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KA7805ER 数据手册 - Fairchild（飞兆/仙童）
制造商:
Fairchild（飞兆/仙童）
封装:
TO-252
描述:
3端子1A正电压稳压器 3-Terminal 1A Positive Voltage Regulator
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P2Hot
典型应用电路图在P22
原理图在P2
封装尺寸在P27P28
型号编码规则在P1
技术参数、封装参数在P2P29
应用领域在P22
电气规格在P3P4P5P6P7P8P9P10P11P12P13P14
导航目录
KA7805ER数据手册
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6 www.fairchildsemi.com
KA78XXE/KA78XXAE Rev. 1.0.1
KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7809E/KA7809ER) (Continued)
Refer to test circuit, 0°C < T
J
< 125°C, I
O
= 500mA, V
I
= 15V, C
I
= 0.33µF, C
O
= 0.1µF, unless otherwise specified.
Notes:
7. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
8. These parameters, although guaranteed, are not 100% tested in production.
Symbol Parameter Conditions
KA7809E/ER
UnitMin. Typ. Max.
V
O
Output Voltage T
J
= +25°C 8.65 9 9.35 V
5.0mA ≤ I
O
≤ 1.0A, P
O
≤ 15W
V
I
= 11.5V to 24V
8.6 9 9.4
Regline Line Regulation
(7)
T
J
= +25°CV
I
= 11.5V to 25V – 6 180 mV
V
I
= 12V to 17V – 2 90
Regload Load Regulation
(7)
T
J
= +25°CI
O
= 5mA to 1.5A – 12 180 mV
I
O
= 250mA to 750mA – 4 90
I
Q
Quiescent Current T
J
= +25°C–5.0 8.0 mA
∆I
Q
Quiescent Current Change I
O
= 5mA to 1.0A – – 0.5 mA
V
I
= 11.5V to 26V – – 1.3
∆V
O
/∆T Output Voltage Drift
(8)
I
O
= 5mA – -1 – mV/°C
V
N
Output Noise Voltage f = 10Hz to 100kHz, T
A
= +25°C–58–µV/Vo
RR Ripple Rejection
(8)
f = 120Hz
V
I
= 13V to 23V
56 71 – dB
V
Drop
Dropout Voltage I
O
= 1A, T
J
= +25°C–2–V
r
O
Output Resistance
(8)
f = 1kHz – 17 – mΩ
I
SC
Short Circuit Current V
I
= 35V, T
A
= +25°C–250 – mA
I
PK
Peak Current
(8)
T
J
= +25°C–2.2 – A
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