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参数资料
| 型号： | UC3844NG |
| 厂商： | ON Semiconductor |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR PWM CM 8-DIP |
| 产品变化通告： | Product Discontinuation 15/May/2006 |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 60kHz |
| 占空比： | 50% |
| 电源电压： | 10 V ~ 30 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 是 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 其它名称： | UC3844NGOS |
UC3844, UC3845, UC2844, UC2845
PACKAGE DIMENSIONS
SOIC ? 8
D1 SUFFIX
CASE 751 ? 07
ISSUE AG
? Y ?
B
? X ?
8
1
G
A
5
4
S
0.25 (0.010)
M
Y
M
K
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
6. 751 ? 01 THRU 751 ? 06 ARE OBSOLETE. NEW
STANDARD IS 751 ? 07.
? Z ?
H
D
0.25 (0.010)
M
Z Y
C
S
X
SEATING
PLANE
0.10 (0.004)
S
N
X 45 _
M
J
DIM
A
B
C
D
G
H
J
K
M
N
S
MILLIMETERS
MIN MAX
4.80 5.00
3.80 4.00
1.35 1.75
0.33 0.51
1.27 BSC
0.10 0.25
0.19 0.25
0.40 1.27
0 _ 8 _
0.25 0.50
5.80 6.20
INCHES
MIN MAX
0.189 0.197
0.150 0.157
0.053 0.069
0.013 0.020
0.050 BSC
0.004 0.010
0.007 0.010
0.016 0.050
0 _ 8 _
0.010 0.020
0.228 0.244
SOLDERING FOOTPRINT*
1.52
0.060
7.0
0.275
0.6
0.024
4.0
0.155
1.270
0.050
SCALE 6:1
mm
inches
*For additional information on our Pb ? Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SENSEFET is a trademark of Semiconductor Components Industries, LLC.
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT :
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 Toll Free USA/Canada
Fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 Toll Free USA/Canada
Email : orderlit@onsemi.com
N. American Technical Support : 800 ? 282 ? 9855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81 ? 3 ? 5773 ? 3850
http://onsemi.com
16
ON Semiconductor Website : www.onsemi.com
Order Literature : http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative
UC3844/D
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| UC3844NG4 | 功能描述:电流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| UC3844P | 制造商:Texas Instruments 功能描述: |
| UC3844Q | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Current-Mode SMPS Controller |
| UC3844QTR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Current-Mode SMPS Controller |
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