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SPX2954AN-5-0

Description
250mA Low Dropout Voltage Regulator
CategoryPower/power management    The power supply circuit   
File Size206KB,17 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet Parametric View All

SPX2954AN-5-0 Overview

250mA Low Dropout Voltage Regulator

SPX2954AN-5-0 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerSIPEX
package instructionTO-92, 3 PIN
Reach Compliance Codeunknow
Maximum drop-back voltage 10.5 V
Maximum input voltage30 V
Minimum input voltage6 V
JESD-30 codeO-PBCY-W3
JESD-609 codee0
Number of functions1
Number of terminals3
Working temperatureTJ-Max125 °C
Operating temperatureTJ-Mi-40 °C
Maximum output current 10.25 A
Maximum output voltage 15.075 V
Minimum output voltage 14.925 V
Nominal output voltage 15 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-92
Package shapeROUND
Package formCYLINDRICAL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mountNO
Terminal surfaceTIN LEAD
Terminal formWIRE
Terminal locationBOTTOM
Maximum time at peak reflow temperatureNOT SPECIFIED
®
SPX2954
250mA Low Dropout Voltage Regulator
FEATURES
5.0V and 3.3V Versions at 250mA
Output
Accurate 0.5% for SPX2954A
Very Low Quiescent Current
Low Dropout: 310mV at 250mA
Extremely Tight Load and Line Regulation
Very Low Temperature Coefficient
Current and Thermal Limiting
Need only 1µF for Stability
Direct Replacement for LP2954
Offered in TO-92, TO-263, SOT-223, &
TO-220; also SOIC--8
Pin Versions Only
Error Flag Warns of Output Dropout
Logic-Controlled Electronic Shutdown
Programmable Output from 1.24V to 30V
+V
IN
100K
ERROR
OUTPUT
5
8
______
ERROR
+V
IN
V
OUT
1
1.2 to 30V
SPX2954
SHUTDOWN
INPUT
3
SD
GND
4
R
1
FB
7
+
3.3µF
.01µF
1.23V
V
REF
R
2
DESCRIPTION
The SPX2954 and SPX2954A are low power voltage regulators. These devices are an excellent
choice for use in battery-powered applications such as cordless telephones, radio control
systems, and portable computers. The SPX2954 and SPX2954A feature low quiescent current
and low dropout voltage (typ. 20mV at 100µA and 310mV at 250mA). This includes a tight initial
tolerance (0.5% for SPX2954A), extremely good load and line regulation (0.05% typ.), and very
low output temperature coefficient (20 ppm/°C typ.), making the SPX2954/SPX2954A useful as
a low-power voltage reference.
The error flag output feature is used as a power-on reset for warning of a low output voltage, due
to a falling input voltage. The logic-compatible shutdown feature enables the regulator to be
switched ON and OFF. The SPX2954/SPX2954A is offered in 3-pin TO-92, TO-263, SOT-223
and TO-220 packages, and 8 pin SOIC package.
Note:: Tab is internally connected to GND on T0-263, SOT-223, and TO-220-3.
TO-263-3 Package (T)
TO-263-5 Package (T5)
8-Pin Surface Mount (S)
1
2
SPX2954
8
7
6
5
INPUT
FEEDBACK
5V, 3.3V TAP
OUTPUT
TO-92 (N)
1
2
3
SOT-223 Package (M3)
TO-220-3 Package (U) TO-220-5 Package (U5)
OUTPUT
SPX2954
1
2
3
1
SPX2954
SENSE
SPX2954
1
INPUT
GND
2
3
SHUTDOWN
1) INPUT
3
2 3 4 5
2) OUTPUT
GND
3) GND
4
4) SHUTDOWN
5) ERROR
Top View
SPX2954
SPX2954
1) INPUT
2) OUTPUT
ERROR
Bottom View
V
IN
GND
V
OUT
Front View
1 2 3
V
IN
GND V
OUT
1 2 3 4 5
3) GND
4) SHUTDOWN
5) ERROR
V
IN
GND
V
OUT
Top View
Top View
Front View
Front View
Pin Connections
Date: 12/9/05
SPX2954, 250mA Low Dropout Voltage Regulator
© Copyright 2005 Sipex Corporation
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