SG3525A SG3527A
ELECTRICAL CHARACTERISTICS (Continued)
Characteristics
SOFT–START SECTION
Soft–Start Current (Vshutdown = 0 V)
Soft–Start Voltage (Vshutdown = 2.0 V)
Shutdown Input Current (Vshutdown = 2.5 V)
OUTPUT DRIVERS (Each Output, VCC = +20 V)
Output Low Level
(Isink = 20 mA)
(Isink = 100 mA)
Output High Level
(Isource = 20 mA)
(Isource = 100 mA)
Under Voltage Lockout (V8 and V9 = High)
Collector Leakage, VC = +35 V (Note 7)
Rise Time (CL = 1.0 nF, TJ = 25°C)
Fall Time (CL = 1.0 nF, TJ = 25°C)
Shutdown Delay (VDS = +3.0 V, CS = 0, TJ = +25°C)
Supply Current (VCC = +35 V)
NOTE: 7. Applies to SG3525A only, due to polarity of output pulses.
Symbol Min
Typ
Max Unit
25
50
80
µA
–
0.4
0.6
V
–
0.4
1.0
mA
VOL
V
–
0.2
0.4
–
1.0
2.0
VOH
V
18
19
–
17
18
–
VUL
6.0
7.0
8.0
V
IC(leak)
–
–
200
µA
tr
–
100
600
ns
tf
–
50
300
ns
tds
–
0.2
0.5
µs
ICC
–
14
20
mA
Lab Test Fixture
Vref
3.0k
PWM
ADJ.
1.0k
1.5k
0.009
Clock
16
0.1
4
Sync
3
RT
6
Deadtime
Ramp
7
100Ω 5
0.1
0.001
Comp
–
V/I Meter
+
10k
9
1 = VIO
2 = 1(+)
0.01
3 = 1(–)
1
1
2
2
1
3
3
2
1
1
2
2
3
3
O
s
c
i
l
l
a
t
o
r
–
E/A
+
Reference Regulator
Flip/
Flop
A
B
PWM
50µA
5.0k
DUT
15
VCC
0.1
13
VC
0.1
Out A
11
1.0k, 1.0W
(2)
14
Out B
12
Gnd
8
Softstart
+
5.0µF
5.0k
10
Vref
2.0k
Shutdown
4
MOTOROLA ANALOG IC DEVICE DATA