SC2542EVB SEMTECH [Semtech Corporation], SC2542EVB Datasheet - Page 24
![no-image](/images/no-image-200.jpg)
SC2542EVB
Manufacturer Part Number
SC2542EVB
Description
High Performance Wide Input Range Dual Synchronous Buck Controller
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SC2542EVB.pdf
(27 pages)
- Current page: 24 of 27
- Download datasheet (2Mb)
Over current protection (5A/10mV)
Efficiency curve for Vout = 3.3V
Efficiency curve for SPWM Mode vs. SKIP Mode
© 2005 Semtech Corp.
POWER MANAGEMENT
Typical Characteristics (Cont.)
100%
100.00%
80.00%
60.00%
40.00%
20.00%
80%
60%
40%
20%
0.00%
0%
10
0
1
2
100
3
Io(m A)
V in= 8V
4
Io( A )
5
1000
6
V in= 16V
7
10000
8
CH1: TG
CH2: BG
CH3: IL
CH4: Vo
9
skip m ode
Synchroniz e
10
24
Operating frequency vs. Rosc
RILIM vs. OCP (Vin = 12V)
3 50
3 00
2 50
2 00
1 50
1 00
9
8
7
6
5
4
50
4.5
5 .0
5 .5
6 .0
6 .5
RI L IM (K O H M)
Ro s c( K OHM)
7 .0
7 .5
8 .0
www.semtech.com
SC2542
8 .5
9.0
9 .5
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