SG3526 Motorola Inc, SG3526 Datasheet - Page 4

• Manufacturer Part Number: SG3526
• Description: PULSE WIDTH MODULATION CONTROL CIRCUIT
• Manufacturer: Motorola Inc

ELECTRICAL CHARACTERISTICS (continued)
PWM COMPARATOR SECTION (Note 7)
DIGITAL PORTS (SYNC, SHUTDOWN, RESET)
CURRENT LIMIT COMPARATOR SECTION (Note 9)
SOFT–START SECTION
OUTPUT DRIVERS (Each Output, V C = +15 Vdc, unless otherwise noted.)
NOTES: 7. f osc = 40 kHz (R T = 4.12 k
Minimum Duty Cycle
Maximum Duty Cycle
Output Voltage
Input Current
Sense Voltage (R S
Input Bias Current
Error Clamp Voltage (Reset = +0.4 V)
C Soft–Start Charging Current (Reset = +2.4 V)
Output High Level
Output Low Level
Collector Leakage, V C = +40 V
Rise Time (C L = 1000 pF)
Fall Time (C L = 1000 pF)
Supply Current
4
(V Compensation = +0.4 V)
(V Compensation = +3.6 V)
(High Logic Level) (I source = 40 A)
(Low Logic Level) (I sink = 3.6 mA)
(High Logic Level) (V IH = +2.4 V)
(Low Logic Level) (V IL = +0.4 V)
I source = 20 mA
I source = 100 mA
I sink = 20 mA
I sink = 100 mA
(Shutdown = +0.4 V, V CC = +35 V, R T = 4.12 k )
8. 0 V
9. 0 V
V CM
V CM
High Logic Level
+5.2 V
+12 V
50 )
Characteristics
1%, C T = 0.01 F
1%, R D = 0 )
SG3526
Symbol
I C(leak)
DC max
V sense
DC min
V OH
V OH
V OL
V OL
I CS
I CC
I IH
I IB
I IL
t r
t f
MOTOROLA ANALOG IC DEVICE DATA
12.5
Min
2.4
45
80
50
12
–
–
–
–
–
–
–
–
–
–
–
–125
–225
–3.0
13.5
Typ
100
100
4.0
0.2
0.1
0.2
1.2
0.3
0.1
49
13
50
18
–
–200
–360
Max
120
–10
150
150
0.4
0.4
0.3
2.0
0.6
0.2
30
0
–
–
–
–
Unit
mA
mA
%
%
V
V
V
V
A
A
A
A
s
s