RCR2521SL KEXIN | Alldatasheet
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Technical content
www.kexin.com.cn 1 Integrate CircuitSMD Type High Efficiency, Step-up DC/DC Converter RCR2521SL ■ Features
- 1.0V Low Start-up Input Voltage
- High Supply Capability to Deliver 3.3V 100mA with 1 Alkaline Cell
- 17μA Quiescent (Switch-off) Supply Current
- Zero Shutdown Mode Supply Current
- 90% Efficiency
- 450KHz Fixed Switching Frequency
- Providing Flexibility for Using Internal and External Power Switches ■ Absolute Maximum Ratings Ta = 25℃ Parameter Symbol Rating Unit Supply Voltage VCC -0.3 to +7 V LX Pin Switch Voltage VLX -0.3 to +7 V Other I/O Pin Voltages -0.3V to (VDD + 0.3V) V LX Pin Switch Current ILX 2.5 A EXT Pin Driver Current IEXT 200 mA Power Dissipation @ TA = 25℃ PD 400 mW Thermal Resistance RθJA 250 ℃/W Operating Junction Temperature TJ 125 ℃ Storage Temperature Range Tstg -65 to +150 ℃ 0to0.1 0.3min Unit: mm RCR2521 EN Functional Block Diagram 2 3 EN EXT GND LXVDDFB 2 3
www.kexin.com.cn 3 SMD Type ICSMD Type Integrate Circuit ■ Typical Characteristics RCR2521SL
www.kexin.com.cn 4 SMD Type ICSMD Type Integrate Circuit RCR2521SL
www.kexin.com.cn 5 SMD Type ICSMD Type Integrate Circuit RCR2521SL
www.kexin.com.cn 6 SMD Type ICSMD Type Integrate Circuit RCR2521SL