LTC3552-1 Linear Technology, LTC3552-1 Datasheet - Page 19

• Manufacturer Part Number: LTC3552-1
• Description: Standalone Linear Li-Ion Battery Charger and Dual Synchronous Buck Converter
• Manufacturer: Linear Technology

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PACKAGE DESCRIPTIO
TYPICAL APPLICATIO
APPLICATIO S I FOR ATIO
U
V
U
5V
IN
1µF
1.575V/
400mA
V
OUT2
U
W
U
GND
C
10µF
CER
OUT2
Charger Plus Step-Down Converter
16-Lead Plastic DFN (5mm × 3mm)
V
1k
Full-Featured Single-Cell Li-Ion
IN
4.7µH
(Reference LTC DWG # 05-08-1706)
Figure 6. Suggested Layout
U
C
330pF
1k
FF2
VIA TO V
V
CHRG
PWR
EN
SW2
V
V
IN
OUT2
FB2
DHC Package
GND
OUT1
LTC3552-1
ITERM PROG
1k
L1
L2
RUN1
RUN2
V
SW1
OUT1
BAT
V
V
FB1
CC
2k
C
FF2
C
C
S
FF1
2.2µH
10µF
C
330pF
FF1
500mA
C
C
OUT2
OUT1
35521 TA02
V
V
+
OUT1
OUT2
35521 F06
4.2V
1-CELL
Li-Ion BATTERY
C
10µF
CER
V
1.8V/800mA
OUT1
OUT1
LTC3552-1
19
35521f