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H78LxxBM PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 H78LxxBM
部品説明 3-TERMINAL POSITIVE VOLTAGE REGULATORS
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H78LxxBM Datasheet, H78LxxBM PDF,ピン配置, 機能
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HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : IC200403
Issued Date : 2004.03.01
Revised Date : 2004.08.31
Page No. : 1/10
H78LXXAM / BM
H78LXXAA / BA
3-TERMINAL POSITIVE VOLTAGE REGULATORS
Description
These regulators employ internal current-limiting and thermal-shutdown,
making them essentially indestructible. They can deliver up to 100mA
output current.
Features
Maximum Output Current of 100mA (Tc=25°C)
Internal Short-Circuit Current Limiting
Internal Thermal Overload Protection
TO-92 & SOT-89 Package
Absolute Maximum Ratings
(Ta=25°C, Unles Otherwise Specified)
Characteristic
Input Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Junction Temperature
Thermal Resistance
Symbol
VIN
PD
Topr
Tstg
Tj
Rth(j-a)
Rating
40
TO-92
700
SOT-89
500
-30 to 85
-55 to 150
150
208
Unit
V
mW
mW
oC
oC
oC
oC/W
Schematic Diagram & Equivalent Circuit
H78LXX Series Pin Assignment
123
3-Lead Plastic SOT-89
Package Code: M
Pin 1: VOUT
Pin 2: GND
Pin 3: VIN
123
3-Lead Plastic TO-92
Package Code: A
Pin 1: VOUT
Pin 2: GND
Pin 3: VIN
Typical Application
VIN 3
CIN
0.33uF
(Note 1)
H78LXX
Series
2
1 VOUT
COUT
0.1uF
(Note 2)
Note 1: CIN is required if regulator is
located an appreciable distance from
power supply filter.
Note 2: COUT is not needed for stability;
however, it does improve transient
response. Values of less than 0.1uF could
cause instability.
Schematic Diagram
Input
3
Current
Generator
Equivalent Circuit
Series
Pass
Element
Output
1
SOA
Protection
VIN
Starting
Circuit
Reference
Voltage
Error
Amplifier
Thermal
Protection
GND
2
VOUT
H78LXXAM / BM, H78LXXAA / BA
HSMC Product Specification

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