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参数资料
| 型号： | SG3845DM |
| 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, PDSO8 |
| 封装： | ROHS COMPLIANT, PLASTIC, SOIC-8 |
| 文件页数： | 6/12页 |
| 文件大小： | 216K |
| 代理商： | SG3845DM |
C
U R R E N T
-M
O D E
PWM C
O N T R O L L E R
SG1844/SG1845 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. 1.4 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.
DROPOUT VOLTAGE vs. TEMPERATURE
OSCILLATOR TEMPERATURE STABILITY
CURRENT SENSE TO OUTPUT DELAY 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
OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND
TEMPERATURE (SINK TRANSISTOR)
10.
CURRENT SENSE THRESHOLD vs. ERROR AMPLIFIER OUTPUT
11.
OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND
TEMPERATURE (SOURCE TRANSISTOR)
FIGURE INDEX
Application Information
FIGURE #
12.
OSCILLATOR TIMING CIRCUIT
13.
OSCILLATOR FREQUENCY vs. R
T
FOR VARIOUS C
T
Typical Applications Section
FIGURE #
14.
CURRENT SENSE SPIKE SUPPRESSION
15.
MOSFET PARASITIC OSCILLATIONS
16.
BIPOLAR TRANSISTOR DRIVE
17.
ISOLATED MOSFET DRIVE
18.
ADJUSTABLE BUFFERED REDUCTION OF CLAMP LEVEL WITH
SOFTSTART
19.
EXTERNAL DUTY CYCLE CLAMP AND MULTI-UNIT
SYNCHRONIZATION
20.
OSCILLATOR CONNECTION
21.
ERROR AMPLIFIER CONNECTION
相关PDF资料 |
PDF描述 |
|---|---|
| SG3845J | CURRENT MODE PWM CONTROLLER |
| SG3845M | CURRENT MODE PWM CONTROLLER |
| SG3845N | CURRENT MODE PWM CONTROLLER |
| SG3845Y | CURRENT MODE PWM CONTROLLER |
| SG2844DM | CURRENT MODE PWM CONTROLLER |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SG3845J | 制造商:Microsemi Corporation 功能描述:SG3845J - Bulk |
| SG3845M | 功能描述:IC REG CTRLR ISO PWM CM 8-DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:100% 电源电压:8.2 V ~ 30 V 降压:无 升压:无 回扫:是 反相:无 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 产品目录页面:1316 (CN2011-ZH PDF) |
| SG3845N | 制造商:Microsemi Corporation 功能描述:SG3845N - Bulk |
| SG3845Y | 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 200MA 8CDIP - Bulk |
| SG3846 | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER |
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