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參數(shù)資料
| 型號： | PUCC3801 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Current-mode PWM controller |
| 中文描述： | 電流模式PWM控制器 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大小： | 308K |
| 代理商： | PUCC3801 |
Koninklijke Philips Electronics N.V. 2001.
Printed in The Netherlands
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner.
The information presented in this document does not form part of any quotation or
contract, is believed to be accurate and reliable and may be changed without notice. No
liability will be accepted by the publisher for any consequence of its use. Publication
thereof does not convey nor imply any license under patent- or other industrial or
intellectual property rights.
Date of release: 10 September 2001
Document order number: 9397 750 08419
Contents
Philips Semiconductors
PUCC3801
Current-mode PWM controller
1
2
3
4
5
6
6.1
6.2
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
7.1.7
7.2
7.2.1
7.2.2
8
9
10
10.1
10.2
11
12
13
14
15
16
General description
. . . . . . . . . . . . . . . . . . . . . . 1
Features
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information
. . . . . . . . . . . . . . . . . . . . . 1
Block diagram
. . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information
. . . . . . . . . . . . . . . . . . . . . . 3
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Functional description
. . . . . . . . . . . . . . . . . . . 3
Pin functions. . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Compensation pin (COMP). . . . . . . . . . . . . . . . 3
Feedback pin (FB) . . . . . . . . . . . . . . . . . . . . . . 3
Current sense input pin (CSNS). . . . . . . . . . . . 4
Common circuit ground pin (GND) . . . . . . . . . . 4
Gate drive output pin (OUT) . . . . . . . . . . . . . . . 4
Positive supply voltage pin (V
DD
) . . . . . . . . . . . 4
Voltage regulator pin (REG) . . . . . . . . . . . . . . . 4
Device sections. . . . . . . . . . . . . . . . . . . . . . . . . 4
Power-up section . . . . . . . . . . . . . . . . . . . . . . . 4
Controller section . . . . . . . . . . . . . . . . . . . . . . . 6
Limiting values
. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Characteristics
. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Application information
. . . . . . . . . . . . . . . . . . 10
Off-line flyback regulator. . . . . . . . . . . . . . . . . 10
Optocoupler interface . . . . . . . . . . . . . . . . . . . 10
Marking
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Package outline
. . . . . . . . . . . . . . . . . . . . . . . . 12
Revision history
. . . . . . . . . . . . . . . . . . . . . . . . 14
Data sheet status
. . . . . . . . . . . . . . . . . . . . . . . 15
Definitions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Disclaimers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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