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ISL6173 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL6173
部品説明 Dual Low Voltage Hot Swap Controller
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL6173 Datasheet, ISL6173 PDF,ピン配置, 機能
®
Data Sheet
January 3, 2006
ISL6173
FN9186.3
Dual Low Voltage Hot Swap Controller
This IC targets dual voltage hot swap applications across the
+2.5V to +3.3V (nominal) bias supply voltage range with a
second lower voltage rail down to less than 1V. It features a
charge pump for driving external N-Channel MOSFETs,
regulated current protection and duration, output undervoltage
monitoring and reporting, optional latch-off or retry response,
and adjustable soft-start.
The current regulation level (CR) for each rail is set by two
external resistors and each CR duration is set by an external
capacitor on the TIM pin. After the CR duration has expired
the IC then quickly pulls down the associated GATE(s)
output turning off its external FET(s). The ISL6173 offers a
latched output or indefinite auto retry mode of operation.
Ordering Information
PART NUMBER
(Note)
PART
MARKING
TEMP.
RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL6173DRZA ISL6173DRZ 0 to +85 28 Ld 5x5 QFN L28.5x5
ISL6173DRZA-T ISL6173DRZ 0 to +85 28 Ld 5x5 QFN L28.5x5
Tape & Reel
ISL6173EVAL3 Evaluation Platform
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
Pinout
ISL6173 (28 LD QFN) TOP VIEW
Features
• Fast Current Regulation amplifier quickly responds to
overcurrent fault conditions
• Less than 1µs response Time to Dead Short
• Programmable Current Regulation Level and Duration
• Two Levels of Overcurrent Detection Provide Fast
Response to Varying Fault Conditions
• Overcurrent Circuit Breaker and Fault Isolation functions
• Adjustable Current Regulation Threshold as low as 20mV
• Selectable Latch-off or Auto Retry Response to Fault
conditions
• Adjustable voltage ramp-up for In-rush Protection During
Turn-On
• Rail Independent Control, Monitoring and Reporting I/O
• Dual Supply Hot Swap Power Distribution Control to <1V
• Charge Pump Allows the use of N-Channel MOSFETs
• QFN Package:
- Compliant to JEDEC PUB95 MO-220
QFN - Quad Flat No Leads - Package Outline
- Near Chip Scale Package footprint, which improves
PCB efficiency and has a thinner profile
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Power Supply Sequencing, Distribution and Control
• Hot Swap/Electronic Breaker Circuits
V1(in)
Rsns1
V1(out)
28 27 26 25 24 23 22
SNS1 1
21 SNS2
VO1 2
20 VO2
SS1 3
19 SS2
GT1 4
18 GT2
FLT1 5
17 FLT2
PG1 6
16 PG2
CT1 7
15 CT2
8 9 10 11 12 13 14
EN1 EN2
RTR/LTCH
BIAS
CPQ+
VS1
SNS1
GT1 VO1
UV1
PG1
FLT1
SS1
CPQ-
CPVDD
ISL6173
OCREF
SS2
FLT2
PGND
PG2
GND
UV2
CT1 CT2 VS2 SNS2 GT2 VO2
V2(in)
Rsns2
FIGURE 1. TYPICAL APPLICATION
V2(OUT)
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2004-2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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