LTC3626_15 Datasheet, PDF (25/28 Pages) Linear Technology – 20V, 2.5A Synchronous Monolithic Step-Down Regulator with Current and Temperature Monitoring

LTC3626
Typical Applications
12V Input to 5V Output and 500mA Charger for Battery Backup System
V_IN
12V TO 20V
C_IN1
47µF
C_VCC1
2.2µF
R_PG1
100k
PV_IN
SV_IN
BOOST
RUN
LTC3626
INTV_CC
TRACK/SS
SW
TMON
TSET
V_ON
RT
ITH
FB
MODE/SYNC
IMON_IN
IMON_OUT
PGOOD
SGND
PGND
D5
C_IN2
47µF
CHARGE CONTROL
C_VCC2
2.2µF
R_PG2
100k
PV_IN
SV_IN
BOOST
LTC3626
RUN
V_ON
INTVCC
SW
TRACK/SS
TMON
TSET
RT
FB
ITH
MODE/SYNC
IMON_IN IMON_OUT
PGOOD
SGND
PGND
C_BST1
0.1µF
L1
1µH
R_ON 0Ω
C_F1
22pF
5V
R_FB1
110k
C_OUT1
47µF
R_FB3
15k
C_BST2
0.1µF
L2
1µH
R_IOUT
38.3k
C_F2
220pF
R_FB2
1.15M
R_FB4
191k
C_IOUT
1µF
R_D1 R_D2
200Ω 1k
C_OUT2 ⁺
47µF
Li-Ion
BATTERY
4.2V
4.2V
D1
GRN
R1
1k
D3 D2
RED GRN
R3
R2
1k
1k
D4
RED
R4
1k
LTC4415 ₁₄
IN1
EN1
STAT1
WARN1
13
CLIM1
CLIM2
WARN2
STAT2
12
11
OUT1
EN2
IN2
OUT2
GND
C_OUT3
10µF
C_OUT4
10µF
SYSTEM
LOAD
3626 TA05
For more information www.linear.com/LTC3626
3626fa
25