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| PWM Step-up DC/DC Converter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x >9@ ,287 P$ * /RZ 5LSSOH /RZ 1RLVH * %XLOWLQ D GULYHU WUDQVLVWRU ZLWK ORZ RQUHVLVWDQFH * 6WDUWXS 9ROWDJH 0D[ 9 * %DVLF )UHTXHQF\ FKDQJHRYHU FLUFXLW RQO\ IRU [[$ W\SH IURP 7\S N+] WR N+] 1 R1210Nxx1x APPLICATIONS * 3RZHU VRXUFH IRU EDWWHU\SRZHUHG HTXLSPHQW * 3RZHU VRXUFH IRU SRUWDEOH FRPPXQLFDWLRQ DSSOLDQFHV FDPHUDV 9&5V * 3RZHU VRXUFH IRU DSSOLDQFHV RI ZKLFK UHTXLUH KLJKHU YROWDJH WKDQ EDWWHU\ YROWDJH BLOCK DIAGRAM Vref Circuit LX 5 VLX limiter Buffer PWM Controller OSC fosc Control Phase Comp. 2 VOUT 4 GND Chip Enable 1 CE SELECTION GUIDE ,Q WKH 51 6HULHV WKH RXWSXW YROWDJH WKH RVFLOODWRU IUHTXHQF\ WKH RSWLRQDO IXQFWLRQ DQG WKH WDSLQJ W\SH IRU WKH ,&V FDQ EH VHOHFWHG DW WKH XVHU*V UHTXHVW 7KH VHOHFWLRQ FDQ EH PDGH E\ GHVLJQDWLQJ WKH SDUW QXPEHU DV VKRZQ EHORZ 51[[[[[ DEF Code 6HWWLQJ 2XWSXW 9ROWDJH 9287 D 6WHSZLVH VHWWLQJ ZLWK D VWHS RI 9 LQ WKH UDQJH RI 9 WR 9 IRU [[&' YHUVLRQ RU 9 WR 9 IRU [[$ YHUVLRQ LV SRVVLEOH 'HVLJQDWLRQ RI 2VFLOODWRU )UHTXHQF\ E $ N+] ZLWK D )UHTXHQF\ &KDQJHRYHU FLUFXLW & N+] ZLWKRXW D )UHTXHQF\ &KDQJHRYHU FLUFXLW ' N+] ZLWKRXW D )UHTXHQF\ &KDQJHRYHU FLUFXLW F 'HVLJQDWLRQ RI 7DSLQJ 7\SH ([ 75 7/ UHIHU WR 7DSLQJ 6SHFLILFDWLRQ 75 LV SUHVFULEHG DV D VWDQGDUG Contents 2 R1210Nxx1x PIN CONFIGURATION SOT-23-5 5 4 LX CE GND (mark side) VOUT NC 1 2 3 PIN DESCRIPTION Pin No. &( 9287 1& *1' /; Symbol Description &KLS (QDEOH 3LQ 3LQ IRU 0RQLWRULQJ 2XWSXW 9ROWDJH 1R &RQQHFWLRQ *URXQG 3LQ 6ZLWFKLQJ 3LQ 1FK 2SHQ 'UDLQ ABSOLUTE MAXIMUM RATINGS Symbol 9287 9/; 9&( ,/; 3' 7RSW 7VWJ Item 9287 3LQ 2XWSXW 9ROWDJH /; 3LQ 2XWSXW 9ROWDJH &( 3LQ ,QSXW 9ROWDJH /; 3LQ 2XWSXW &XUUHQW 3RZHU 'LVVLSDWLRQ 2SHUDWLQJ 7HPSHUDWXUH 5DQJH 6WRUDJH 7HPSHUDWXUH 5DQJH Rating Unit 9 9 9 P$ P: & & 3 R1210Nxx1x ELECTRICAL CHARACTERISTICS * R1210Nxx1x Symbol 9287 9,1 9287 7RSW 9VWDUW 9VWDUW 7RSW 9KROG Item Conditions 9,1 96(7x ,287 P$ Min. x Typ. Max. x & 7RSW & 9,1 99 9287N SXOOGRZQ & 7RSW & 996(79 9287 96(7x 996(79 9287 96(7x ,'' 6XSSO\ &XUUHQW 996(79 9287 96(7x 996(79 9287 96(7x 996(79 9287 96(7x 996(79 9287 96(7x ,'' 6XSSO\ &XUUHQW 996(79 9287 96(7x 996(79 9287 96(7x ,'' ,VWDQGE\ ,/;OHDN 6XSSO\ &XUUHQW 6WDQGE\ &XUUHQW /; /HDNDJH &XUUHQW 9287 9&( 96(7 9 9287 9 9&( 9 9287 9/; 9 7RSW & Unit 9 9 SSP& 9 P9& 9 [[$& 9 [[' $ [[$& $ [[' $ [[$& $ [[' $ [[$& $ [[' $ [[& $ [[' $ [[& $ [[' $ [[& $ [[' $ [[& $ [[' $ [[& $ [[' $ [[$& $ [[' $ $ 2XWSXW 9ROWDJH 0D[LPXP ,QSXW 9ROWDJH 6WHSXS 2XWSXW 9ROWDJH 7HPSHUDWXUH &RHIILFLHQW 6WDUWXS 9ROWDJH 6WDUWXS 9ROWDJH 7HPSHUDWXUH &RHIILFLHQW +ROGRQ 9ROWDJH 9,1 99 ,287 P$ 4 R1210Nxx1x Symbol Item 0D[LPXP 2VFLOODWRU )UHTXHQF\ Conditions Min. Typ. Max. Unit N+] [[$& N+] [[' N+]& [[$& N+]& [[' IRVF 9287 9&( 96(7x IRVF 7RSW 2VFLOODWRU )UHTXHQF\ 7HPSHUDWXUH &RHIILFLHQW 2VFLOODWRU 0D[LPXP 'XW\ &\FOH 9/; /LPLW 9ROWDJH &( + ,QSXW 9ROWDJH &( / ,QSXW 9ROWDJH &( + ,QSXW &XUUHQW &( / ,QSXW &XUUHQW & 7RSW & 9287 9&( 96(7x 9/; / 6LGH 9287 9&( 96(7x 9/; / 6LGH 9287 96(7x 9287 96(7x 9287 9&( 9 9,1 9 9&( 9 996(79 9/; 9 996(79 9/; 9 996(79 9/; 9 996(79 9/; 9 996(79 9/; 9 996(79 9/; 9 996(79 9/; 9 996(79 9/; 9 0D[GW\ 9/;OLP 9&(+ 9&(/ ,&(+ ,&(/ 9 9 9 $ $ P$ P$ P$ P$ P$ P$ P$ P$ N+] ,/; /; 6ZLWFKLQJ &XUUHQW IRVF &KDQJHRYHU IUHTXHQF\ 9,1 96(7x ,287 P$ RQO\ IRU [[$ *Note: VSET means setting Output Voltage. 5 R1210Nxx1x TEST CIRCUITS A SD L LX VIN GND CE VOUT CL V CL GND CE LX VOUT E OSCILLOSCOPE B LX LX VOUT A GND CE F VOUT CL GND CE OSCILLOSCOPE C LX G VOUT LX VOUT A GND CE GND CE OSCILLOSCOPE D A LX VOUT LX H VOUT GND CE GND CE A / + &' 6XPLGD (OHFWULF &R /7' 6' 0$ 0DWVXVKLWD (OHFWURQLFV &RUSRUDWLRQ 6FKRWWN\ 7\SH &/ )x 7DQWDOXP 7\SH 6 R1210Nxx1x TYPICAL CHARACTERISTICS 1) Output Voltage vs. Output Current R1210N301C 3.2 VIN:0.9V 3.2 VIN:0.9V R1210N301D Output Voltage VOUT (V) 3.1 VIN:1.5V Output Voltage VOUT (V) VIN:2.0V VIN:2.5V 3.1 VIN:1.5V VIN:2.0V VIN:2.5V 3.0 3.0 2.9 2.9 2.8 0 50 100 150 200 250 Output Current IOUT (mA) 300 2.8 0 50 100 150 200 250 Output Current IOUT (mA) 300 R1210N501C 5.4 VIN:3.0V VIN:2.0V VIN:4.0V R1210N501D 5.4 Output Voltage VOUT (V) Output Voltage VOUT (V) 5.2 5.2 VIN:3.0V VIN:4.0V 5.0 5.0 4.8 VIN:1.5V 4.6 4.4 0 50 100 150 200 250 Output Current IOUT (mA) 300 4.8 VIN:2.0V 4.6 VIN:1.5V 4.4 0 50 100 150 200 250 Output Current IOUT (mA) 300 2) Efficiency vs. Output Current R1210N301C 100 100 R1210N301D 80 80 Efficiency (%) Efficiency (%) VIN:2.5V 60 VIN:1.5V 40 VIN:0.9V 20 0 0 50 100 150 200 250 Output Current IOUT (mA) 300 VIN:2.0V VIN:2.5V 60 VIN:1.5V 40 VIN:0.9V 20 0 0 50 100 150 200 250 Output Current IOUT (mA) 300 VIN:2.0V 7 R1210Nxx1x R1210N501C 100 100 R1210N501D 80 Efficiency (%) VIN:4.0V Efficiency (%) 80 VIN:4.0V VIN:3.0V 60 VIN:2.0V VIN:1.5V 40 VIN:3.0V 60 VIN:1.5V VIN:2.0V 40 20 0 0 50 100 150 200 250 Output Current IOUT (mA) 300 20 0 0 50 100 150 200 250 Output Current IOUT (mA) 300 3) R1210Nxx1A/C Efficiency R1210N301x VIN:1.5V 100 90 80 Efficiency (%) 70 60 50 40 30 20 10 0 0.01 0.10 1.00 10.00 Output Current IOUT(mA) 100.00 R1210N301A R1210N301C 4) Ripple Voltage vs. Output Current R1210N301C ESR:0.33 140 R1210N301D ESR:0.33 140 Ripple Voltage Vripple (mV) Ripple Voltage Vripple (mV) 120 100 VIN:1.5(V) 80 60 40 20 0 0 50 100 Output Current IOUT (mA) 150 VIN:0.9(V) VIN:2.0(V) 120 100 80 60 40 20 0 0 50 100 Output Current IOUT (mA) 150 VIN:0.9(V) VIN:1.5(V) VIN:2.0(V) 8 R1210Nxx1x R1210N501C ESR:0.33 140 VIN:1.5(V) 140 R1210N501D ESR:0.33 Ripple Voltage Vripple (mV) Ripple Voltage Vripple (mV) 120 100 80 60 VIN:0.9(V) 40 20 0 0 50 100 150 200 250 Output Current IOUT (mA) 300 VIN:2.0(V) 120 VIN:1.5(V) 100 80 VIN:0.9(V) 60 40 20 0 0 50 100 150 200 250 Output Current IOUT (mA) 300 VIN:2.0(V) 5) Start-up Voltage/Hold-on Voltage vs. Output Current (Topt=25C) R1210N301C Start-up/Hold-on Voltage Vstart/Vhold (V) 2.0 R1210N301D Start-up/Hold-on Voltage Vstart/Vhold (V) 2.0 1.6 1.6 Vstart Vstart 1.2 1.2 0.8 Vhold 0.4 0.0 0 5 10 15 20 25 Output Current IOUT (mA) 30 0.8 Vhold 0.4 0.0 0 5 10 15 20 25 Output Current IOUT (mA) 30 R1210N501C Start-up/Hold-on Voltage Vstart/Vhold (V) 2.0 R1210N501D Start-up/Hold-on Voltage Vstart/Vhold (V) 2.0 1.6 1.6 Vstart Vstart 1.2 Vhold 0.8 1.2 Vhold 0.8 0.4 0.0 0 5 10 15 20 25 Output Current IOUT (mA) 30 0.4 0.0 0 5 10 15 20 25 Output Current IOUT (mA) 30 9 R1210Nxx1x 6) Output Voltage vs. Temperature R1210N301C 3.10 3.10 R1210N301D Output Voltage VOUT (V) 3.05 IOUT:10(mA) IOUT:30(mA) 3.00 IOUT:0(mA) 2.95 Output Voltage VOUT (V) 3.05 IOUT:30(mA) 3.00 IOUT:10(mA) IOUT:0(mA) 2.95 2.90 -50 -25 0 25 50 Temperature Topt (C) 75 100 2.90 -50 -25 0 25 50 Temperature Topt (C) 75 100 R1210N501C 5.15 5.10 5.15 5.10 R1210N501D Output Voltage VOUT (V) 5.05 5.00 4.95 4.90 4.85 -50 Output Voltage VOUT (V) IOUT:10(mA) IOUT:30(mA) IOUT:0(mA) 5.05 5.00 4.95 4.90 4.85 -50 IOUT:10(mA) IOUT:30(mA) IOUT:0(mA) -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 7) Supply Current 1 vs. Temperature R1210N301A 100 100 R1210N301D Supply Current ISS1 (A) 60 Supply Current ISS1 (A) 80 80 60 40 40 20 0 -50 20 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 10 R1210Nxx1x R1210N501C 120 100 Supply Current ISS1 (A) R1210N501D 120 100 85 60 40 20 0 -50 Supply Current ISS1 (A) 85 60 40 20 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 8) Supply Current2 vs. Temperature R1210N301A 25 25 R1210N221D Supply Current ISS2 (A) 15 Supply Current ISS2 (A) 20 20 15 10 10 5 0 -50 5 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 R1210N501C 25 25 R1210N601D Supply Current ISS2 (A) 15 Supply Current ISS2 (A) 20 20 15 10 10 5 0 -50 5 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 11 R1210Nxx1x 9) Standby Current vs. Temperature R1210N221A 1.0 1.0 Standby Current Istandby (A) R1210N221D 0.8 0.6 0.4 0.2 0.0 -0.2 -50 Standby Current Istandby (A) 0.8 0.6 0.4 0.2 0.0 -0.2 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 R1210N601C 1.0 1.0 Standby Current Istandby (A) R1210N601D 0.8 0.6 0.4 0.2 0.0 -0.2 -50 Standby Current Istandby (A) 0.8 0.6 0.4 0.2 0.0 -0.2 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 10) Oscillator Frequency vs. Temperature R1210N221A 300 300 R1210N221D Oscillator Frequency fosc (kHz) 250 200 150 100 50 0 -50 Oscillator Frequency fosc (kHz) 250 200 150 100 50 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 12 R1210Nxx1x R1210N601C 300 Oscillator Frequency fosc (kHz) 300 R1210N601D Oscillator Frequency fosc (kHz) 250 200 150 100 50 0 -50 250 200 150 100 50 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 11) Maximum Duty Cycle vs. Temperature R1210N221A 100 90 80 70 60 50 40 -50 100 90 80 70 60 50 40 -50 R1210N221D Maximum Duty Cycle (%) Maximum Duty Cycle (%) -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 R1210N601C 100 90 100 90 R1210N601D Maximum Duty (%) Maximum Duty (%) 80 70 60 50 40 -50 80 70 60 50 40 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 13 R1210Nxx1x 12) LX Switching Current vs. Temperature R1210N301A 500 500 LX Switching Current I_LXswitch (mA) R1210N501C LX Switching Current I_LXswitch (mA) 400 400 300 300 200 200 100 0 -50 100 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 R1210N221D 500 500 LX Switching Current I_LXswitch (mA) R1210N601D LX Switching Current I_LXswitch (mA) 400 400 300 300 200 200 100 0 -50 100 0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 13) LX leakage Current vs. Temperature R1210N221A 1.0 1.0 R1210N221D LX Leakage Current ILX_leak (A) 0.8 0.6 0.4 0.2 0.0 -0.2 -50 LX Leakage Current ILX_leak (A) 0.8 0.6 0.4 0.2 0.0 -0.2 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 14 R1210Nxx1x R1210N601C 1.0 1.0 LX Leakage Current ILX_leak (A) R1210N601D 0.8 0.6 0.4 0.2 0.0 -0.2 -50 LX Leakage Current ILX_leak (A) 0.8 0.6 0.4 0.2 0.0 -0.2 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 14) VLX Voltage Limit vs. Temperature R1210N301A 1.0 1.0 R1210N221D LX Voltage Limit VLXlim (V) 0.6 LX Voltage Limit VLXlim (V) 0.8 0.8 0.6 0.4 0.4 0.2 0.0 -50 0.2 0.0 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 R1210N501C 1.0 1.0 R1210N601D LX Voltage Limit VLXlim (V) 0.6 LX Voltage Limit VLXlim (V) -25 0 25 50 Temperature Topt (C) 75 100 0.8 0.8 0.6 0.4 0.4 0.2 0.0 -50 0.2 0.0 -50 -25 0 25 50 Temperature Topt (C) 75 100 15 R1210Nxx1x 15) CE "H" Input Voltage vs. Temperature R1210N221A 0.9 R1210N601C 0.9 CE"H" Input Voltage V_CE"H" (V) CE"H" Input Voltage V_CE"H" (V) 0.8 0.7 0.6 0.5 0.4 0.3 -50 0.8 0.7 0.6 0.5 0.4 0.3 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 16) CE "L" Input Voltage vs. Temperature R1210N221A 0.9 CE"L" Input Voltage V_CE"L" (V) R1210N601C 0.9 CE"L" Input Voltage V_CE"L" (V) 0.8 0.7 0.6 0.5 0.4 0.3 -50 0.8 0.7 0.6 0.5 0.4 0.3 -50 -25 0 25 50 Temperature Topt (C) 75 100 -25 0 25 50 Temperature Topt (C) 75 100 16 |
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