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STMicroelectronics Step-Down Switching Voltage Regulator 4.5V to 38V Input 2A Output VFDFPN 10-Pin L7985TR
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Regulators STMicroelectronics, Voltage Regulator 38V VFDFPN 10-Pin RS Stock No |
| Brand | STMicroelectronics |
| Height | 0.95mm |
| Length | 3.15mm |
| Model | L7985TR |
| Width | 3.15mm |
| Mount Type | Surface |
| Series | L7985 |
| Maximum Operating Temperature | 150°C |
| Package Type | VFDFPN |
| Maximum Input Voltage | 38V |
| Quiescent Current | 2.4mA |
| Minimum Input Voltage | 4.5V |
| Pin Count | 10 |
| Low dropout operation | 100% duty cycle |
Key Features
- Output voltage adjustable from 0.6 V up to VIN.
- Internal 250 kHz switching frequency, programmable up to 1 MHz.
- Includes internal soft-start and enable features.
- Low dropout operation with 100% duty cycle capability.
- Overcurrent and thermal protection for reliable performance.
- Compact VFDFPN 3x3 mm surface-mount 10-pin package.
- Maximum operating temperature up to 150°C.
- Minimum quiescent current of 2.4 mA.
Product Description
STMicroelectronics L7985TR is a high-performance step-down switching voltage regulator designed for power management applications requiring up to 2 A DC output current. It operates from a wide input voltage range of 4.5 V to 38 V, making it adaptable for various industrial, automotive (non-automotive standard), and electronic systems.
This device features an adjustable output voltage starting from 0.6 V up to the input voltage, allowing flexible voltage regulation tailored to specific loads. It incorporates an internal oscillator running at 250 kHz, which can be programmed up to 1 MHz for efficient switching frequency selection, balancing efficiency and size of external components.
The L7985TR includes an internal power MOSFET with current limiting, ensuring robust load delivery and protection against overcurrent conditions. It also integrates soft-start and enable circuitry for controlled startup and system integration.
Designed in a compact VFDFPN 3x3 mm surface-mount 10-pin package with an exposed thermal pad, this regulator achieves low thermal resistance values, facilitating efficient heat dissipation and reliable operation at temperatures up to 150°C.
Key features such as low dropout operation with 100% duty cycle, voltage feed-forward, zero load current operation, overcurrent, and thermal protection enhance the device's reliability and efficiency in demanding power management applications.
Output voltage adjustable from 0.6 V. Wide input voltage range of 4.5 V to 38 V. 2 A DC output current capability. Internal 250 kHz switching frequency, programmable up to 1 MHz. Soft-start and enable functions included.
Low dropout operation with 100% duty cycle. Overcurrent and thermal protection. Compact VFDFPN 3x3 mm 10-pin package with exposed pad. This voltage regulator is ideal for use in industrial power supplies, embedded electronics, and other applications requiring efficient and compact power management solutions.
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Frequently Asked Questions
The L7985TR operates with an input voltage range of 4.5 V to 38 V.
This model can deliver a maximum output current of 2 A DC.
The output voltage is adjustable from 0.6 V up to the input voltage.
It features an internal switching frequency of 250 kHz, which can be programmed up to 1 MHz.
This voltage regulator is housed in a compact VFDFPN 3x3 mm surface-mount 10-pin package.
The device includes overcurrent and thermal protection features for reliable performance.
The minimum quiescent current for this model is 2.4 mA.
It can operate at a maximum temperature of 150°C.
The dimensions of this model are 3.15 mm in length, 3.15 mm in width, and 0.95 mm in height.
Yes, it includes an internal soft-start feature for controlled startup.
This model features low dropout operation with 100% duty cycle capability.
It is suitable for industrial power supplies, embedded electronics, and other applications requiring efficient power management.
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