參數(shù)資料
型號(hào): SG3525ANG
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: Pulse Width Modulator Control Circuit
中文描述: 0.5 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDIP16
封裝: LEAD FREE, PLASTIC, DIP-16
文件頁(yè)數(shù): 5/10頁(yè)
文件大?。?/td> 155K
代理商: SG3525ANG
SG3525A
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS
(continued)
Characteristics
Symbol
Min
Typ
Max
Unit
SOFTSTART SECTION
SoftStart Current (V
shutdown
= 0 V)
25
50
80
A
SoftStart Voltage (V
shutdown
= 2.0 V)
0.4
0.6
V
Shutdown Input Current (V
shutdown
= 2.5 V)
0.4
1.0
mA
OUTPUT DRIVERS
(Each Output, V
CC
= +20 V)
Output Low Level
(I
sink
= 20 mA)
(I
sink
= 100 mA)
V
OL
0.2
1.0
0.4
2.0
V
Output High Level
(I
source
= 20 mA)
(I
source
= 100 mA)
V
OH
18
17
19
18
V
Under Voltage Lockout (V8 and V9 = High)
V
UL
6.0
7.0
8.0
V
Collector Leakage, V
C
= +35 V (Note 6)
I
C(leak)
200
A
Rise Time (C
L
= 1.0 nF, T
J
= 25
°
C)
t
r
100
600
ns
Fall Time (C
L
= 1.0 nF, T
J
= 25
°
C)
t
f
50
300
ns
Shutdown Delay (V
DS
= +3.0 V, C
S
= 0, T
J
= +25
°
C)
t
ds
0.2
0.5
s
Supply Current (V
CC
= +35 V)
6. Applies to SG3525A only, due to polarity of output pulses.
I
CC
14
20
mA
Reference Regulator
Flip/
Flop
PWM
+
E/A
DUT
V
ref
Clock
16
4
0.1
3
6
7
5
Deadtime
100
0.001
Comp
10k
9
0.01
1
2
1
2
3
1
2
3
3
2
1
3
+
1 = V
IO
2 = 1(+)
3 = 1()
0.1
0.009
1.5k
1.0k
3.0k
PWM
ADJ.
Sync
RT
Ramp
50 A
5.0k
5.0k
15
13
11
V
C
Out A
0.1
0.1
1.0k, 1.0W
(2)
14
Out B
GND
12
8
Softstart
5.0 F
10
2.0k
Shutdown
V
ref
+
O
s
c
i
l
l
a
t
o
r
V/I Meter
V
CC
A
1
2
B
Figure 2. Lab Test Fixture
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