NN30332A Datasheet, PDF (10/43 Pages) Panasonic Semiconductor – 10 A Synchronous DC-DC Step down Regulator

Doc No. TA4-EA-06197
Revision. 3
FUNCTIONAL BLOCK DIAGRAM
Product Standards
NN30332A
EN
14
SS
18
SS
Soft-Start
0.6 V + 15 %
AVIN
12
Ton / Toff timer
19 PGOOD
V5
15
17
VOUT
BGR ^VREF
Internal circuit
1.2 V / 1.05 V
Divider/Selector
0.6 V – 15 %
UVLO
SCP
OCP
TSD
Fault
16
VFB
Aux ^VREF
Timer
Soft-Start
REF
0.6 V
13
FSEL
AVIN
Ton
Toff
Timer + Comp Timer + Comp
10
LP
Low Power
/ Normal
ON
CMP
Control
Logic
Coast
V5
21 _BST
22,23,24,26 PVIN
HGATE
HPD
HGO
1,2,3,
4,5,6,
27
LX
LGATE
LPD
LGO
7,8,9
PGND
11,20,25
AGND
Note : This block diagram is for explaining functions. Part of the block diagram may be omitted, or it may be simplified.
Established : 2013-07-29
Revised : 2014-02-18
Page 10 of 42