 English |
|
|
|
|
|
|
|
| LTC3630A Datasheet, PDF (20/24 Pages) Linear Technology – High Efficiency, 76V 500mA Synchronous Step-Down Converter | |||
| |||
| ◁ |
LTC3630A
Typical Applications
4V to 24V Input to 3.3V Output,
250mA Regulator with External Soft-Start, Small Size
VIN
4V TO 24V
CIN
2.2µF
VIN
SW
LTC3630A
RUN
VFB
ISET
SS
FBO VPRG2
VPRG1
GND
L1
10µH
COUT
10µF
VOUT
3.3V
250mA
CSS
100nF
RISET
100k
3630a TA02a
CIN: MURATA GRM42-2X7R225K25D500
COUT: KEMET C1206C206K9PAC
L1: VISHAY IHLP2020BZ-100M-11
Efficiency and Power Loss vs Load Current
100
VIN = 12V
90
80
EFFICIENCY
1000
70
60
100
50
40
10
30
POWER LOSS
20
1
10
0
0.1
1
0.1
10
100
LOAD CURRENT (mA)
3630a TA02b
4V to 63V Input to â12V Output, Positive-to-Negative Converter
VIN
4V TO 63V
CIN
4.7µF
VIN
SW
LTC3630A
RUN VFB
ISET
SS
FBO VPRG1
VPRG2
GND
L1
22µH
R1
200k
R2
147k
CIN: KEMET C1210C475K5RAC
COUT: TDK C4532X7R1C226M
L1: WÃRTH 744-711-422-0
COUT
22µF
VOUT
3630a TA03a â12V
Maximum Load Current vs Input Voltage
500
VOUT = â12V
400
300
200
100
0
5 10 15 20 25 30 35 40 45 50 55 60
INPUT VOLTAGE (V)
3630a TA03b
3630af
20
For more information www.linear.com/LTC3630A
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese