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SC1538CS18 数据表(PDF) 3 Page - Semtech Corporation

部件名 SC1538CS18
功能描述  DUAL LINEAR CONTROLLER
PDF  4 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC1538CS18 数据表(HTML) 3 Page - Semtech Corporation

  SC1538CS18 Datasheet HTML 1Page - Semtech Corporation SC1538CS18 Datasheet HTML 2Page - Semtech Corporation SC1538CS18 Datasheet HTML 3Page - Semtech Corporation SC1538CS18 Datasheet HTML 4Page - Semtech Corporation  
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© 1999 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
DUAL LINEAR CONTROLLER
SC1538
PRELIMINARY - October 5, 1999
3
NOTES:
(1) See Application Circuit
(2) Connected to FET drains.
ELECTRICAL CHARACTERISTICS
Unless specified, T
A = 25°C. Values in bold apply over full operating temperature range.
Parameter
Symbol
Test Conditions
MIN
TYP
MAX
Units
VIN
Supply Voltage
VIN
11.28
12.00
12.72
V
Quiescent Current
I
Q
Both EN High
2
3
mA
4
One or both EN Low
1.5
2.0
mA
2.5
Undervoltage Lockout
Start Threshold
UVLO
7
8
9
V
Enable
Enable Pin Current
I
EN
Input = Low
50
100
µA
150
Threshold Voltage
V
TH
V
EN rising
1.6
2.3
V
Hysteresis
V
HYST
100
180
300
mV
Enable Delay Time
(1)
t
D(ON)
EN = Low to High, measured from
EN = V
TH to 10% DRV
500
ns
Disable Delay Time
(1)
t
D(OFF)
EN = High to Low, measured from
EN = V
TH to 90% DRV
150
ns
DRV
Output Current
I
DRV
5
10
mA
Output Voltage
V
DRV
Full On
9.0
10.5
V
Rise Time
(1)
t
r
EN = Low to High, measured from
EN = V
TH to 90% DRV
1.6
ms
Fall Time
(1)
t
f
550
ns
Output Voltage Regulation
Output Voltage
(1)
VO
3.0V
≤ V
FET
(2)
≤ 3.6V, 1mA ≤ I
O ≤ 1A
-1.5%
VO
+1.5%
V
-2.5%
+2.5%
Overcurrent Protection
Trip Threshold
V
OC
-20%
1.00
+15%
V
Power-up Output Short
Circuit Immunity
15
60
ms
Output Short Circuit Glitch
Immunity
0.5
4
6
ms
Control Section
Bandwidth
DRV = 9V, THD = 5%, C
L = 600pF
5
MHz



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