EEWORLDEEWORLDEEWORLD

Part Number

Search

AMC384XBM

Description
CURRENT MODE PWM CONTROLLER
File Size160KB,10 Pages
ManufacturerETC
Download Datasheet Compare View All

AMC384XBM Overview

CURRENT MODE PWM CONTROLLER

AMC DOC. #: AMC3842B_C (LF)
March 2004
®
AMC3842B/43B
C
URRENT
M
ODE
PWM C
ONTROLLER
FEATURES
A
DD MICROTECH CORP.
DESCRIPTION
The AMC3842B/43B are fixed frequency current-mode
PWM controllers specially designed for OFF-Line switching
power supply and DC-to-DC converters with a minimum
number of external components. These devices feature a
trimmed oscillator for precise duty cycle control, a
temperature compensated reference, high gain error
amplifier, current sensing comparator, and high current
totem pole output which is suitable for driving MOSFETs.
The under voltage lock-out (U.V.L.O.) is designed to
operated with 200µA typ. start-up current, allowing an
efficient bootstrap supply voltage design. The U.V.L.O.
thresholds for the AMC3842B are 16V (on) and 10V (off)
which are ideal for off-line applications. The corresponding
typical threshold for the AMC3843B are 8.4V (on) and 7.6V
(off). The AMC3842B/43B can operated within 100% duty
cycle.
APPLICATIONS
Low Start-Up current ( typ. 200
µA)
Optimized for Off-Line and
DC-to-DC Converters
Maximum Duty Cycle
U.V.L.O. with Hysteresis
Operating Frequency Up to 500KHz
Internal Trimmed Bandgap Reference
High Current Totem Pole Output
Error Amplifier With Low Output
Resistance
Available in 8-Pin Plastic DIP and
Surface Mount 14-Pin S.O.I.C.
Identical pin assignment to earlier
UC384X series.
PACKAGE PIN OUT
COMP
V
FB
I
SENSE
R
T
/C
T
V
REF
V
CC
OUTPUT
GND
Off-line flyback or forward
converters.
DC-to-DC buck or boost
converter.
Monitor Power Supply
AVAILABLE OPTIONS
Device
AMC3842B
AMC3843B
Start-UP
Max. Duty
Hysteresis
Voltage
Cycle
16V
8.4V
6V
0.8V
< 100%
< 100%
COMP
NC
V
FB
NC
I
SENSE
NC
R
T
/C
T
8-Pin Plastic DIP
(Top View)
V
REF
NC
V
CC
V
C
OUTPUT
GND
PWR
R
T
/C
T
COMP
V
FB
I
SENSE
V
REF
V
CC
OUTPUT
GND
14-Pin Plastic S.O.I.C.
Surface Mount
(Top View)
ORDER INFORMATION
8-Pin Plastic S.O.I.C.
Surface Mount
(Top View)
Plastic DIP-8
Plastic SO-14
Plastic SO-8
D
DM
8-pin
14-pin
8-pin
0 to 70
AMC384XBM
AMC384XBD
AMC384XBDM
0 to 70
AMC384XBMF(Lead Free) AMC384XBDF(Lead Free)
AMC384XBDMF(Lead Free)
Note: 1.All surface-mount packages are available in Tape & Reel. Append the letter “T” to part number (i.e.
AMC384XBDT, or AMC384XBDMT).
2.The letter ”F” is marked for Lead Free process.
T
A
(
O
C)
M
Copyright
©
2002, ADD Microtech Corp.
1
www.addmtek.com

AMC384XBM Related Products

AMC384XBM AMC3842B AMC3843B AMC384XBDF AMC384XBD AMC384XBDM AMC384XBDMF AMC384XBMF
Description CURRENT MODE PWM CONTROLLER CURRENT MODE PWM CONTROLLER CURRENT MODE PWM CONTROLLER CURRENT MODE PWM CONTROLLER CURRENT MODE PWM CONTROLLER CURRENT MODE PWM CONTROLLER CURRENT MODE PWM CONTROLLER CURRENT MODE PWM CONTROLLER
Looking to buy idle Freescale smart car s128 minimum system, B-type car model, camera
Is there anyone who is interested in selling these? We need these urgently now to prepare for next year's competition. Thank you. If you have any spare ones and are interested in selling them, please ...
hh376158101 Buy&Sell
About the "CTRL+Z" input problem
How to input "CTRL+Z" when sending data through the serial port? Thank you! It's a bit urgent!!!...
mimosa4188 Embedded System
Summarize the startup file writing
In the document, I compared the two startup files and found a way to write a startup file. I hope it will be helpful to you!...
wulei19880906 Microcontroller MCU
The United States successfully developed a combat robot dog
Core Tip: Recently, the US government released a video about a military robot dog. In the video, the robot dog showed its amazing mobility and adaptability, which caused a sensation on the Internet. T...
gauson Robotics Development
MSP430 Program Library 12864 LCD Program Library
Liquid crystal is one of the most commonly used display devices in single-chip microcomputer systems. This library has been tested on MSP430F169 and MSP1430F149 microcontrollers and can be used with c...
fish001 Microcontroller MCU
What is the reason for the sudden increase in the descent speed of the gantry crane?
The door crane is lifted to a height of 40 meters. When it descends to 15 meters, the descending speed suddenly increases. What is the reason? The speed is adjusted by resistance....
eeleader Industrial Control Electronics

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2775  1076  900  1169  666  56  22  19  24  14 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号