N1153 데이터 시트보기 (PDF) - Unspecified
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N1153 Datasheet PDF : 6 Pages
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NIKO-SEM
5 Bit Programmable Synchronous
DC/DC Controller
PIN CONFIGURATIONS
N1153
PIN DEFINITIONS
Pin # Pin Name
Pin Function Description
1
GND
Small signal analog and digital ground
2
VCC
Input voltage
3
OVP
High signal out if VO>set point +20%
4 PWRGOOD* Open collector logic output, high if VO within 10% of set point
5
CS-
Current sense input (Negative)
6
CS+
Current sense input (Positive)
7
PGNDL Power ground for high side switch
8
DH
High side driver output
9
NC
No connected
10
PGNDL Power ground for high side switch
11
DL
Low side driver output
12
BSTL Supply for low side driver
13
BSTH Supply for high side driver
14 SHUTDOWN Logic low shuts down the converter
15 VOSENSE Top end of internal feedback chain
16
VID4* Programming input (MSB)
17
VID3* Programming input
18
VID2* Programming input
19
VID1* Programming input
20
VID0* Programming input (LSB)
* : All logic level inputs and outputs are open collector TTL compatible.
3
AUG-03-2001
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