参数资料
型号: APL6536KI-TR
厂商: Anpec Electronics Corporation
英文描述: Four-Channel Supervisory IC
中文描述: 四通道监控IC
文件页数: 1/13页
文件大小: 191K
代理商: APL6536KI-TR
Four-Channel Supervisory IC
Copyright
ANPEC Electronics Corp. Rev.
A.4 - Mar., 2005
APL6536
www.anpec.com.tw
1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain
the latest version of relevant information to verify before placing orders.
Features
General Description
Applications
Graphics Cards
Portable Battery-Powered Equipment
μ
P Voltage Monitoring
Set-Top Boxes
Notebook Computer
Multiple Supply System
2.6V to 5.5V Input Voltage Range
Low Quiescent Current : less than 50
μ
A
High Accuracy Detection Threshold :
±
1.6%
Adjustable Undervoltage Lockout for Each
Supply
Active high PGOOD Output
Guaranteed PGOOD Valid to Falling V
CC
< 1V
VMON Glitch Immunity : 30
μ
s
Lead Free Available (RoHS Compliant)
Pinouts
°
The APL6536 is a four channel supervisory IC de-
signed to monitor voltage supplies in
μ
P and digital
system. This IC can supervise any positive voltage
using an external resistor divider to translate to a lower
voltage for comparison to the internal 0.633V reference.
Once any VMON input falls below 0.633V the PGOOD
output is pulled low, the hysteresis of the internal ref-
erence is 15mV. The PGOOD pin has an internal
20k
pull-up to V
CC
making an external pull-up resis-
tor unnecessary. Each rail’s VMON point is indepen-
dently adjustable with a resistor divider. The PGOOD
output is guaranteed to be valid with IC bias lower
than 1V. This IC is designed to reject fast line tran-
sient glitches 30
μ
s on VMON input. The PGOOD out-
put is an open-drain to allow ORing of multiple signals.
If less than four voltages are being monitored, connect
the unused VMON pins to V
CC
. The ENABLE input
pin provides for a reset of the PGOOD output when it
is pulled down below 0.5V. With an internal 10
μ
A
pull-up to V
CC,
it can be signaled with common logic or
pulled to ground with a push button switch. APL6536
come in a miniature SOP-8 package.
PGOOD
VMON2
1
2
3
8
6
4
7
5
VMON1
GND
ENABLE
Vcc
VMON4
VMON3
SOP-8 Top View
APL6536
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