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参数资料
| 型号： | SI9122DQ-T1-E3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 8/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR ISO PWM VM 20-TSSOP |
| 标准包装： | 3,000 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 750kHz |
| 占空比： | 95% |
| 电源电压： | 10 V ~ 13.2 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
Si9122
Vishay Siliconix
PIN CONFIGURATION
Si9122DQ (TSSOP-20)
Si9122DLP (MLP65-20)
V IN
1
20
BST
REG_COMP
V CC
V REF
GND
R OSC
EP
V INDET
CS1
CS2
2
3
4
5
6
7
8
9
10
19
18
17
16
15
14
13
12
11
D H
L X
D L
PGND
SR H
SR L
SS
BBM
C L_CONT
V IN
REG_COMP
V CC
V REF
GND
R OSC
EP
V INDET
CS1
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
BST
D H
L X
D L
PGND
SR H
SR L
SS
BBM
CS2
10
11
C L_CONT
Top View
Top View
ORDERING INFORMATION
Lead (Pb)-free
Part Number
Si9122DQ-T1-E3
Si9122DLP-T1-E3
Eval Kit
Si9122DB
Issue 3
PIN DESCRIPTION
Temperature Range
- 40 °C to 85 °C
Temperature Range
- 10 °C to 70 °C
Package
TSSOP-20
MLP65-20
Board Type
Surface Mount and Thru-Hole
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
www.vishay.com
8
Name
V IN
REG_COMP
V CC
V REF
GND
R OSC
EP
V INDET
CS1
CS2
C L_CONT
BBM
SS
SR L
SR H
PGND
D L
L X
D H
BST
Function
Input supply voltage for the start-up circuit
Control signal for an external pass transistor
Supply voltage for internal circuitry
3.3 V reference, decoupled with 1 μ F capacitor
Ground
External resistor connection to oscillator
Voltage control input
V IN under voltage detect and shutdown function input. Shuts down or disables switching when V INDET
falls below preset threshold voltages and provides the feed forward voltage.
Current limit amplifier negative input
Current limit amplifier positive input
Current limit compensation
Programmable break-before-make time connection to an external resistor to set time delay
Soft-start control - external capacitor connection
Signal transformer drive, sequenced with the primary side
Signal transformer drive, sequenced with the primary side
Power ground
Low-side gate drive signal - primary
High-side source and transformer connection node
High-side gate drive signal - primary
Bootstrap voltage to drive the high-side N-Channel MOSFET switch
Document Number: 71815
S-80038-Rev. J, 14-Jan-08
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI9122E | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification Drivers |
| SI9122EDLP-T1-E3 | 功能描述:开关变换器、稳压器与控制器 500kHz DC/DC Controller 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 |
| SI9122EDQ-T1-E3 | 功能描述:开关变换器、稳压器与控制器 500kHz DC/DC Controller 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 |
| SI9123 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:500-kHz Half-Bridge DC-DC Converter With Integrated Secondary Synchronous Rectification Control |
| SI9124 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:500-kHz Push-Pull DC-DC Converter With Integrated Secondary Synchronous Rectification Control |
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