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Overview
| Topology | Buck Converter |
| Input voltage | 2.5-5.5 V |
| Switching frequency | 1200-1800 kHz |
| Output 1 | 1.8 V / 2 A |
| IC revision | 0.9 |
Description
The XM5202/5202F synchronous buckconverter is a high frequency step-downvoltage regulator with current control mode.It can output continuous 2A with excellentline and load regulation. The current is only130uA/20uA at operating and less than1uA at shutdown. This device is the ideallysolution for small space and board levelpower supply application.This device integrates PWM controller,power switch and compensation network,required only three components toimplement a switching power supply. Ithas internal fixed 1.5MHz frequency andmakes application circuit smaller.The XM5202/5202F is available in fixedoutput voltage version, 1.2V, 1.8V, 3.3V,and is also available in an adjustableoutput voltage version. The adjustableversion has wide output range from 0.6V toVIN. The XM5202/5202F products areavailable in a SOP8-PP package.
Features
- 2A Continuous Output Capability
- High Efficiency up to 95%
- 2.5V to 5.5V Input Range
- Adjustable Output Voltage from 0.6V toVIN
- Low Quiescent CurrentXM5202 130uA；XM5202F 20uA；XM5202F support PFM Mode
- Required Only 3 External Components
- 1.5MHz Constant Frequency Operation
- Low Dropout Operation: 100% DutyCycle
- Under Voltage Lockout, Over Current,Short Current, and Thermal Protection
Operating Temperature: -40oC to +85°C
- Available in tiny SOP8-PP Package
Typical applications
- Handheld Instruments
- DSP Core Supplies
- Digital Cameras
- Board Mounted Power Supplies
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Power Inductor, 0.22 µH, 11.4 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance0.22 µH | Performance Rated Current11.4 A | Saturation Current @ 10%10.8 A | Saturation Current @ 30%22.3 A | DC Resistance7.3 mΩ | Self Resonant Frequency195 MHz | MountSMT |