EVBUM2528/D
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2
NCP51705 Block Diagram
Figure 1. NCP51705 Functional Block Diagram
1
IN+
2
IN-
4
SGND
OUTSRC
OUTSNK
PGND
VDD
5
VE
ES
E
T
6
VC
H
7
C+
8
C-
VE
E
24
UVSET
23
V5V
UVLO
PROTECTION
LOGIC
TSD
CHARGE
PUMP REG
CHARGE PUMP
POWER STAGE
19
DRIVER
LOGIC
&
LEVEL
SHIFT
VDD_OK
VEE_OK
CPCLK
RUN
NCP51705
20
5V REG
16
PGND
OUTSNK
OUTSRC
VDD
21
18
17
13
15
14
SVDD
3
XEN
VE
E
11
12
9
10
PG
N
D
PG
N
D
22
DESAT
/CS
5V_OK
25
m
A
INPUT LOGIC
DESAT /
CURRENT
SENSE
