Wide Input Voltage from 2.7V to 6V
Fixed 600kHz Switching Frequency
Reference Voltage : 0.2V
PWM brightness control with wide frequency
range of 5KHz to 100KHz
Build-in Power MOSFET: 0.3Ω
Over-Voltage Protection
Under Voltage Loc
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APW7215 Fixed 600kHz Step-UP Converter for White LEDs Features General Description • Wide Input Voltage from 2.7V to 6V • Fixed 600kHz Switching Frequency • Reference Vol...
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age from 2.7V to 6V • Fixed 600kHz Switching Frequency • Reference Voltage : 0.2V • PWM brightness control with wide frequency range of 5KHz to 100KHz • Build-in Power MOSFET: 0.3Ω • Over-Voltage Protection • Under Voltage Lockout Protection • Over Temperature Protection • <1µA Quiescent Current during Shutdown • TDFN2x2-6 Package • Halogen and Lead Free Available (RoHS Compliant) Applications Th e APW72 15 is a current-mod e and fixed freq uen cy 600kHz boost converter with an integrated N-FET to drive white LEDs. The series connection allows the LED current to be identical for uniform brightness.