A7987TR
61 V 3A ASYNCHRONOUS STEP-DOWN S
Pmic Voltage Regulators Dc Dc Switching Controllers
16-PowerTSSOP (0.173", 4.40mm Width)
Automotive, AEC-Q100
Active
$5.84 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | A7987TR |
| Package / Case | 16-PowerTSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Topology | Buck-Boost |
| Frequency - Switching | 250kHz ~ 1.5MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 16-HTSSOP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
A7987TR by STMicroelectronics is a Buck-Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 16-PowerTSSOP (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-Down |
| Topology | Buck-Boost |
| Clock Sync | Yes |
| Output Type | Transistor Driver |
| Output Phases | 1 |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Duty Cycle (Max) | 100% |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 250kHz ~ 1.5MHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 61V |
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