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N1164 Datasheet, PDF (3/8 Pages) List of Unclassifed Manufacturers – 5 Bit Programmable Synchronous Buck Converter with Dual LDOs Controller
NIKO-SEM 5 Bit Programmable Synchronous Buck
Converter with Dual LDOs Controller
N1164
PIN CONFIGURATIONS
PIN DEFINITIONS
Pin # Pin Name
Pin Function Description
1
AGND Small signal analog and digital ground
2
GATE1 Gate drive output LDO1
3
LDOS1 Sense input for LDO1
4
LDOS2 Sense input for LDO2
5
VCC
Input voltage
6
OVP
High signal out if VO>set point +20%
7 PWRGOOD* Open collector logic output, high if VO within 10% of set point
8
CS-
Current sense input (Negative)
9
CS+
Current sense input (Positive)
10
PGNDL Power ground for high side switch
11
DH
High side driver output
12
PGNDL Power ground for low side switch
13
DL
Low side driver output
14
BSTL Supply for low side driver
15
BSTH Supply for high side driver
16
EN*
Logic low shuts down the converter; high or open for normal operation.
17 VOSENSE Top end of internal feedback chain
18
VID4* Programming input (MSB)
19
VID3* Programming input
20
VID2* Programming input
21
VID1* Programming input
22
VID0* Programming input (LSB)
23
LDOV +12V for LDO section
24
GATE2 Gate drive output LDO2
* : All logic level inputs and outputs are open collector TTL compatible.
3
AUG-03-2001