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SC196AEVB 数据表(PDF) 13 Page - Semtech Corporation

部件名 SC196AEVB
功能描述  1.5A Synchronous Buck Converter with Integrated Power Devices
PDF  17 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC196AEVB 数据表(HTML) 13 Page - Semtech Corporation

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© 2008 Semtech Corp.
www.semtech.com
SC196A
PRELIMINARY
POWER MANAGEMENT
Typical Characteristics (Cont.)
100% Duty Cycle Mode
PSAVE Operation
PWM Operation
N-Channel R
DSON vs. Input Voltage
Switching Frequency vs. Temperature
PSAVE Start-up
0.10
0.12
0.14
0.16
0.18
0.20
0.22
2.7
3.2
3.7
4.2
4.7
5.2
TA = 85
°C
TA = 25
°C
TA = -40
°C
VIN (V)
950
960
970
980
990
1000
1010
1020
1030
1040
1050
-50
-30
-10
10
30
50
70
90
110
130
VIN = 5.5V
TJ = (
°C)
VIN = 3.6V
VIN = 2.7V
Time (400ns/div)
Condition V
IN=2.6V, VOUT=1.8V, lOUT=1.4A,
SYNC/PWM=1.15MHz ext clock
V
OUT (50mV/div)
I
LOAD (1A/div)
V
LX (2V/div)
Time (1us/div)
Condition V
IN=3.6V, VOUT=1.8V, lOUT=150mA,
SYNC/PWM=GND
V
OUT (20mV/div)
I
L (200mA/div)
V
LX (5V/div)
Time (1us/div)
Condition V
IN=3.6V, VOUT=1.8V, lOUT=150mA,
SYNC/PWM=V
IN
V
OUT (10mV/div)
I
L (200mA/div)
V
LX (5V/div)
EN (2V/div)
V
OUT (1V/div)
l
IN (100mA/div)
Time (200us/div)
Condition V
IN=3.6V, VOUT=1.8V, lOUT=10mA,
SYNC/PWM=GND



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