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All rights reserved. 12/02/02 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com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alifornia Micro Devices Corp. All rights reserved. 2 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com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alifornia Micro Devices Corp. All rights reserved. 12/02/02 430 N. 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All rights reserved. 4 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com 12/02/02 &0 3HUIRUPDQFH ,QIRUPDWLRQ &0 7\SLFDO '& &KDUDFWHULVWLFV QRPLQDO FRQGLWLRQV XQOHVV VSHFLILHG RWKHUZLVH VCC Supply Current vs. Voltage 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 1 2 3 4 VCC Input Voltage [V] 5 6 0.5 VAUX Supply Current vs. Voltage Supply Current [mA] Supply Current [mA] 0.4 0.3 0.2 0.1 0.0 0 1 2 3 VAUX Input Voltage [V] 4 Ground Current vs. Output Load Line Regulation 3.4 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0 100 200 300 Load Current [mA] 400 Regulator Output Voltage [V] Ground Current [mA] 3.3 5mA 3.2 400mA 3.1 3.0 3.5 4 4.5 5 Line Voltage [V] 5.5 6 2002 California Micro Devices Corp. All rights reserved. 12/02/02 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com 5 &0 3HUIRUPDQFH ,QIRUPDWLRQ FRQWG &0 7\SLFDO '& &KDUDFWHULVWLFV FRQWG QRPLQDO FRQGLWLRQV XQOHVV VSHFLILHG RWKHUZLVH Load Regulation (5V supply) Foldback Current Limit Protection Regulator Output Voltage [V] Regulator Output Voltage [V] 3.45 3.40 3.35 3.30 3.25 3.20 3.15 0 100 200 300 400 Load Current [mA] 500 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 100 200 300 400 Output Current [mA] 500 600 Regulator Dropout Characteristics 1.2 Switch Resistance vs. VAUX supply 0.40 ON Resistance [ ] [ 0 100 200 300 Load Current [mA] 400 1.0 Dropout Voltage [V] 0.35 0.8 0.6 0.4 0.2 0.0 0.30 0.25 0.20 3.0 3.1 3.2 3.3 3.4 3.5 VAUX Input Voltage [V] 3.6 2002 California Micro Devices Corp. All rights reserved. 6 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com 12/02/02 &0 3HUIRUPDQFH ,QIRUPDWLRQ FRQWG &0 7UDQVLHQW &KDUDFWHULVWLFV QRPLQDO FRQGLWLRQV XQOHVV VSHFLILHG RWKHUZLVH 9&& VRXUFH UHVLVWDQFH VHW WR VCC Cold Start (Load = 400mA) VCC Full Power Down (Load = 400mA) VAUX Cold Start (Load = 400mA) VAUX Full Power Down (Load = 400mA) 2002 California Micro Devices Corp. All rights reserved. 12/02/02 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com 7 &0 3HUIRUPDQFH ,QIRUPDWLRQ FRQWG &0 7UDQVLHQW &KDUDFWHULVWLFV FRQWG QRPLQDO FRQGLWLRQV XQOHVV VSHFLILHG RWKHUZLVH 9&& VRXUFH UHVLVWDQFH VHW WR VCC power up (VAUX = 3.3V, Load = 300mA) VCC power down (VAUX = 3.3V, Load = 300mA) Load Transient Response (10% - 90% rated) Line Transient (1Vpp) Response 2002 California Micro Devices Corp. All rights reserved. 8 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com 12/02/02 &0 3HUIRUPDQFH ,QIRUPDWLRQ FRQWG &0 7\SLFDO 7KHUPDO &KDUDFWHULVWLFV 7KH RYHUDOO MXQFWLRQ WR DPELHQW WKHUPDO UHVLVWDQFH -$ IRU GHYLFH SRZHU GLVVLSDWLRQ 3' FRQVLVWV SULPD ULO\ RI WZR SDWKV LQ VHULHV 7KH ILUVW SDWK LV WKH MXQFWLRQ WR WKH FDVH -& ZKLFK LV GHILQHG E\ WKH SDFNDJH VW\OH VOUT Variation with TAMB (400mA Load) DQG WKH VHFRQG SDWK LV FDVH WR DPELHQW &$ WKHUPDO UHVLVWDQFH ZKLFK LV GHSHQGHQW RQ ERDUG OD\RXW 7KH ILQDO RSHUDWLQJ MXQFWLRQ WHPSHUDWXUH IRU DQ\ VHW RI FRQ GLWLRQV FDQ EH HVWLPDWHG E\ WKH IROORZLQJ WKHUPDO HTXD WLRQ 7-81& 7$0% 7$0% 3' 3' Regulator Output Voltage [V 3.32 3.31 3.30 -& -$ 3' &$ 3.29 3.28 20 30 40 50 o Temperature [ C] 60 70 7KH &0 XVHV D WKHUPDOO\ HQKDQFHG SDFNDJH ZKHUH DOO WKH *1' SLQV WKURXJK DUH LQWHJUDO WR WKH OHDGIUDPH :KHQ WKLV SDFNDJH LV PRXQWHG RQ D GRXEOH VLGHG SULQWHG FLUFXLW ERDUG ZLWK WZR VTXDUH LQFKHV RI FRSSHU DOORFDWHG IRU KHDW VSUHDGLQJ WKH UHVXOWLQJ -$ LV DERXW &: Threshold Voltage [V] Select/Deselect Threshold Variation with TJUNCT 4.55 4.50 4.45 4.40 4.35 4.30 4.25 4.20 25 50 75 100 125 o Temperature [ C] 150 Vdeselect Vselect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n Resistance ] [ VAUX Switch Resistance vs TAMB 0.37 0.35 0.33 0.31 0.29 0.27 0.25 20 30 40 50 o Temperature [ C] 60 70 2002 California Micro Devices Corp. All rights reserved. 12/02/02 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com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alifornia Micro Devices Corp. All rights reserved. 10 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com 12/02/02 |
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