7805A 반도체 회로 부품 판매점

3-Terminal positive Voltage Regulators



Wing Shing 로고
Wing Shing
7805A 데이터시트, 핀배열, 회로
www.DataSheet.co.kr
7805A
3- Terminal Positive Voltage Regulators
Description
The 7805A can provide local on-card regulation, eliminating the
distribution problems associated with single point regulation. Each employs
internal current limiting, thermal shut-down and safe operating area protection,
making it essen-tially indestructible. If adequate heat sinking is provided, they can
deliver over 1A output current. Although designed primarily as fixed voltage
regulators, these devices can be used with external components to obtain
adjustable voltages and currents.
Features
Output Current In Excess of 1A
Output Voltage of 5V
Internal Short-Circuit Current Limiting & Thermal Overload Protection
Guaranteed In Extended Temperature Range
Absolute Maximum Ratings (TA=25°C)
7805AJ Pin Assignment
Tab
123
3-Lead Plastic TO-252
Package Code: J
Pin 1: VIN
Pin 2 & Tab: GND
Pin 3: VOUT
7805AE Pin Assignment
Tab
3-Lead Plastic TO-220AB
Package Code: E
Pin 1: VIN
Pin 2 & Tab: GND
Pin 3: VOUT
123
Characteristic
Symbol
Rating
Input Voltage
Power Dissipation
VIN 40
PD Internally limited (Note)
Operating Temperature
Topr
-30 to 85
Storage Temperature
Tstg
-55 to 150
Junction Temperature
Tj
150
Note: (1)TA=25oC, , TO-252: 1W, TO-220AB: 2.7W
(2)TC=25oC, All package: 10W
Thermal Data
Characteristic
Thermal Resistance Junction-Case
Thermal Resistance Junction-Ambient
Symbol
Rth(j-c)
Rth(j-a)
TO-252
12.5
125
Schematic Diagram & Equivalent Circuit
Unit
V
oC
oC
oC
TO-220AB
12.5
47
Unit
oC/W
oC/W
Schematic Diagram
Input
1
Current
Generator
Series
Pass
Element
Output
3
SOA
Protection
Equivalent Circuit
Starting
Circuit
Reference
Voltage
Error
Amplifier
Thermal
Protection
GND
2
VIN
VOUT
1
Datasheet pdf - http://www.DataSheet4U.net/

7805A 데이터시트, 핀배열, 회로
www.DataSheet.co.kr
7805A
3- Terminal Positive Voltage Regulators
7805A Series Electrical Characteristics
VIN=10V, IOUT=500mA, CIN=0.33uF, COUT=0.1uF, 0°CTJ125°C (unless otherwise specified)
Symbol
Parameter
VO Output Voltage
ΔVO Line Regulation
ΔVO
IB
ΔIB
eN
RR
VD
RO
ISC
ΔVO/ΔT
Load Regulation
Quiescent Current
Quiescent Current
Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Output Voltage Drift
Conditions
TJ=25°C, IOUT=500mA
5mAIOUT1A
7VVIN25V, POUT15W
TJ=25°C, 7VVIN25V
TJ=25°C, 8VVIN12V
TJ=25°C, 5mAIOUT1A
TJ=25°C, 250mAIOUT750mA
IOUT=5mA, TJ=25°C
IOUT=500mA, 7VVIN25V, TJ=25oC
5mAIOUT1A, VIN=10V, TJ=25oC
B=10Hz~100KHz, IOUT=50mA, TJ=25°C
10VVIN18V, f=120Hz, IOUT=50mA, TJ=25oC
TJ=25°C, IOUT=1A
f=1KHz
TJ=25°C
0oCTJ125oC
7805AJ/AE
Min Typ
4.85 5
Max
5.15
4.85 5 5.15
- 3 50
- 1 25
- 15 100
- 5 50
- 3.9 8
- - 1.3
- - 0.5
- 50 -
57 73
-
- 2 2.5
- 17 -
- 2.3 2.8
- - 0.6
Units
V
mV
mV
mA
mA
uV/VO
dB
V
mΩ
A
mV/°C
2
Datasheet pdf - http://www.DataSheet4U.net/




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7805A regulator

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