XL1507 3A PWM step-down DC / DC, TO252, enter 3.6-36V, conversion efficiency up to 85% can be completely replaced AE1507, TD1507, AP1507, OCP2017, EC9407 XL6009 / 6011/6012 is designed for portable laptop car adapter optimized boost / Buck transform directly to the car's 12V battery voltage conversion to the 12 ~ 19V DC power supply standard notebook, efficiency up to 92% or more of the same type of chip ;;: XL1509, XL2576, XL2576P, XL1507 XL1507 drop product details voltage DC power converter chip (regular type) XL1507 3A output current step-down switching regulator integrated circuit, which contains a fixed frequency oscillator (150kHz) and a reference voltage regulator (1.23V), and have perfect protection circuit including current limit and thermal shutdown circuit, the use of this device with minimal external components can constitute efficient voltage regulator circuit. Pin. XL1507 series switching regulator IC main features are as follows: 1. Maximum output current: 3A; 2. the maximum input voltage: XL1507 for 40V 3. Output voltage: 3.3V, 5V, 12V and ADJ (adjustable), and other options; 4. Vibration frequency: 150kHz; 5. Conversion efficiency: 75% -88% (efficiency of different voltage output is different); 6. Control mode: PWM; 7. Operating temperature range: -40 ℃ ~ + 125 ℃ 8. Work mode: Low-power / normal modes can be externally controlled; 9. Working mode control: TTL level compatible; 10 external components required: minimal external components can constitute efficient voltage regulator circuit; fewer external components Low ripple. 25V input voltage, output 12V, the efficiency can reach 90%. 11. Device Protection: Thermal shutdown and current limit, output short circuit protection; input power switching noise suppression; hysteresis Enanle switching signal; Product Model Input Voltage Maximum output current switching frequency voltage version is fully compatible package types XL1507 4.5V ~ 40V 3A 150KHz Adj (1.23V) /3.3V/5V/12V TO252-5L AP1507 XL1509 4.5V ~ 40V 2A 150KHz Adj (1.23V) /3.3V/5V/12V SOP8L AP1509 XL2596 4.5V ~ 40V 3A 150KHz Adj (1.23 V) /3.3V/5V/12V TO263-5L / TO220-5L LM2596, AP1501, MIC4576, AP1506 XL2576 4.5V ~ 40V 3A 52KHz Adj (1.23V) /3.3V/5V/12V TO263-5L / TO220-5L LM2576 , LM2575 XL2576P 4.5V ~ 40V 2A 52KHz Adj (1.23V) SOP8-EP GL2576P, LM2575