Datasheet

LTC3630A
22
3630afa
For more information www.linear.com/LTC3630A
Typical applicaTions
24.5V to 76V Input to 24V Output with 150mA Input Current Limit Maximum Input and Load Current vs Input Voltage
5V to 76V 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 76V
SS
V
PRG1
V
PRG2
GND
LTC3630A
OUTIN
DIV
V
+
SET
LTC6994-1
GND
R
ISET
60.4k
30.1Ω
3630a 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
3630a TA04b
30
20
10
V
IN
= 12V
20kHz LIMIT
NO LIMIT
V
FB
SW
L1
22µH
V
IN
RUN
C
OUT
22µF
V
OUT
24V
R1
200k
C
IN
2.2µF
V
IN
24.5V TO 76V
FBO
I
SET
SS
V
PRG1
V
PRG2
GND
LTC3630A
R3
806k
R4
7.5k
C
IN
: TDK C3225X7R2A225M
C
OUT
: TAIYO YUDEN EMK316BJ226ML-T
L1:TDK SLF10145T-220M1R9
R2
53.6k
3630a TA05
INPUT VOLTAGE (V)
25
0
MAXIMUM CURRENT (mA)
100
200
300
400
500
30 40 5035 45 55
3630a TA05b
60
75
7065
MAXIMUM LOAD CURRENT
MAXIMUM INPUT CURRENT
INPUT CURRENT LIMIT
V
OUT
2
R4
R3+ R4
MAXIMUM LOAD CURRENT
V
IN
2
R4
R3+ R4