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International Rectifier Electronic Components Datasheet

OM7581SC Datasheet

10A Adjustable Positive Linear Regulator Thru-Hole

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OM7581SC pdf
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PD - 94772
Ultra Low Dropout, 10A
Adjustable Positive Linear Regulator
Thru-Hole (C6)
OM7581SC
5962 - 0323702MZA
Product Summary
Part Number Output Voltage
OM7581SC
+1.8V to +5.5V
Current
10A
Dropout
0.66V
Description
The OM7581SC is a 10A, ultra low dropout, adjust-
able linear regulator specifically designed for low
voltage, high current applications. Housed in a her-
metic package, the dropout of this device is 660mV
at full load and as low a 100mV at light loads. The
low dropout is achieved by an additional low cur-
rent input voltage. This unit is ideally suited for mili-
tary/defense, commercial aircraft, industrial control
and other harsh environments where a hermetically
sealed package is required.
C-6
Features:
Dropout Voltage of 660mV at Full Load
Dropout Voltage of 100mV at Light Loads
Fast Transient Response
Adjustable Output: 1.8 to 5.5V
Remote Sense
Hermetic C-6 Package ensures
High Reliability
Absolute Maximum Ratings
Parameter
Output Currrent
Power Input Voltage
Control Input Voltage
Power Dissipation @ Tc = 25°C
Thermal Resistance, Junction to Case
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature Soldering (10second maximum)
Symbol
IO
VPWR
VCTRL
PD
RθJC
TJ
TSTG
TL
Value
10
6.0
13
20
5.0
-55 to +125
-65 to +150
300
Units
A
V
W
°C/W
°C
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1
12/03/03


International Rectifier Electronic Components Datasheet

OM7581SC Datasheet

10A Adjustable Positive Linear Regulator Thru-Hole

No Preview Available !

OM7581SC pdf
www.DataSheet4U.com
OM7581SC
Electrical Characteristics @TA = 25°C (Unless Otherwise Specified)
Parameter
Test Conditions
Min. Typ. Max. Units
Reference Voltage VCTRL = 2.7V, VPWR = 2.0V, ILOAD = 10mA
1.243 1.250 1.257
VADJ= 0V
Line Regulation
VCTRL=2.7 to 12V, VPWR=1.75V to 5.5V, ILOAD =10mA to 10A Q 1.237 1.250 1.263
VCTRL = 2.5 to 12V, VPWR = 3.0V to 5.5V, ILOAD = 1.0mA Q
-- 1.0 3.0
Load Regulation
VCTRL = 2.75V, VPWR = 2.75V, ILOAD = 10mA to 10A Q
-- 1.0 10
Minimum Load Current VCTRL = 5.0V, VPWR = 3.3V, VADJ= 0V QR
-- 3.0 10
Ground Pin Current VCTRL = 5.0V, VPWR = 3.3V, ILOAD = 0mA Q
-- 6.0 10
Control Pin Current SVCTRL= 2.75V, VPWR= 2.75V, ILOAD= 10A Q
-- -- 170
Adjust Pin Current
VCTRL= 2.75V, VPWR = 2.05V, ILOAD = 10mA
-- 50 120
VADJ= 0V
Ripple Rejection
VCTRL = VPWR = 5.0V (AVG), VRIPPLE = 1.0VP-P, f= 120Hz
IOUT = 4.0A TJ = 25°C
60 80 --
Current Limit
VCTRL= 2.75V, VPWR= 2.75V, VOUT = 100mV, TJ = 25°C
10.1
VCTRL=2.75V, VPWR=2.75V, VOUT=100mV, TJ=-55°C & TJ=+125°C 10.1
11
--
--
--
V
mV
mA
µA
dB
A
Minimum VCONTROL
Minimum VPWR
Thermal Regulation
VPWR = 3.3V, ILOAD = 10A Q
VCTRL = 2.75V, ILOAD = 10A, TJ = 25°C
VCTRL = 2.75V, ILOAD = 10A, TJ = 125°C
VCTRL = 2.75V, ILOAD =10A, TJ = -55°C
VPWR = 5.0V, IO = 10A, PD 20W, pulse width = 30ms
-- -- 1.35
-- -- 0.66 V
-- -- 0.85
-- -- 0.85
-- -- 0.02 %/W
Dropout is caused by either minimum control voltage or minimum power voltage. Both
Dropout Voltage
parameters are specified with respect to the output voltage. The specifications represent the
minimum input/output voltage required to maintain 1% regulation.
Footnotes
Q- Denotes specifications which apply over the full operating temperature range.
R- The minimum load current is minimum current required to maintain regulation. Normally the current in
the resistor divider used to set the output voltage is selected to meet the minimum load current
requirement.
S- The control pin current is the drive current required for the output transistor. The control pin current is
approximately 0.01% output current. The minimum value is equal to quiescent current of the device.
2
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Part Number OM7581SC
Description 10A Adjustable Positive Linear Regulator Thru-Hole
Maker International Rectifier
Total Page 4 Pages
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