FAN54300 Datasheet, PDF (4/43 Pages) Fairchild Semiconductor – USB-Compliant, Dual-Power Input, Single-Cell, Li-Ion Switching Charger with USB-OTG Boost Regulator

Block Diagrams (Continued)
VIN
C_IN
Q4
CHARGE
PUMP
REG ^PMID1
Q5
PMID2
C_MID2
VREF
C_REF
BOOTV
C_BOOT
10nF
VREF
Q6
SW2
VBUS
C_BUS
Q3
CHARGE
PUMP
VREF
Q1
VREF
Q2
L2
PMID1
C_MID1
BOOTU
SW1
C_BOOT
10nF
L1
1H
GND
C_OUT
R_SENSE
68m
CSIN
VBAT
C_BAT
SYSTEM ^{+ Battery}
LOAD
Figure 3. Power Output
© 2010 Fairchild Semiconductor Corporation
FAN54300 • Rev. 1.0.4
4
www.fairchildsemi.com