 to +125C for IP5560
T
J
= 0 to +70C for IP5560C
IP5560
C
IP5560C
Prelim. 4/95
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
FREQUENCY (Hz)
-180
-150
-120
-90
-60
-30
0
1k
10k
100k
1M
10M
P
H
ASE
AN
G
L
E (

)
FREQUENCY (Hz)
1k
10k
100k
1M
10M
0
10
20
30
40
50
60
G
A
IN
(
d
B
)
TYPICAL PERFORMANCE CHARACTERISTICS -- ERROR AMPLIFIER
Open Loop Phase
Open Loop Gain
D
U
T
Y
CY
CL
E

(
%
)
INPUT VOLTAGE (V)
0
10
20
30
40
50
60
70
80
90
100
0
1
2
3
4
5
6
V
Pins 4,5
or 6
ERROR AMP CLOSED LOOP GAIN
1
7
0
10
20
30
40
50
60
70
80
90
0.1
R
1
R
S
= 20
R
S
= 100
R
1
R
S
= 500
R
1
R
E
G
U
L
A
T
ION
(
%
)
V
RE
F
V
O
(3.72V)
4
R
1
V
REF
R
S
V
O
Transfer Curve of Pulse Width Modulator Duty
Cycle vs Input Voltage
Regulation vs Error Amp
Closed Loop Gain