Vishay Siliconix20-TSSOP (0.173", 4.40mm Width)RoHS
SI9122ADQ-T1-E3
IC REG CTRLR HALF-BRIDGE 20TSSOP
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Controllers
Package
20-TSSOP (0.173", 4.40mm Width)
Status
Obsolete
Price available on request
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Vishay Siliconix |
| Model | SI9122ADQ-T1-E3 |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Half-Bridge |
| Frequency - Switching | 500kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 20-TSSOP |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
SI9122ADQ-T1-E3 by Vishay Siliconix is a Half-Bridge IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 20-TSSOP (0.173", 4.40mm Width) package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Up/Step-Down |
| Topology | Half-Bridge |
| Clock Sync | No |
| Output Type | Transistor Driver |
| Output Phases | 1 |
| Control Features | Current Limit, Sequencing, Soft Start |
| Duty Cycle (Max) | 92% |
| Number of Outputs | 1 |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 10.5V ~ 13.2V |
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