Linear Technology LTC3350, Руководство пользователя

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LTC3350
13
3350fc
For more information www.linear.com/LTC3350
block DiagraM
+ –
+ – +
–
30mV
30mV
INTV
CC
V
REF
vcapfb_dac[3:0]
Vcapfb_dac
Vcapfb_dac
V
IN
CAPFB
OUTFB
VC
RT
INTV
CC
INFET VOUTSP VOUTM5 VOUTSN
+
–
x37.5
+
–
x37.5
I
IN
I
CHG
5V LDO
–5V LDO
D/A
A/D
V
REF
INTV
CC
INTV
CC
+
–
V
REF
+
–
V
REF
V
OUTSP
I
REF
+
–
+
–
OUTFET CFM
VCAPP5
CFP
VCAP
ICAP
BST
TGATE
SW
+–
CHARGE
PUMP
DRV
CC
BGATE
CAP4
BIDIRECTIONAL
SWITCHING
CONTROLLER
LOGIC
VCC2P5
I
IN
ICHG
VCAP
V
OUT
V
IN
CAP4
CAP3
CAP2
CAP1
CAPRTN
DTEMP
CAPGD
PFI
GPI
SGND
BANDGAP
V
REF
OSC
2.5V LDO
SHUNT
CONTROLLER
CAP3
BALANCER
SHUNT
CONTROLLER
CAP2
BALANCER
SHUNT
CONTROLLER
CAP1
BALANCER
SHUNT
CONTROLLER
CAPRTN
ITST
BALANCER
PFO
+
–
V
REF
3350 BD
GPIBUF
+
–
V
REF
CAPFB
MUL
TIPLEXER
+
–
CAP_SLCT0
CAP_SLCT1
SMBALERT
SDA
SCL
+
–
34 33 31 32 30 20 17 18
19
21
22
26
25
24
28
27
16
15
14
13
12
11
10
8
PGND
39
1
2
3
36
35
38
37
4
23
29
9
5
7
6