| Customization: | Available |
|---|---|
| Conductive Type: | Unipolar Integrated Circuit |
| Integration: | ULSI |
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XL1509-5.0E1: Switching Voltage Regulators
Package: SOP-8
Mfr. Part#: XL1509-5.0E1
Mfr.: XLSEMI
Datasheet: 
(e-mail or chat us for PDF file)
ROHS Status:
Quality: 100% Original
Warranty: 180 days
Features
Wide 4.5V to 40V Input Voltage Range n 3.3V,5V,12V, and adjustable versions n Output Adjustable from 1.23V to 37V n Maximum Duty Cycle 100% n Minimum Drop Out 1.5V n Fixed 150KHz Switching Frequency n 2A Constant Output Current Capability n Internal Optimize Power Transistor n High efficiency n Excellent line and load regulation n TTL shutdown capability n ON/OFF pin with hysteresis function n Built in thermal shutdown function n Built in current limit function n Built in second current limit function n Available in SOIC8 package
Applications
LCD Monitor and LCD TV
Digital Photo Frame
Set-up Box
ADSL Modem
Telecom / Networking Equipment
General Description
The XL1509 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An enable function, an over current protection function is built inside. When second current limit function happens, the operation frequency will be reduced from 150KHz to 50KHz. An internal compensation block is built in to minimize external component count.
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