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SC2621A Datasheet(PDF) 13 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) 13 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 (25V In
eristics (25V In
eristics (25V In
eristics (25V In
eristics (25V Input)
put)
put)
put)
put)
Gate Waveforms (Io=10A)
Transient Response
Start up
Efficiency (%) vs Load Current
76
78
80
82
84
86
88
90
92
12
34
5
6
7
8
9
10
Load Current (A)
76
78
80
82
84
86
88
90
92
12
34
5
6
7
8
9
10
Load Current (A)
DH (10V/DIV)
DL (10V/DIV)
PN (10V/DIV)
X=100ns/DIV
DH (10V/DIV)
DL (10V/DIV)
PN (10V/DIV)
X=100ns/DIV
5V Output (2V/DIV)
25V Input (10V/DIV)
3.3V Output (1V/DIV)
X=5ms/DIV
Step Load Current (10A/DIV)
5V Output Response (200mV/DIV)
X=20us/DIV



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