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| 型号： | SI9110DY-E3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK CUK CM 14SOIC |
| 标准包装： | 550 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 3MHz |
| 占空比： | 50% |
| 电源电压： | 9.5 V ~ 13.5 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 是 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
Si9110, Si9111
Vishay Siliconix
High-Voltage Switchmode Controllers
DESCRIPTION
FEATURES
The Si9110/9111 are BiC/DMOS integrated circuits
designed for use as high-performance switchmode
controllers. A high-voltage DMOS input allows the controller
to work over a wide range of input voltages (10 to 120 VDC).
Current-mode PWM control circuitry is implemented in
CMOS to reduce internal power consumption to less than
10 mW.
A push-pull output driver provides high-speed switching for
MOSPOWER devices large enough to supply 50 W of output
power. When combined with an output MOSFET and
transformer, the Si9110/9111 can be used to implement
single-ended power converter topologies (i.e., flyback,
forward, and cuk).
The Si9110/9111 are available in both standard and lead
(Pb)-free 14-pin plastic DIP and SOIC packages which are
specified to operate over the industrial temperature range of
- 40 °C to 85 °C.
FUNCTIONAL BLOCK DIAGRAM
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OSC
10 V to 120 V Input Range
Current-Mode Control
High-Speed, Source-Sink Output Drive
High Efficiency Operation (> 80 %)
Internal Start-Up Circuit
Internal Oscillator (1 MHz)
SHUTDOWN and RESET
Reference Selection
Si9110 - ± 1 %
Si9111 - ± 10 %
OSC
FB
14
13
COMP
DISCHARGE
9
IN
8
OUT
7
Error
V REF
10
-
+
Amplifier
OSC
Clock ( 1 / 2 f OSC )
To
V CC
4V
Ref
Gen
2V
-
+
Current-Mode
Comparator
R
S
Q
4
5
OUTPUT
- V IN
+
-
C/L
BIAS
V CC
1
6
Current
Sources
To
Internal
Circuits
1.2 V
Comparator
V CC
3
SENSE
+V IN
2
8.1 V
-
+
Undervoltage
Comparator
Q
S
R
11
12
SHUTDOWN
RESET
-
+
8.6 V
Pre-Regulator/Start-Up
Document Number: 70004
S11-0975-Rev. I, 16-May-11
www.vishay.com
1
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI9110DY-T1 | 功能描述:开关变换器、稳压器与控制器 1% 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 |
| SI9110DY-T1-E3 | 功能描述:开关变换器、稳压器与控制器 1% 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 |
| SI9110DYT1-E3 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:High-Voltage Switchmode Controllers |
| SI9110DY-T1-E3 | 制造商:Vishay Siliconix 功能描述:Switchmode Controller IC |
| SI9111 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:High-Voltage Switchmode Controllers |
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