SC2621A Semtech Corporation, SC2621A Datasheet - Page 11

• Manufacturer Part Number: SC2621A
• Description: Voltage Mode PWM Controller
• Manufacturer: Semtech Corporation

P P P P P er er er er erf f f f f ormance Charact
POWER MANAGEMENT
Applications Information (Cont.)
1.6
1.6
1.4
1.4
1.2
1.2
1.0
1.0
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0
0.0
90
90
85
85
80
80
75
75
70
70
65
65
60
60
2007 Semtech Corp.
Load Characteristics (Output vs Load Current)
1
1
www.DataSheet4U.com
0
0
ormance Charact
ormance Charact
ormance Charact
ormance Characteristics (12V In
3
3
Efficiency (%) vs Load Current
Gate Waveforms (Io=15A)
5
5
5
5
DL (10V/DIV)
DH (10V/DIV)
PN (10V/DIV)
Load Current(A)
Load Current(A)
Load Current (A)
Load Current (A)
7
7
eristics (12V In
eristics (12V In
eristics (12V Input)
eristics (12V In
10
10
9
9
11
11
15
15
X=50ns/DIV
put)
put)
put)
put)
13
13
20
20
15
15
11
12V Input (5V/DIV)
1.5V Output (1V/DIV)
3.3V Input (2V/DIV)
2.5V Output (2V/DIV)
1.5V Output Response (100mV/DIV)
Step Load Current (10A/DIV)
Output Current (10A/DIV)
Short Circuit Protection
1.5V OUT (1V/DIV)
Transient Response
Start up
Output Short
SC2621A
www.semtech.com
X=5ms/DIV
X=20us/DIV
X=5ms/DIV