Datasheet

LTC3630
22
3630fc
TYPICAL APPLICATIONS
12V to 65V Input to 12V Output with 100mA Input Current Limit Maximum Input and Load Current vs Input Voltage
5V to 65V Input to 5V Output,150mA Regulator
with 20kHz Minimum Burst Frequency Burst Frequency vs Load Current
V
FB
SW
L1
33µH
V
IN
RUN
I
SET
FBO
C
IN
2.2µF
C
OUT
10µF
V
OUT
5V
150mA
V
IN
5V TO 65V
SS
V
PRG1
V
PRG2
GND
LTC3630
OUTIN
DIV
V
+
SET
LTC6994-1
GND
R
ISET
60.4k
30.1Ω
3630 TA04
976k
100k
196k
C
IN
: TDK C3225X7R2AA225M
C
OUT
: AVX 12063D106KAT
L1: COOPER BUSSMAN SD25-330
LOAD CURRENT (mA)
0
0
BURST FREQUENCY (kHz)
40
50
60
1 10 100
3630 TA04b
30
20
10
V
IN
= 3.3V
20kHz LIMIT
NO LIMIT
V
FB
SW
L1
22µH
V
IN
RUN
C
OUT
22µF
V
OUT
12V
R1
200k
C
IN
2.2µF
V
IN
12V TO 65V
FBO
I
SET
SS
V
PRG1
V
PRG2
GND
LTC3630
R3
806k
R4
10k
C
IN
: TDK C3225X7R2A225M
C
OUT
: TAIYO YUDEN EMK316BJ226ML-T
L1:TDK SLF7045470MR75
R2
14.3k
3630 TA05
INPUT VOLTAGE (V)
10
0
MAXIMUM CURRENT (mA)
100
200
300
400
500
20
30 40 5015
25
35 45 55
3630 TA05b
60 65
MAXIMUM LOAD CURRENT
MAXIMUM INPUT CURRENT
INPUT CURRENT LIMIT ≈
V
OUT
2
•
R4
R3+R4
MAXIMUM LOAD CURRENT ≈
V
IN
2
•
R4
R3+R4