Overview
The ADP197ACPZN-01-R7, produced by Analog Devices Inc., is a high-side load switch designed for efficient power management in various electronic devices. This component operates within a voltage range of 1.8 V to 5.5 V, making it versatile for different applications. The ADP197 features a low on-resistance N-channel MOSFET, which supports continuous currents of more than 3 A, thereby minimizing power loss. Its compact package design, available in both 1.0 mm × 1.5 mm, 0.5 mm pitch, 6-ball WLCSP and 2.0 mm × 2.0 mm × 0.55 mm, 0.65 mm pitch, 6-lead LFCSP, makes it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 1.8 V to 5.5 V | V |
| Continuous Current | 3 A (TJ < 70°C), 2.22 A (TJ = 85°C) | A |
| On-Resistance (Rds On) | 12 mΩ (typical) | mΩ |
| Quiescent Current | 31 μA (VIN = 4.2 V) | μA |
| Shutdown Current | <1 μA | μA |
| Overtemperature Protection | Activates at TJ > 125°C, reenables at TJ < 110°C | °C |
| Package Types | WLCSP (1.0 mm × 1.5 mm, 0.5 mm pitch, 6-ball), LFCSP (2.0 mm × 2.0 mm × 0.55 mm, 0.65 mm pitch, 6-lead) |
Key Features
- Low on-resistance N-channel MOSFET for minimal power loss.
- High-side load switch configuration.
- Internal charge pump for controlled turn-on times and constant on-resistance.
- Overtemperature protection to prevent damage.
- Ultralow shutdown current and quiescent current.
- Internal quick output discharge (QOD) circuit in the ADP197-02 variant.
- Compact package designs for minimal PCB space.
- Compatibility with 1.8 V logic signals through built-in level shifter.
Applications
- Mobile phones.
- Digital cameras and audio devices.
- Portable and battery-powered equipment.
- Any application requiring power domain isolation and efficient power management.
Q & A
- What is the operating voltage range of the ADP197? The ADP197 operates between 1.8 V and 5.5 V.
- What is the maximum continuous current supported by the ADP197? The ADP197 supports more than 3 A of continuous current at temperatures below 70°C.
- What is the typical on-resistance of the ADP197? The typical on-resistance is 12 mΩ.
- What is the quiescent current of the ADP197? The quiescent current is 31 μA at VIN = 4.2 V.
- Does the ADP197 have overtemperature protection? Yes, the ADP197 has overtemperature protection that activates if the junction temperature exceeds 125°C.
- What are the available package types for the ADP197? The ADP197 is available in WLCSP (1.0 mm × 1.5 mm, 0.5 mm pitch, 6-ball) and LFCSP (2.0 mm × 2.0 mm × 0.55 mm, 0.65 mm pitch, 6-lead) packages.
- Is the ADP197 compatible with low voltage logic signals? Yes, the ADP197 is compatible with 1.8 V logic signals through its built-in level shifter.
- What is the purpose of the internal charge pump in the ADP197? The internal charge pump biases the NMOS switch to achieve a relatively constant, ultralow on-resistance and allows for controlled turn-on times.
- Does the ADP197 have a quick output discharge (QOD) circuit? Yes, the ADP197-02 variant includes an internal QOD circuit to discharge the output capacitance when the output is disabled.
- What are some typical applications of the ADP197? Typical applications include mobile phones, digital cameras, audio devices, and other portable and battery-powered equipment.
