Datasheet for ADP5037:
- Manufacturer Part Number : ADP5037
- Manufacturer : AD
- Description : Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
- Series : ADP5037
- Reference Price : USD 1.352
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Recommended for New Designs
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : ADP5037
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Main input voltage range: 2.3 V to 5.5 V
- Two 800 mA buck regulators and two 300 mA LDOs
- 24-lead, 4 mm × 4 mm LFCSP package
- Regulator accuracy: ±1.8%
- Factory programmable or external adjustable VOUTx
- 3 MHz buck operation with forced PWM and auto PWM/PSM modes
- BUCK1/BUCK2: output voltage range from 0.8 V to 3.8 V
- LDO1/LDO2: output voltage range from 0.8 V to 5.2 V
- LDO1/LDO2: low input supply voltage from 1.7 V to 5.5 V
- LDO1/LDO2: high PSRR and low output noise
The ADP5037 combines two high performance buck regulators and two low dropout (LDO) regulators in a small, 24-lead 4 mm × 4 mm LFCSP to meet demanding performance and board spacerequirements.
The high switching frequency of the buck regulators enables tiny multilayer external components and minimizes the board space. When the MODE pin is set high, the buck regulators operate in forced PWM mode. When the MODE pin is set low and the load is above a predefined threshold, the buck regulators operate in PWM mode. When the load current falls below apredefined threshold, the regulator operates in power savemode (PSM), improving the light-load efficiency.
The two bucks operate out of phase to reduce the input capacitor requirement. The low quiescent current, low dropout voltage, and wide input voltage range of the ADP5037 LDOs extend the battery life of portable devices. The ADP5037 LDOs maintain power supply rejection greater than 60 dB for frequencies as high as 10 kHz while operating with a low headroom voltage.
Regulators in the ADP5037 are activated though dedicated enable pins. The default output voltages can be externally set in the adjustable version or factory programmable to a wide range of preset values in the fixed voltage version.
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.