R1215D002F RICOH [RICOH electronics devices division], R1215D002F Datasheet
R1215D002F
Related parts for R1215D002F
R1215D002F Summary of contents
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STEP-UP DC/DC CONTOLLER OUTLINE The R1215D Series are CMOS-based PWM step-up DC/DC converter controllers with low supply current. Each of the R1215D Series consists of an oscillator, a PWM comparator circuit, a reference voltage unit, an error amplifier, a reference ...
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R1215D BLOCK DIAGRAM Internal VR V REFOUT DTC V REF MPOUT SELECTION GUIDE In the R1215D Series, the oscillator frequency and UVLO detector threshold can be selected at the user's request. The selection can be made with ...
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PIN CONFIGURATION PIN DESCRIPTION Pin No Symbol 1 EXT 2 GND 3 DTC 4 DELAY REFOUT 7 AMPOUT ∗ Tab in the parts have GND level. (They are connected to the reverse ...
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R1215D ELECTRICAL CHARACTERISTICS • R1215D002A Symbol V Operating Input Voltage Voltage Tolerance FB FB ∆V V Voltage Line Regulation /∆ Voltage Temperature FB ∆V /∆Topt FB Coefficient I V Input Current FB FB ...
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R1215D002B Symbol Item V Operating Input Voltage Voltage Tolerance FB FB ∆V V Voltage Line Regulation /∆ Voltage Temperature FB ∆V /∆Topt FB Coefficient I V Input Current Open ...
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R1215D • R1215D002E Symbol V Operating Input Voltage Voltage Tolerance FB FB ∆V /∆V V Voltage Line Regulation Voltage Temperature FB ∆V /∆Topt FB Coefficient I V Input Current Open ...
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... R1215D002F Symbol Item V Operating Input Voltage Voltage Tolerance FB FB ∆V V Voltage Line Regulation /∆ Voltage Temperature FB ∆V /∆Topt FB Coefficient I V Input Current Open Loop Voltage Gain V f Unity Gain Frequency Band T fosc Oscillator Frequency Oscillator Frequency Line ∆ ...
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R1215D TYPICAL APPLICATIONS AND TECHNICAL NOTES C1 Inductor NMOS Diode Use a 1µF or more capacitance value of bypass capacitor between V typical application above. Connect the capacitor as short as possible to ...
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Output Voltage Setting Method and Phase Compensation Making Method • The feedback voltage is controlled into 1.0V. The output voltage can be set with divider resistors for voltage setting, R1 and R2 as shown in typical application of the ...
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R1215D Output Current and Selection of External Components V GND Discontinuous Mode IL ILxmax ILxmin ton t=1/fosc 1/ton There are two modes, or discontinuous mode and continuous mode for the PWM step-up switching regulator depending on the continuous characteristic of ...
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In the continuous mode, the deviation of the current is equal between on time and off time − OUT Further, the electric power × 2 × I ...
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R1215D TIMING CHART <Soft-start Operation> The timing chart below describes the state of each pin from the power-on until the IC entering the stable operation. By raising the voltage of the DTC pin slowly, the switching duty cycle is limited, ...
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Protection Operation> The operation of Latch protection circuit is as follows: When AMPOUT becomes "H" and the IC detects maximum duty cycle, charge to an external capacitor DELAY pin starts. The maximum duty cycle continues and the ...
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R1215D TEST CIRCUITS REFOUT A AMPOUT DTC GND DELAY Fig.1 Consumption Current Test Circuit REFOUT AMPOUT DTC GND DELAY Fig.3 AMP "L" Output Current/ "H" Output Current Test Circuit REFOUT ...
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V EXT IN V REFOUT AMPOUT DTC V FB GND DELAY Fig.7 DELAY Pin Detector Threshold Test Circuit V EXT IN V REFOUT AMPOUT DTC V FB GND DELAY Fig.9 Error AMP Gain/Phase Test Circuit V EXT IN V REFOUT ...
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... OUT 900 850 800 750 700 650 600 R1215D002F V =9V,Frequency=1.4MHz OUT 1.8V 2.5V 5.5V 0 100 200 Output Current I (mA) OUT R1215D002F V =9V,Frequency=1.4MHz OUT 1.8V 2.5V 5. 100 150 200 250 Output Current I (mA) OUT R1215D002B/F V =5.5V,Frequency=1.4MHz IN -40 - Temperature Topt(°C) ...
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V Voltage vs. Temperature FB R1215D002x 1010 1005 1000 995 990 985 980 -40 - Temperature Topt(°C) 6) Oscillator Frequency vs. Temperature R1215D002A/E 800 750 700 650 600 -40 - Temperature Topt(°C) 7) UVLO Detector ...
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R1215D 8) DELAY Pin Charge Current vs. Temperature R1215D002x 6.5 6.0 5.5 5.0 4.5 -40 - Temperature Topt(°C) 10) DELAY Pin Detector Threshold vs. Temperature R1215D002x 1.02 1.01 1.00 0.99 0.98 0.97 0.96 -40 - Temperature ...
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Error Amplifier Frequency Characteristics (Topt=25°C) R1215D002X 200 150 Phase 100 Gain 100 Freguency f(kHz) 14) Load Transient Response (V R1215D002A/E Frequency=700kHz 9.2 9.1 9.0 8.9 V OUT 8.8 8.7 8.6 I OUT 8.5 8.4 ...
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PACKAGE INFORMATION • SON-8 PACKAGE DIMENSIONS 8 0.65 TAPING SPECIFICATION 2.0MAX. TAPING REEL DIMENSIONS (1reel=3000pcs) 2.9 ± 0.2 0.13±0.05 0.475TYP Attention : Tab suspension leads in the parts have V connected to the reverse side of this ...
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PACKAGE INFORMATION POWER DISSIPATION (SON-8) This specification is at mounted on board. Power Dissipation (P This specification is based on the measurement at the condition below: Measurement Conditions Environment Board Material Board Dimensions Copper Ratio Through-hole Measurement Result Power Dissipation ...
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... R1215D SERIES MARK SPECIFICATION • SON • Part Number vs. Product Code Product Code Part Number R1215D002A R1215D002B R1215D002E R1215D002F Product Code (refer to Part Number vs. Product Code Lot Number 6 ME-R1215D-0603 ...