nx2141 Microsemi Corporation, nx2141 Datasheet - Page 5
![no-image](/images/manufacturer_photos/0/4/446/microsemi_corporation_sml.jpg)
nx2141
Manufacturer Part Number
nx2141
Description
Single Channel Mobile Pwm Controller With Feedforward And Enable
Manufacturer
Microsemi Corporation
Datasheet
1.NX2141.pdf
(21 pages)
- Current page: 5 of 21
- Download datasheet (914Kb)
BLOCK DIAGRAM
Rev. 1.6
05/15/07
COMP
AGND
VCC
FB
EN
VIN
6V/
5.5V
START
Generator
COMP
Digital
start Up
0.3V
Bias
0.8V
DISABLE
START
Figure 2 - Simplified block diagram of the NX2141(MLPQ)
ramp
1.25V
0.8V
OSC
VIN
0.6V
CLAMP
UVLO
1.3V
CLAMP
S
R
Q
POR
OC
DISABLE
START
POR
Hiccup Logic
PWM
OC
OCP
comparator
Control
Logic
SS_half_done
0.85Vref
/0.90Vref
FB
70%*Vp
320mV
FB
NX2141
HDRV
SW
PVCC
LDRV
PGND
BST
PGOOD
5
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