nx2119 Microsemi Corporation, nx2119 Datasheet - Page 5
![no-image](/images/manufacturer_photos/0/4/446/microsemi_corporation_sml.jpg)
nx2119
Manufacturer Part Number
nx2119
Description
Synchronous Pwm Controller With Current Limit Protection
Manufacturer
Microsemi Corporation
Datasheet
1.NX2119.pdf
(16 pages)
- Current page: 5 of 16
- Download datasheet (497Kb)
BLOCK DIAGRAM
Rev.3.2
04/10/08
COMP
VCC
GND
FB
START
COMP
0.3V
Generator
Digital
start Up
Bias
0.8V
START
Figure 2 - Simplified block diagram of the NX2119
ramp
1.25V
0.8V
OSC
0.6V
CLAMP
UVLO
1.3V
CLAMP
S
R
0.6V
FB
Q
POR
OC
START
latch out
PWM
Hiccup Logic
OC
Control
Logic
OCP
comparator
NX2119/2119A
VCC
320mV
SW
LDRV
HDRV
BST
5
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