Datasheet LTC1921 (Analog Devices) - 10

制造商Analog Devices
描述Dual –48V Supply and Fuse Monitor
页数 / 页12 / 10 — TYPICAL APPLICATIO S. Controller. 48V Telecom Supply Monitor and Hot Swap …
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TYPICAL APPLICATIO S. Controller. 48V Telecom Supply Monitor and Hot Swap –. Complete

TYPICAL APPLICATIO S Controller 48V Telecom Supply Monitor and Hot Swap – Complete

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LTC1921
U TYPICAL APPLICATIO S
5V µF C7 100 16V + 9 8 7 6 5 + + – – 1921 TA02 OUT OUT V TRIM V SENSE SENSE 3 CASE LUCENT JW050A1-E + – IN IN V ON/OFF V 1 2 µF 4 C6 0.1 100V µF C5 100 100V + µF C4 0.1 100V + – OUT OUT V V R7 51k 5% MOC207
Controller
+ CASE – LUCENT IN IN V FLTR100V10 V
TM
C3 µF 0.1 100V 1N4003 Ω R3 1k 5% R2 10 5% Q1 IRF530 C2 15nF 100V C1 470nF 25V 1 7 6 5 Ω GATE DRAIN SENSE R8 100 PWRGD 8 Ω DDV R1 5% LT4250L 0.02 4 EE C8 V UV OV 100nF 100V 3 2
48V Telecom Supply Monitor and Hot Swap –
R4 1% R5 1% R6 10k 1% 549k 6.49k * = DIODES INC. B3100
Complete
* DIODES INC. SMAT70A FUSE STATUS SUPPLY A STATUS SUPPLY B STATUS MOC207 MOC207 MOC207 R11 47k 1/4W 4 5 6 OUT F OUT A OUT B 3 RTN LTC1921 A B V V FUSE A FUSE B 1 8 2 7 R10 10k 1W R9 10k 1W 3A 3A 48V – RTN 48V A 48V B Hot Swap is a trademark of Linear Technology Corporation – – 1921f 10