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AS78L18

BCD
Part Number AS78L18
Manufacturer BCD
Description 100mA POSITIVE VOLTAGE REGULATOR
Published Sep 23, 2015
Detailed Description Data Sheet 100mA POSITIVE VOLTAGE REGULATOR General Description Features AS78LXX The AS78LXX series are three termi...
Datasheet PDF File AS78L18 PDF File

AS78L18
AS78L18

Overview
Data Sheet 100mA POSITIVE VOLTAGE REGULATOR General Description Features AS78LXX The AS78LXX series are three terminal positive regu- · Output Current up to 100mA lators designed for a wide variety of applications · Fixed Output Voltages of 5V, 12V, 15V, 18V and including local, on-card regulation.
24V · Output Voltage Accuracy of ±5% over the Full This series of regulators are complete with internal Temperature Range current limiting, thermal shutdown protection, and · Internal Short Circuit Current Limiting safe-area compensation which make them virtually immune from output overload.
If adequate heat sinking are provided, these regulators can deliver output currents up to 100mA.
· · · Internal Thermal Overload Protection No External Components Output Transistor Safe-area Protection The AS78LXX series are available in TO-92 (bulk or ammo packing), SOT-89 and SOIC-8 packages.
Applications · Consumer Electronics · Microprocessor Power Supply · Mother Board TO-92(Bulk Packing) TO-92(Ammo Packing) SOT-89 SOIC-8 Nov.
2012 Rev.
2.
0 Figure 1.
Package Types of AS78LXX BCD Semiconductor Manufacturing Limited 1 100mA POSITIVE VOLTAGE REGULATOR Pin Configuration Data Sheet AS78LXX Z Package (TO-92(Bulk Packing)) 3 INPUT 2 GND 1 OUTPUT Z Package (TO-92(Ammo Packing)) 3 INPUT 2 GND 1 OUTPUT R Package (SOT-89) M Package (SOIC-8) GND 3 INPUT 2 GND 1 OUTPUT OUTPUT 1 GND 2 GND 3 NC 4 8 INPUT 7 GND 6 GND 5 NC Figure 2.
Pin Configuration of AS78LXX (Top View) Nov.
2012 Rev.
2.
0 BCD Semiconductor Manufacturing Limited 2 100mA POSITIVE VOLTAGE REGULATOR Functional Block Diagram Data Sheet AS78LXX R1 Q1 Q2 Q3 Q4 Q5 R2 Q6 R3 R4 R5 R9 Q9 Q14 C1 Q18 R12 D1 Zener Q21R16 R20 R17 Q10 Q11 Q7 R7 Q8 R6 Q16 R11 R14 R15 Q13 Q15 C2 Q19 Q12 Q17 Q20 Q22 R18 Q23 R19 R8 R10 R13 3 (8) INPUT Q24 R21 R23 R2 2 1 (1) OUTPUT 2 (2,3,6,7) GND A (B) A for 3-pin B for 8-pin Figure 3.
Functional Block Diagram of AS78LXX Nov.
2012 Rev.
2.
0 BCD Semicondu...


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