LTC3335_15 Datasheet, PDF (13/28 Pages) Linear Technology – Nanopower Buck-Boost DC/DC with Integrated Coulomb Counter

Block Diagram
PBAT
8
BAT
7
BANDGAP
REFERENCE
GNDA
V_REF
V_{REF_PG}
9 10
SW1
SW2
A
D
B
C
PGND
IPK[2]
15
IPK[1]
3
14
IPK[0]
13
GNDA
I_ZERO
I_PEAK
BUCK-BOOST
CONTROL
I_{PEAK_SET}
SLEEP
EN
16
DV_CC
2
SCL
20
SDA
1
I²C
GNDD
I_PEAK
AC(ON)
COULOMB
COUNTER
LTC3335
PV_OUT
11
V_OUT
12
V_REF
3
+
V_{REF_PG}
–
GNDA
OUT[2]
3
OUT[1]
4
OUT[0]
5
PGOOD
18
IRQ
19
GNDA
17
GNDD
6
PGND (EXPOSED PAD)
21
3335 BD
LINEAR_FoT_{r m}E_oC_{re i}H_nfoN_rmO_atiL_onO_wwG_wY_.lineC_ar.cO_omN_/LTF_C3I₃D₃₅ENTIAL
3335p
13