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SC2621A Datasheet(PDF) 11 Page - Semtech Corporation

Part # SC2621A
Description  Voltage Mode PWM Controller With Linear Power Regulator
PDF  14 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2621A Datasheet(HTML) 11 Page - Semtech Corporation

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 2007 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC2621A
Applications Information (Cont.)
P
PP
PPer
er
er
er
erffffformance Charact
ormance Charact
ormance Charact
ormance Charact
ormance Characteristics (12V In
eristics (12V In
eristics (12V In
eristics (12V In
eristics (12V Input)
put)
put)
put)
put)
Load Characteristics (Output vs Load Current)
Gate Waveforms (Io=15A)
Transient Response
Short Circuit Protection
Start up
Efficiency (%) vs Load Current
DH (10V/DIV)
DL (10V/DIV)
PN (10V/DIV)
X=50ns/DIV
60
65
70
75
80
85
90
1
357
9
11
13
15
Load Current (A)
60
65
70
75
80
85
90
1
357
9
11
13
15
Load Current (A)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
5
10
15
20
Load Current(A)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
5
10
15
20
Load Current(A)
1.5V Output (1V/DIV)
12V Input (5V/DIV)
2.5V Output (2V/DIV)
3.3V Input (2V/DIV)
X=5ms/DIV
Step Load Current (10A/DIV)
1.5V Output Response (100mV/DIV)
X=20us/DIV
1.5V OUT (1V/DIV)
Output Current (10A/DIV)
Output Short
X=5ms/DIV



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