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AMC7588 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - ADJUSTABLE 3A LOW DROPOUT REGULATOR - ADD Microtech

भाग संख्या AMC7588
समारोह ADJUSTABLE 3A LOW DROPOUT REGULATOR
मैन्युफैक्चरर्स ADD Microtech 
लोगो ADD Microtech लोगो 
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AMC7588 pdf
AMC DOC. #: AMC7588_E (LF)
Feb. 2005
AMC7588
ADJUSTABLE 3A LOW DROPOUT REGULATOR
TYPICAL APPLICATION
VIN AMC7588 - ADJ
*C1
10µF
ADJ
VOUT = VREF (1+(R2/R1)) + IADJR2
VOUT
R1
1% **C2
22µF
R2
1% * REQUIRED IF REGULATOR IS
LOCATED FAR FROM POWER
SUPPLY FILTER
** DESIGN C2 AS CLOSE TO VOUT PIN
AS POSSIBLE
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Voltage (VIN)
Operating Junction temperature
7V
150 OC
Storage Temperature Range
-65 OC to 150 OC
Lead temperature (Soldering, 10 seconds)
300 OC
Note 1: 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.
Package
T
θJA
(OC /W )
45
POWER DISSIPATION TABLE
De-rating factor ( mW/ OC )
TA 25 OC
TA=70 OC
TA 25 OC
Power rating(mW) Power rating(mW)
22.2
2775
1776
TA= 85 OC
Power rating (mW)
1443
TF 45
22.2
2775
1776
1443
ST 45
22.2
2775
1776
1443
STF 45
22.2
2775
1776
1443
SJ 80
12.5
1562
1000
812
SJF 80
12.5
1562
1000
Note :
1. θJA: Thermal Resistance-Junction to Ambient, DF : De-rating factor, Po: Power consumption.
Junction Temperature Calculation: TJ = TA + (PD × θJA), Po = DF × (TJ - TA)
The θJA numbers are guidelines for the thermal performance of the device/PC-board system.
All of the above assume no ambient airflow.
812
2. θJT: Thermal Resistance-Junction to Tab, TC: case(Tab) temperature, TJ = TC + (PD × θJT)
For T and ST packages, θJT = 3.0 OC / W.
For SJ, packages, θJT = 7.0 OC / W.
3. If power consumption is over above rating, adequate heat sink is required to dissipate heat.
Copyright © 2002, ADD Microtech Corp.
2
www.addmtek.com

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