SPX3940AM3-5.0 Sipex Corporation, SPX3940AM3-5.0 Datasheet
SPX3940AM3-5.0
Manufacturer Part Number
SPX3940AM3-5.0
Description
Manufacturer
Sipex Corporation
Datasheets
1.SPX3940AM3-5.0.pdf
(7 pages)
2.SPX3940AM3-5.0.pdf
(11 pages)
3.SPX3940AM3-5.0.pdf
(10 pages)
Specifications of SPX3940AM3-5.0
Case
SOT-223
Date_code
03
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SPX3940AM3-5.0
Manufacturer:
SIPEX
Quantity:
18
Company:
Part Number:
SPX3940AM3-5.0
Manufacturer:
SIPEX
Quantity:
356
FEATURES
• Output Accuracy 3.3V, @ 1A Output
• Very Low Quiescent Current
• Low Dropout Voltage
• Extremely Tight Load And Line Regulation
• Very Low Temperature Coefficient
• Current & Thermal Limiting
• Error Flag Warns Of Output Dropout
PRODUCT DESCRIPTION
The SPX3940/41/42 is a low power voltage regulator. This device is an excellent choice for battery-powered applications such as
cordless telephones, radio control systems and portable computers. The SPX3940/41/42 features very low quiescent current (100µA
Typ.) and very low dropout voltage. This includes a tight initial tolerance of 1% max and 2% max., and very low output temperature
coefficient, making the SPX3940/41/42 useful as a low-power voltage reference.
The error flag output feature is used as power-on reset for warning of a low output voltage, due to a falling voltage input of batteries.
Another feature is the logic-compatible shutdown input which enables the regulator to be switched on and off. The SPX3940/41/42 is
offered in 3-pin and 5-pin TO-220 package SOT-223, and surface mount TO-263 packages.
The regulator output voltage (of the 8-pin SO-8 and 5-pin TO-220 & TO-263) may be pin-strapped for a 3.3V or programmed from
1.24V to 29V with an external pair of resistors.
TO-263-5 Package
1 2 3 4 5
SPX3941/42
Top View
1)
2)
3)
4)
5)
Five Lead Package Pin Functions:
SPX3941
ERROR
INPUT
GND
OUTPUT
SHUTDOWN
ADJUST
SHUTDOWN
GND
INPUT
OUTPUT
SPX3942
TO-220-5 Package
SPX3941/42
Top View
1
2
PIN CONNECTIONS
3
4
5
1A Low Drop Out Voltage Regulator
TO-252 Package
SOT-223 Package
Front View
V
1
Front View
IN
SPX3940
APPLICATIONS
• Battery Powered Systems
• Cordless Telephones
• Radio Control Systems
• Portable/Palm Top/Notebook Computers
• Portable Consumer Equipment
• Portable Instrumentation
• Automotive Electronics
• SMPS Post-Regulator
• Voltage Reference
GND/
ADJ
2
3
2
1
V
OUT
3
ADJ/GND
V
V
OUT
IN
(PRELIMINARY INFORMATION)
TO-220 Package
Front View
Front View
SPX3940
SPX3940/41/42
TO-263Package
with Shutdown
Rev. 12/19/00
3
2
1
GND/ ADJ
V
V
OUT
GND/ ADJ
IN
V
V
OUT
IN
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