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参数资料
| 型号： | 5962-898780IEA |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 电源管理 |
| 英文描述： | 5-CHANNEL POWER SUPPLY SUPPORT CKT, CDIP16 |
| 封装： | CERAMIC, DIP-16 |
| 文件页数： | 1/5页 |
| 文件大小： | 114K |
| 代理商： | 5962-898780IEA |
11/91 Rev 1.3 9/02
LINFINITY Microelectronics Inc.
Copyright
1997
11861 Western Avenue
∞
∞ Garden Grove, CA 92841
1
(714) 898-8121
∞
∞ FAX: (714) 893-2570
SG1548/SG2548/SG3548
QUAD POWER FAULT MONITOR
DESCRIPTION
The SG1548 is an integrated circuit capable of monitoring up to four
positive DC supply voltages simultaneously for overvoltage and
undervoltage fault conditions.
An on-chip inverting op amp also
allows monitoring one negative DC voltage.
The fault tolerance
window is accurately programmable from ±5% to ±40% using a simple
divider network on the 2.5V reference. A single external capacitor sets
the fault indication delay, eliminating false outputs due to switching
noise, logic transition current spikes, and short-term AC line interrup-
tions. An additional comparator referenced to 2.5V allows the AC line
to be monitored for undervoltage conditions or for generation of a line
clock.
The comparator can also be used for programmable
undervoltage lockout in a switching power supply.
Uncommitted
collector and emitter outputs permit both inverting and non-inverting
operation. External availability of the precision 2.5V reference and
open-collector logic outputs permit expansion to monitor additional
voltage using available open-collector quad comparators.
FEATURES
Monitors four DC voltages and the AC line
Precision 2.5V ±1% low-drift reference
Fault tolerance adjustable from ±5% to ±40%
±3% trip threshold tolerance over temperature
Separate 10mA, 40V overvoltage, undervoltage
and AC line fault outputs
Fault delay programmable with a single capacitor
30mV comparator hysteresis to prevent oscilla-
tions
On-chip inverting op amp for negative voltage
Open-collector output logic or expandability
Operation from 4.5V to 40V supply
HIGH RELIABILITY FEATURES - SG1548
Available to MIL-STD-883
LMI level "S" processing available
BLOCK DIAGRAM
相关PDF资料 |
PDF描述 |
|---|---|
| 5962-89896012X | OP-AMP, 150 uV OFFSET-MAX, CQCC20 |
| 5962-8989601PA | OP-AMP, 150 uV OFFSET-MAX, CDIP8 |
| 5962-8989601PX | OP-AMP, 150 uV OFFSET-MAX, CDIP8 |
| 5962-8990403CA | QUAD COMPARATOR, 2000 uV OFFSET-MAX, CDIP14 |
| 5962-8990403CX | QUAD COMPARATOR, 2000 uV OFFSET-MAX, CDIP14 |
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| 5962-89896012A | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 5962-89905012A | 制造商:Texas Instruments 功能描述:Current Mode PWM Controller 1.5A 20-Pin LCCC 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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