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SPX1582 Datasheet(PDF) 2 Page - Sipex Corporation

Part No. SPX1582
Description  3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
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 2 page
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Date:5/25/04
SPX1582 3A Ultra Low Dropout Voltage Regulator
©Copyright 2004 Sipex Corporation
Power Dissipation ..................................... Internally Limited
Lead Temp. (Soldering, 10 Seconds) ......................... 300°C
Storage Temperature Range ..................... -65°C to +150°C
Operating Junction Temperature Range
SPX1582 Control Section ............................. 0°C to +125°C
SPX1582 Power Transistor .......................... 0°C to +150°C
ELECTRICAL CHARACTERISTICS
Electrical characteristics at VOUT = VSENSE, VADJ = 0V, TA=25°C, CCTL = CPWR = COUT = 33µF tantalum cap otherwise specified.
The
♦ denotes the specifications which apply over full temperature range -40°C to +85°C, unless otherwise specified.
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
2.5V Version
Output Voltage
2.450
2.5
2.550
V
VCTRL = 6.0V to 12V, VIN = 3.0V to 5.0V, IO =10mA
2.400
2.600
♦ IO = 10mA to 3A
2.8V Version
Output Voltage
2.744
2.8
2.856
V
VCTRL = 6.3V to 12V, VIN =3.3V + 0.8V, IO=10mA
2.688
2.912
♦ IO = 10mA to 3A
3.3V Version
Output Voltage
3.234
3.3
3.366
V
VCTRL = 6.3V to 12V, VIN = 3.3V + 0.8V, IO=10mA
3.168
3.3
3.432
♦ IO = 10mA to 3A
All Voltage Options
Reference Voltage
1.238
1.25
1.263
V
VCTRL = 2.75V, VIN = 2.00V, IO = 10mA
VCTRL=2.7V to 12V,VIN = 2.05V to 5.5V,IO=10mA to 7A
Line Regulation
mV
VCTRL = 2.5V to 12V, VIN = 1.75 to 5.5V, IO=10mA
1.0
3.0
♦ V
ADJ = 0V
Load Regulation (Note 1)
1.0
5.0
mV
♦ VCTRL = 2.75V, VIN = VOUT + 1.5V, IO=10mA to 3A, VADJ =
0V
Dropout Voltage Min. VCTRL
1.05
1.18
V
VADJ = 0V
(Note 2) (VIN - VOUT)VIN = 2.05V, IO = 1A
Dropout Voltage Min. VIN
0.40
0.50
V
VADJ = 0V
(Note 2) (VIN - VOUT)VIN = 2.75V, IO = 3A
Current Limit
3.1
A
VCTRL = 2.75V, VIN = 2.05V, ∆ VOUT = 100mV, VADJ = 0V
Minimum Load Current
5
10
mA
♦ VCTRL = 5V, VIN=3.3V, VADJ=0V
Thermal Regulation
0.002
0.02
%/W
30ms Pulse
Ripple Rejection
60
80
dB
VCTRL = 3.75V, VIN = 3.75V, IO = 2.3A, VADJ=0V
TJ=25, VRIPPLE=1Vpp at 120Hz
Control Pin Current
60
120
mA
♦ VADJ = 0V
VCTRL = 2.75V, VIN = 2.05V, IO = 3A
Adjustble Pin Current
50
µAVCTRL = 2.75V, VIN = 2.05V, VADJ=0V, IO = 10mA
120
Thermal Resistance
3
°C/W
Junction to Case (θJC)
TO-220-5
50
°C/W
Junction to Ambient (θJA)
Thermal Resistance
3
°C/W
Junction to Case (θJC)
TO-263-5
60
°C/W
Junction to Ambient (θJA)
Input Supply Voltage ..................................................... 6V
V
CTRL Input Voltage ....................................................... 13V
ABSOLUTE MAXIMUM RATINGS
Note 1: Low duty cycle pulse testing with Kelvin connections is required to order to maintain accurate data.
Note 2: Dropout voltage is defined as the minimum differential between VIN and VOUT or VCTRL and VOUT required to
maintain regulation at VOUT 95% Nominal VOUT.
Note 3: VREF is measured across Adjust pin to Sense pin.




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