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AL8400 /AL8400Q
Pin Descriptions
Pin
Number
1
2
3
4
5
Name
E1
GND
V CC
FB
OUT
Function
Emitter Connection. Connect to GND.
Analog Ground. Ground return for reference and amplifier. Connect to E1.
Supply Input. Connect a 0.47 μ F ceramic capacitor close to the device from V CC to GND.
Feedback Input. Regulates to 200mV nominal.
Output. Connect a capacitor close to device between OUT and GND. See the Applications Information section.
Functional Block Diagram
Figure 1 Block Diagram
Absolute Maximum Ratings (@T A = +25°C, unless otherwise specified.)
Symbol
V CC
V OUT
V FB
V E1
T J
T ST
Parameter
Supply Voltage Relative to GND
OUT Voltage Relative to GND
FB Voltage Relative to GND
E1 Voltage Relative to GND
Operating Junction Temperature
Storage Temperature
Rating
20
20
20
-0.3 to+0.3
-40 to 150
-55 to 150
Unit
V
V
V
V
°C
°C
These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure.
Operation at the absolute maximum rating for extended periods may reduce device reliability.
Package Thermal Data
Package
SOT353
θ JA
400°C/W
P DIS
T A = +25°C, T J = +150°C
310mW
AL8400/ AL8400Q
Document number: DS35115 Rev. 4 - 2
2 of 13
www.diodes.com
August 2012
? Diodes Incorporated
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