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参数资料
| 型号： | SG1843L |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 稳压器 |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封装： | HERMETIC SEALED, CERAMIC, LCC-20 |
| 文件页数： | 6/14页 |
| 文件大小： | 224K |
| 代理商： | SG1843L |
C
U R R E N T
-M
O D E
PWM C
O N T R O L L E R
SG1842/SG1843 Series
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 2000
Rev. 1.6 4/00
6
P
R O D U C T I O N
D
A T A
S
H E E T
GRAPH / CURVE INDEX
Characteristic Curves
FIGURE #
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND
TEMPERATURE (SINK TRANSISTOR)
11.
CURRENT SENSE THRESHOLD vs. ERROR AMPLIFIER OUTPUT
12.
OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND
TEMPERATURE (SOURCE TRANSISTOR)
DROPOUT VOLTAGE vs. TEMPERATURE
OSCILLATOR TEMPERATURE STABILITY
CURRENT SENSE TO OUTPUT DELAY vs. TEMPERATURE
OUTPUT DUTY CYCLE vs. TEMPERATURE
START-UP CURRENT vs. TEMPERATURE
REFERENCE VOLTAGE vs. TEMPERATURE
START-UP VOLTAGE THRESHOLD vs. TEMPERATURE
START-UP VOLTAGE THRESHOLD vs. TEMPERATURE
OSCILLATOR DISCHARGE CURRENT vs. TEMPERATURE
FIGURE INDEX
Application Information
FIGURE #
13.
OSCILLATOR TIMING CIRCUIT
14.
OSCILLATOR FREQUENCY vs. R
T
FOR VARIOUS C
T
Typical Applications Section
FIGURE #
15.
CURRENT SENSE SPIKE SUPPRESSION
16.
MOSFET PARASITIC OSCILLATIONS
17.
BIPOLAR TRANSISTOR DRIVE
18.
ISOLATED MOSFET DRIVE
19.
ADJUSTABLE BUFFERED REDUCTION OF CLAMP LEVEL WITH
SOFTSTART
20.
EXTERNAL DUTY CYCLE CLAMP AND MULTI-UNIT
SYNCHRONIZATION
21.
OSCILLATOR CONNECTION
22.
ERROR AMPLIFIER CONNECTION
23.
SLOPE COMPENSATION
24.
OPEN LOOP LABORATORY FIXTURE
25.
OFF-LINE FLYBACK REGULATOR
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| SG2844D | CURRENT MODE PWM CONTROLLER |
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| SG3844DM | CURRENT MODE PWM CONTROLLER |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SG1843L/883B | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER |
| SG1843L/DESC | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER |
| SG1843L-883B | 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWMS - Bulk |
| SG1843L-DESC | 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 200MA 20CLLCC - Rail/Tube |
| SG1843Y | 功能描述:IC REG CTRLR FLYBK ISO PWM 8-DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR |
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