RN5RK201A-TL RICOH [RICOH electronics devices division], RN5RK201A-TL Datasheet

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OUTLINE FEATURES • • • • • • • • • • • APPLICATIONS • • • SOT-23-5 VFM STEP-UP DC/DC CONVERTER [[$ 6(5,( NO. EA-045-0204 1 ...

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RN5RKxx1A/xx1B/xx2A BLOCK DIAGRAM *) L pin: only for RN5RKxx X SELECTION GUIDE ↑ ↑↑ ↑ Code 2 Lx Limiter LX Buffer - VFM Control + OSC 100kHz 5 EXT* Chip Enable ← Contents 287 V ...

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PIN CONFIGURATION PIN DESCRIPTION Pin No. Symbol 287 ; Pin No. Symbol 287 SOT-23 (mark side Pin description Pin description RN5RKxx1A/xx1B/xx2A 3 ...

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RN5RKxx1A/xx1B/xx2A ABSOLUTE MAXIMUM RATINGS Symbol 287 /; (;7 & Item ; ABSOLUTE MAXIMUM RATINGS Rating Unit 287 287 ...

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ELECTRICAL CHARACTERISTICS • RN5RKxx1A/xx1B Symbol Item 287 ,1 ∆ ∆ 287 ∆ ∆ '' /;OHDN 1 ∆ ∆Topt 1 O[OLP &(+ &(/ &(+ &(/  ''  '' Conditions Min. × × ,1 287 287 ≤ ≤ → ...

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RN5RKxx1A/xx1B/xx2A Symbol Item '' '' , '' , '' , '' ; ; ; ; ; ; ; *1) Condition: An Output load resistor R Note that the resistor R *2) The Supply Current the oscillator works ...

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RN5RKxx2A Symbol Item 287 ,1 Output Voltage Temperature ∆V ∆Topt OUT Coefficient Start-Up Voltage Temperature ∆Vstart/∆Topt Coefficient ''  ∆ ∆Topt 1 &(+ &(/ &(+ &(/ '' '' '' '' (;7+ (;7+ Conditions Min. × × ,1 287 287 ...

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RN5RKxx1A/xx1B/xx2A Symbol Item (;7+ (;7+ (;7+ (;7+ *1) Condition: An Output load resistor R Note that the resistor R *2) The Supply Current the oscillator works intermittently, the supply current becomes smaller than the value which is ...

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TEST CIRCUITS SBD OUT V IN GND CE Test Circuit OUT GND CE Oscilloscope Test Circuit 3 *) When V lim and I are measured, the 5Ω resistor is used. Otherwise 1kΩ is used. ...

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RN5RKxx1A/xx1B/xx2A EXT GND Test Circuit 1 EXT Oscilloscope GND Test Circuit SBD V OUT OUT × Ω EXT V OUT A GND CE ...

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TYPICAL CHARACTERISTICS • RN5RKxx1A/B 1) Output Voltage vs. Output Current (Topt=25°C) RN5RK301A 3.5 3.0 2.5 1.0V 1.3V 2.0 V =0.9V 1.5 IN 1.0 0.5 0 100 120 Output Current I RN5RK301B 3.5 3.0 2.5 1.3V ...

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RN5RKxx1A/xx1B/xx2A RN5RK501B 2. =1. Output Current I 2) Efficiency vs. Output Current (Topt=25°C) RN5RK301A 100 1. =0. ...

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RN5RK501A 100 90 80 2.0V 70 1.5V V =0. 100 Output Current I RN5RK501B 100 90 2. =1. 100 Output Current I 3) Ripple ...

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RN5RKxx1A/xx1B/xx2A RN5RK301B 1. =1. Output Current I RN5RK501A 200 150 100 2.0V 50 1.5V V =0. Output Current I RN5RK501B 140 ...

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Start-up/Hold-on Voltage vs. Output Current (Topt=25°C) RN5RK301A 1.4 1.2 1.0 Vstart 0.8 0.6 0.4 Vhold 0.2 0 Output Current I RN5RK301B 2.0 1.8 1.6 1.4 1.2 Vstart 1.0 0.8 0.6 Vhold 0.4 0.2 0 Output ...

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RN5RKxx1A/xx1B/xx2A 6) Start-up Voltage vs. Temperature RN5RK501A 1 0.8 0.6 0.4 0.2 0 -50 -25 0 Temperature Topt Hold-on Voltage vs. Temperature RN5RK501A 1 0.8 0.6 0.4 0.2 0 -50 -25 0 Temperature Topt Switching ...

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Supply Current 1 vs. Temperature RN5RK301A -50 - Temperature Topt( ) 10) Supply Current 2 vs. Temperature RN5RK301A -50 - Temperature Topt( ) 12) ...

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RN5RKxx1A/xx1B/xx2A 13) CE “H” Input Voltage vs. Temperature RN5RK301A 1 0.8 0.6 0.4 0.2 0 -50 -25 0 Temperature Topt( ) 15) Maximum Oscillator Frequency vs. Temperature RN5RK301A 120 110 100 -50 -25 0 Temperature ...

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RN5RKxx2A 1) Output Voltage vs. Output Current (Topt=25°C) RN5RK302A 3.5 3.0 2.5 2.0 1.5 1.0 1.5V 1.3V V =0.9V IN 1.0V 0 200 400 Output Current I 2) Efficiency vs. Output Current (Topt=25°C) RN5RK302A 100 90 80 ...

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RN5RKxx1A/xx1B/xx2A 4) Start-up/Hold-on Voltage vs. Output Current (Topt=25°C) RN5RK302A 2.0 1.8 1.6 1.4 1.2 V start 1.0 0.8 0.6 V hold 0.4 0.2 0 Output Current I 5) Output Voltage vs. Temperature RN5RK302A 3.10 3. ...

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EXT “L” Output Current vs. Temperature RN5RK302A -50 - Temperature Topt Supply Current 1 vs. Temperature RN5RK302A -50 ...

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RN5RKxx1A/xx1B/xx2A 11) Oscillator Duty Cycle vs. Temperature RN5RK302A -50 -25 0 Temperature Topt( ) 13) CE “H” Input Voltage vs. Temperature RN5RK302A 1 0.8 0.6 0.4 0.2 0 -50 -25 0 Temperature Topt 12) ...