Key facts
- Brand
- Analog Devices
- Model
- ADP2138
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2022-11-26
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ADP2138/ADP2139 Compact 800 mA 3 MHz Step-Down DC-to-DC Converter Data Sheet
The ADP2138 and ADP2139 are high-efficiency, low-quiescent current, synchronous step-down DC-to-DC converters designed for portable applications. The ADP2139 includes an additional internal discharge switch. Both devices operate with input voltages ranging from 2.3 V to 5.5 V and support a maximum load current of 800 mA. They are available in fixed output voltages including 3.3 V, 3.0 V, 2.8 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, 1.0 V, and 0.8 V.
Read onlineAnalog Devices ADP2138 specifications
| Input Voltage Range | 2.3 V to 5.5 V |
|---|---|
| Peak Efficiency | 95% |
| Oscillator Frequency | 3 MHz |
| Maximum Load Current | 800 mA |
| Quiescent Current | 24 μA |
| Shutdown Current | 0.2 μA |
| Thermal Shutdown Threshold | 150 °C |
Source: ADP2138/ADP2139 Compact 800 mA 3 MHz Step-Down DC-to-DC Converter Data Sheet
All Analog Devices ADP2138 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the input voltage range for the ADP2138/ADP2139?
The devices operate on input voltages of 2.3 V to 5.5 V.
From: ADP2138/ADP2139 Compact 800 mA 3 MHz Step-Down DC-to-DC Converter Data Sheet
What are the available fixed output voltages?
Available fixed output voltages include 3.3 V, 3.0 V, 2.8 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, 1.0 V, and 0.8 V.
From: ADP2138/ADP2139 Compact 800 mA 3 MHz Step-Down DC-to-DC Converter Data Sheet
What input voltage range does the ADP2138/ADP2139 support?
It operates from 2.3 V up to 5.5 V input.
What is the peak efficiency of these converters?
The devices achieve up to 95 % peak efficiency.
What is the input voltage range of the ADP2138/ADP2139?
The devices operate from 2.3 V to 5.5 V input.
From: Analog Devices ADP2138/ADP2139 Step-Down DC-DC Converter Datasheet
What is the typical efficiency of these converters?
They achieve a peak efficiency of about 95 %.
From: Analog Devices ADP2138/ADP2139 Step-Down DC-DC Converter Datasheet