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參數(shù)資料
| 型號： | SG3526N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PULSE WIDTH MODULATION CONTROL CIRCUIT |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDIP18 |
| 封裝： | PLASTIC, DIP-18 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大小： | 172K |
| 代理商： | SG3526N |
SG3526
4
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (continued)
Characteristics
Symbol
Min
Typ
Max
Unit
PWM COMPARATOR SECTION
(Note 7)
Minimum Duty Cycle
(VCompensation = +0.4 V)
DCmin
–
–
0
%
Maximum Duty Cycle
(VCompensation = +3.6 V)
DCmax
45
49
–
%
DIGITAL PORTS (SYNC, SHUTDOWN, RESET)
Output Voltage
(High Logic Level) (Isource = 40
μ
A)
(Low Logic Level) (Isink = 3.6 mA)
Input Current
High Logic Level
(High Logic Level) (VIH = +2.4 V)
(Low Logic Level) (VIL = +0.4 V)
VOH
VOL
2.4
–
4.0
0.2
–
0.4
V
IIH
IIL
–
–
–125
–225
–200
–360
μ
A
CURRENT LIMIT COMPARATOR SECTION
(Note 9)
Sense Voltage (RS
≤
50
)
Input Bias Current
Vsense
IIB
80
100
120
mA
–3.0
–10
μ
A
SOFT–START SECTION
Error Clamp Voltage (Reset = +0.4 V)
–
0.1
0.4
V
CSoft–Start Charging Current (Reset = +2.4 V)
ICS
50
100
150
μ
A
OUTPUT DRIVERS
(Each Output, VC = +15 Vdc, unless otherwise noted.)
Output High Level
Isource = 20 mA
Isource = 100 mA
VOH
12.5
12
13.5
13
–
–
V
Output Low Level
Isink = 20 mA
Isink = 100 mA
VOL
–
–
0.2
1.2
0.3
2.0
V
Collector Leakage, VC = +40 V
Rise Time (CL = 1000 pF)
Fall Time (CL = 1000 pF)
Supply Current
(Shutdown = +0.4 V, VCC = +35 V, RT = 4.12 k
)
IC(leak)
tr
tf
ICC
–
50
150
μ
A
–
0.3
0.6
μ
s
–
0.1
0.2
μ
s
–
18
30
mA
NOTES:
7.fosc = 40 kHz (RT = 4.12 k
±
1%, CT = 0.01
μ
F
±
1%, RD = 0
)
8.0 V
≤
VCM
≤
+5.2 V
9.0 V
≤
VCM
≤
+12 V
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