EVBUM2528/D
2
NCP51705 Block Diagram
Figure 1. NCP51705 Functional Block Diagram
1
IN+
2
IN
−
4
SGND
OUTSRC
OUTSNK
PGND
VDD
5
VEESET
6
VCH
7
C+
8
C
−
VEE
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
20
5V REG
16 PGND
OUTSNK
OUTSRC
VDD
21
18
17
13
15
14
SVDD
3
XEN
VEE
11
12
9
10
PGND
PGND
22 DESAT/CS
5V_OK
INPUT LOGIC
DESAT /
CURRENT
SENSE
25
m
A