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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4244IGN датащи(PDF) 28 Page - Linear Technology |
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LTC4244IGN датащи(HTML) 28 Page - Linear Technology |
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28 / 28 page  28 LTC4244/LTC4244-1 42441f PART NUMBER DESCRIPTION COMMENTS LTC1421 Hot Swap Controller Dual Supplies from 3V to 12V, Additional –12V LTC1422 Hot Swap Controller Single Supply Hot Swap in SO-8 from 3V to 12V LT1640AL/LT1640AH Negative Voltage Hot Swap Controllers in SO-8 Negative High Voltage Supplies from –10V to –80V LT1641-1/LT1641-2 Positive Voltage Hot Swap Controllers in SO-8 Supplies from 9V to 80V, Latch Off/Autoretry LTC1642 Fault Protected Hot Swap Controller 3V to 15V, Overvoltage Protection Up to 33V LTC1643AL/LTC1643AL-1 PCI Bus Hot Swap Controllers 3.3V, 5V, 12V, –12V Supplies for PCI Bus LTC1643AH LTC1644 Compact PCI Bus Hot Swap Controller 3.3V, 5V, ±12V, Local Reset Logic and Precharge LTC1645 2-Channel Hot Swap Controller Operates from 1.2V to 12V, Power Sequencing LTC1646 Dual CompactPCI Hot Swap Controller 3.3V, 5V Supplies Only LTC1647 Dual Hot Swap Controller Dual ON Pins for Supplies from 3V to 15V LTC4211 Hot Swap Controller with Multifunction Current Control Single Supply, 2.5V to 16.5V, MSOP LTC4240 CompactPCI Hot Swap Controller I2C Interface Allows Control and Readback of Device Functions LT4250 –48V Hot Swap Controller in SO-8 –20V to –80V, Active Current Limiting LTC4251 –48V Hot Swap Controller in SOT-23 Floating Supply, Active Current Limiting and Fast Circuit Breaker LT/TP 0204 1K • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2003 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 q FAX: (408) 434-0507 q www.linear.com RELATED PARTS TYPICAL APPLICATIO 3.3VIN 12VIN 12VOUT VEEIN OFF/ON Z4 5VIN R4 10 Ω CLOAD(5VOUT) VOUT 5V 5A VOUT 3.3V 7A R5 1k C1 0.33 µF R3 10 Ω R1 0.005 Ω R2 0.007 Ω Q1 IRF7457 Q2 IRF7457 3.3VOUT 3.3VSENSE GND PRECHARGE 5VIN 5VSENSE DRIVE R9 24 Ω 1V ±10% Q3 MMBT2222A C3 4.7nF VIN 3.3V 4244 F17 LTC4244-1 GATE 5VOUT + CLOAD(3.3VOUT) + VOUT 12V 500mA CLOAD(12VOUT) + VEEOUT TIMER RESETOUT I/O #1 I/O #128 VOUT 3.3V C2 0.082 µF Z3 Z2 R17 10k 3.3VIN R22 2.7 Ω C9 0.01 µF PER POWER PIN C7 0.01 µF C8 0.01 µF PER POWER PIN R21 1.8 Ω R19 1k FAULT PWRGD RESETIN R18 10k R20 1.2k R8 1k R7 12 Ω R6 10k R10 18 Ω R11 10k R13 10 Ω R14 10 Ω • • • • • • • • • R12 10k R15 1 Ω C4 0.01 µF I/O DATA LINE 1 I/O DATA LINE 128 Z1, Z2: SMAJ12A Z3, Z4: SMAJ5.0A I/O PIN 128 RESET# PCI BRIDGE CHIP I/O PIN 1 GROUND PCI_RST# LOCAL_PCI_RST# HEALTHY# LONG V(I/O) BD_SEL# 12V LONG 3.3V LONG 5V 3.3V 5V Figure 17. Typical LTC4244-1 Application |
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