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参数资料
| 型号： | SI9108DN02-T1-E3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG FLYBK ISOLATED 4V 20PLCC |
| 标准包装： | 1,000 |
| 类型： | 回扫，隔离 |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 4V |
| 输入电压： | 10 V ~ 120 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 40kHz ~ 1MHz |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-LCC（J 形引线） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-PLCC（9x9） |
Product is End of Life 3/2014
Si9108
Vishay Siliconix
1 W High-Voltage Switchmode Regulator
DESCRIPTION
The Si9108 high-voltage switchmode regulator is a mono-
lithic BiC/DMOS integrated circuit which contains most of the
components necessary to implement a high-efficiency dc/dc
converter in ISDN terminals up to 3 watts. A 0.5 mA max
supply current makes possible the design of a dc/dc con-
verter with 60 % efficiency at 25 mW, therefore meeting the
recommended performance under the CCITT I.430 specifi-
cations.
This device may be used with an appropriate transformer to
implement isolated flyback power converter topologies to
provide single or multiple regulated dc outputs (i.e., ± 5 V).
The Si9108 is available in both standard and lead (Pb)-free
16-pin wide-body SOIC, 14-pin plastic DIP and 20-pin PLCC
packages which are specified to operate over the industrial
temperature range of - 40 °C to 85 °C.
FUNCTIONAL BLOCK DIAGRAM
FEATURES
? CCITT Compatible
? Current-Mode Control
? Low Power Consumption
(less than 5 mW)
? 10 to 120 V Input Range
? 200 V, 250 mA MOSFET
? Internal Start-Up Circuit
? SHUTDOWN and RESET
? Maximum Duty Cycle of 99.9 %
OSC
OSC
FB
COMP
DISCHARGE
IN
OUT
Error
?
Amplifier
OSC
V REF
Ref
+
4 V (1 %)
2V
?
+
Current-Mode
Comparator
R
Clock
Q
Gen
+
?
C/L
S
DRAIN
1.2 V
Comparator
- V IN
(BODY)
BIAS
Current
Sources
To
Internal
V CC
Circuits
V CC
SOURCE
+ V IN
8.7 V
?
+
Undervoltage Comparator
Q
S
R
SHUTDOWN
RESET
?
Document Number: 70883
S-42038-Rev. B, 15-Nov-04
+
9.3 V
www.vishay.com
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI9108DW | 功能描述:开关变换器、稳压器与控制器 1W HV Switchmode Reg RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SI9108DW-E3 | 功能描述:开关变换器、稳压器与控制器 1W High-Voltage Switchmode RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SI9108DW-T1 | 功能描述:开关变换器、稳压器与控制器 1W High-Voltage Switchmode RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SI9108DW-T1-E3 | 功能描述:开关变换器、稳压器与控制器 1W High-Voltage Switchmode RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SI9110 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:High-Voltage Switchmode Controllers |
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