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부품번호 | KA7905 기능 |
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기능 | 3-Terminal 1A Negative Voltage Regulator | ||
제조업체 | Fairchild | ||
로고 | |||
전체 17 페이지수
KA79XX / KA79XXA / LM79XX
3-Terminal 1 A Negative Voltage Regulator
September 2014
Features
• Output Current in Excess of 1 A
• Output Voltages of: -5 V, -6 V, -8 V, -9 V, -12 V, -15 V,
-18 V, -24 V
• Internal Thermal Overload Protection
• Short-Circuit Protection
• Output Transistor Safe Operating Area Compensation
Description
The KA79XX / KA79XXA / LM79XX series of three-termi-
nal negative regulators are available in a TO-220 pack-
age with several fixed output voltages, making them
useful in a wide range of applications. Each type employs
internal current limiting, thermal shutdown, and safe
operating area protection.
TO-220
Input
Ordering Information
Product Number
KA7905TU
KA7906TU
KA7908TU
KA7909TU
KA7912TU
KA7915TU
KA7918TU
KA7924TU
KA7912ATU
KA7915ATU
LM7905CT
LM7908CT
LM7909CT
LM7910CT
LM7912CT
LM7915CT
LM7918CT
Output Voltage
Tolerance
±4%
±2%
±4%
© 2002 Fairchild Semiconductor Corporation
KA79XX / KA79XXA / LM79XX Rev. 1.1.1
1
1. GND 2. Input 3. Output
Package
Packing Method
Operating
Temperature
TO-220
(Dual Gauge)
Rail
0 to +125°C
TO-220
(Single Gauge)
www.fairchildsemi.com
Electrical Characteristics (KA7906)
(VI = -11 V, IO = 500 mA, 0°C ≤ TJ ≤ +125°C, CI = 2.2 μF, CO = 1 μF; unless otherwise specified.)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VO
ΔVO
ΔVO
IQ
ΔIQ
ΔVo/ΔT
VN
RR
VD
ISC
IPK
Output Voltage
Line Regulation(4)
Load Regulation(4)
Quiescent Current
Quiescent Current
Change
Temperature Coefficient
of VD
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short-Circuit Current
Peak Current
TJ = +25°C
IO = 5 mA to 1 A, PO ≤ 15 W,
VI = -9 V to -21 V
TJ = +25°C
VI = -8 V to -25 V
VI = -9 V to -13 V
TJ = +25°C, IO = 5 mA to 1.5 A
TJ = +25°C, IO = 250 mA to 750 mA
TJ = +25°C
IO = 5 mA to 1 A
VI = -8 V to -25 V
IO = 5 mA
f = 10 Hz to 100 kHz, TA =+25°C
f = 120 Hz, ΔVI = 10 V
TJ = +25°C, IO = 1 A
TJ = +25°C, VI = -35 V
TJ = +25°C
-5.75
-5.70
54
-6.00
-6.00
10
5
10
3
3
0.05
0.10
-0.5
130
60
2
300
2.2
-6.25
-6.30
V
120
60
120
60
6
0.50
1.30
mV
mV
mA
mA
mV/°C
μV
dB
V
mA
A
Note:
4. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
© 2002 Fairchild Semiconductor Corporation
KA79XX / KA79XXA / LM79XX Rev. 1.1.1
4
www.fairchildsemi.com
4페이지 Electrical Characteristics (LM7910)
(VI = -17 V, IO = 500 mA, 0°C ≤ TJ ≤ +125°C, CI = 2.2 μF, CO =1 μF; unless otherwise specified.)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VO
ΔVO
ΔVO
IQ
ΔIQ
ΔVo/ΔT
VN
RR
VD
ISC
IPK
Output Voltage
Line Regulation(7)
Load Regulation(7)
Quiescent Current
Quiescent Current
Change
Temperature Coefficient
of VO
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short-Circuit Current
Peak Current
TJ = +25°C
IO = 5 mA to 1A, Pd ≤ 15 W,
VI = -12 V to -28 V
TJ = +25°C
VI = -12.5 V to -28 V
VI = -14 V to -20 V
TJ = +25°C,
IO = 5 mA to 1.5 A
TJ = +25°C,
IO = 250 mA to 750 mA
TJ = +25°C
IO = 5 mA to 1 A
VI = -12.5 V to -28 V
IO = 5 mA
10 Hz ≤ f ≤ 100 kHz, TA = +25°C
f = 120 Hz, ΔVI = 10 V
TJ = +25°C, IO = 1 A
TJ = +25°C, VI = -35 V
TJ = +25°C
-9.6
-9.5
54
-10.0 -10.4
-10.0 -10.5
V
12 200
mV
6 100
12 200
mV
4 100
3
0.05
0.10
6
0.50
1.00
mA
mA
-1 mV/°C
280 μV
60 dB
2V
300 mA
2.2 A
Note:
7. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
© 2002 Fairchild Semiconductor Corporation
KA79XX / KA79XXA / LM79XX Rev. 1.1.1
7
www.fairchildsemi.com
7페이지 | |||
구 성 | 총 17 페이지수 | ||
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부품번호 | 상세설명 및 기능 | 제조사 |
KA7905 | 3-Terminal 1A Negative Voltage Regulator | Fairchild |
KA7905 | 3-Terminal 1A Negative Voltage Regulator | Fairchild |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |