AMC DOC. #: AMC7585_E (LF)
AMC7585
Feb
2005
5A LOW DROPOUT REGULATOR
Copyright
© 2002, ADD Microtech Corp.
3
www.addmtek.com
ABSOLUTE MAXIMUM RATINGS
(Note)
Input Voltage (VIN)
7V
Operating Junction temperature
150
OC
Storage Temperature Range
-65
OC to 150 OC
Lead temperature (Soldering, 10 seconds)
300
OC
Note:
Exceeding these ratings could cause damage to the device.
All voltages are with respect to Ground.
Currents are positive into, negative out of the specified terminal.
POWER DISSIPATION TABLE
Package
θ
JA
(
OC /W )
Derating factor ( mW/
OC )
TA ≥ 25
OC
TA ≤ 25
OC
Power rating(mW)
TA=70
OC
Power rating(mW)
TA= 85
OC
Power rating (mW)
T
45
22.2
2775
1776
1443
TF
45
22.2
2775
1776
1443
ST/ST3
45
22.2
2775
1776
1443
ST/ST3F
45
22.2
2775
1776
1443
SJ
80
12.5
1562
1000
812
SJF
80
12.5
1562
1000
812
Note:
TJ = TA + (PD × θJA)
P
D: Power dissipation.
θ
JA: Thermal resistance from Junction to Ambient.
For T and ST/ST3 packages,
θ
JT = 3.0
OC / W.
For SJ package,
θ
JT = 7.0
OC /W.
TJ = TTAB + (PD × θJT)
TTAB: Tab temperature.
θ
JT:
Thermal resistance from junction to tab of the package.
1.
The
θ
JA numbers are guidelines for the thermal performance of the device/PC-board system.
2.
All of the above assume no ambient airflow.
3.
If power consumption is over above rating, adequate heat sink is required to dissipate heat.
RECOMMENDED OPERATING CONDITIONS
Recommended Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
Units
Input Voltage
VIN
2.75
7
V
Load Current (with adequate heatsinking)
I
O
0.010
5
A
Input Capacitor (VIN to GND)
1
µF
Output Capacitor with ESR of 10
Ω max., (V
OUT to GND)
10
µF
Operating Ambient Temperature Range
0
70
OC
Operating junction temperature
TJ
125
OC
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