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R2A20134ASP Datasheet(PDF) 11 Page - Renesas Technology Corp |
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R2A20134ASP Datasheet(HTML) 11 Page - Renesas Technology Corp |
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11 / 14 page  R2A20134ASP R03DS0067EJ0301 Rev.3.01 Page 11 of 13 Jan 08, 2016 2. Peak Current and Zero Current Detection Mode Buck-Converter 2.1 System Diagram From OUT C1 L1 D1 Q1 To CS filter Rcs Ri1 D2 From D Q D D3 R2 R1 Rsub D4 (*1) (*2) (*1) This parts are necessary for LED open protection(OVP). (*2) When you use only inductor short protection, Please set R2 to 0 Ω. To Q 0.1 μ Rec+ Rec– Iin Iout Iled Vout 10 μ + Z1 Vin Logic Block RAMP Control 1st OCP 4 VREF 5 CS 8 VCC 6 GND OUT 0.6V + – 2.5V + – 2V 1V Max Duty Detect + – + – 1V 0.605V Error Amp VREF 250n 1 FB – + 10p VREF OFF: 9.2V/ON: 12V VREF: 5.02V UVLO COMP 4.1V TSD ON: 155°C OFF: 110°C 2 S R Q 7 – + VREF Rrt RT 3 VCC VREF 15 μ 2nd OCP&OVP |
Similar Part No. - R2A20134ASP_16 |
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Similar Description - R2A20134ASP_16 |
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