Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

CM3842 Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part No. CM3842
Description  CURRENT MODE PWM CONTROLLER
Download  12 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  ETC [List of Unclassifed Manufacturers]
Homepage  
Logo ETC - List of Unclassifed Manufacturers

CM3842 Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

Back Button CM3842 Datasheet HTML 2Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 3Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 4Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 5Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 6Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 7Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 8Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 9Page - List of Unclassifed Manufacturers CM3842 Datasheet HTML 10Page - List of Unclassifed Manufacturers Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 12 page
background image
CM3842/3843
CURRENT MODE PWM CONTROLLER
2001/06/27
Advanced
Champion Microelectronic Corporation
Page 5
ELECTRICAL CHARACTERISTICS (Continued)
Error Amplifier Section
Input Bias Current
IBIAS
-0.1
-2
µA
Input Voltage
VI(EA)
COMP = 2.5V
2.42
2.50
2.58
V
Open Loop Voltage Gain
GVO
2V
≤ VO ≤ 4V
65
90
dB
Unity Gain Bandwidth (note 8)
UGBW
TJ = 25
OC
0.7
1
MHz
Power Supply Rejection Ratio
PSRR
12V
≤ VCC ≤ 25V
60
70
dB
Output Sink Current
ISINK
VFB = 2.7V, COMP = 1.1V
2
7
mA
Output Source Current
ISOURCE
VFB = 2.3V, COMP = 5.0V
-0.5
-1.0
mA
High Output Voltage
VOH
VFB = 2.3V, RL = 15K
Ω to GND
5
6
V
Low Output Voltage
VOL
VFB = 2.7V, RL = 15K
Ω to VREF
0.7
1.1
V
Output Section
ISINK = 20mA
0.1
0.4
Output Low Level
VOL
ISINK = 200mA
1.4
2.2
V
ISOURCE = 20mA
13
13.5
Output High Level
VOH
ISOURCE = 200mA
12
13.0
V
Rise Time (note 8)
tr
TJ = 25
OC, CL = 1nF
50
150
ns
Fall Time (note 8)
tf
TJ = 25
OC, CL = 1nF
50
150
ns
Under-Voltage Lockout Section
CM3842
14.5
16.0
17.5
Start Threshold
VTH(ST)
CM3843
7.8
8.4
9.0
V
CM3842
8.5
10
11.5
Min. Operating Voltage
CM3843
7.0
7.6
8.2
V
PWM Section
CM3842/43
94
97
100
Maximum Duty Cycle
%
Minimum Duty Cycle
0
%
Total Standby Current
CM3842
0.2
0.35
Startup Current
CM3843
0.5
1.0
mA
Operating Supply Current
ICC
VFB = ISENSE = 0V
14
17
mA
Zener Voltage
VZ
ICC = 25mA
30
35
V
note 7:
Adjust VCC above the start threshold before setting at 15V
note 8:
These parameters, although guaranteed, are not 100% tested in production prior to shipment
note 9:
Parameters are measured at trip point of latch with VFB = 2V
note 10: Gain is measured between ISENSE and COMP with the input changing from 0V to 0.8V


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12 


Datasheet Download

Go To PDF Page

Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
HV9605CHigh Voltage Current Mode PWM Controller 1 2 3 4 5 Supertex, Inc
UC1848Average Current Mode PWM Controller 1 2 3 4 5 MoreTexas Instruments
CS51021Enhanced Current Mode PWM Controller 1 2 3 4 5 MoreCherry Semiconductor Corporation
DBL3842CURRENT MODE PWM CONTROLLER 1 2 3 4 5 MoreDaewoo Semiconductor
SG1844CURRENT MODE PWM CONTROLLER 1 2 3 4 5 MoreMicrosemi Corporation
UC2842ACurrent Mode PWM Controller 1 2 3 4 5 MoreTexas Instruments
ISL8843Industry Standard Single-Ended Current Mode PWM Controller 1 2 3 4 5 MoreIntersil Corporation
TC170CMOS Current Mode PWM Controller 1 2 3 4 5 MoreMicrochip Technology
SG1846CURRENT MODE PWM CONTROLLER 1 2 3 4 5 MoreMicrosemi Corporation
LM5020100V Current Mode PWM Controller 1 2 3 4 5 MoreNational Semiconductor (TI)

Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn