SE8117 查看數據表（PDF） - Seaward Electronics Inc.
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SE8117 Datasheet PDF : 5 Pages
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SEAWARD
ELECTRONICS
INC.
1A Positive Voltage
Regulators (Preliminary)
SE8117
Electrical Characteristic
VIN,MAX ≤ 8V, VIN,MIN – VOUT = 1.5V, IOUT = 10mA, CIN = 10µF, COUT = 22µF, TJ = 0 – 125°C, unless otherwise specified.
Symbol
Parameter
Test Condition
Min Typ Max Units
VO
VREF
10mA ≤ IOUT ≤ 1A, TA = 25°C,
SE8117T15
1.5
Output Voltage (1)
SE8117T18
SE8117T25
1.8
(-2%)
(+2%) V
2.5
SE8117T30
3.0
SE8117T33
3.3
Reference Voltage (1)
(Adj. Voltage Version)
10mA ≤ IOUT ≤ 1A
1.225
(-2%)
1.250
1.275
(+2%)
V
VSR
Line Regulation (1)
IOUT = 10mA
0.3
%
VLR
Load Regulation (1)
(VIN - VOUT) = 2V
10mA ≤ IOUT ≤ 1A
0.4
%
IQ
Quiescent Current
9
mA
IADJ
Adjust Pin Current
48
µA
∆IADJ
Adjust Pin Current
Change
10mA ≤ IOUT ≤ 1A
0.2
µA
VD
Dropout Voltage (2)
∆VREF = 1%, IOUT = 1A
1.1
V
IO
Minimum Load Current
4
mA
ICL
Current Limit
1.8
A
TC
Temperature Coefficient
0.07
%/°C
OTP
Thermal Protection
175
°C
VN
RMS Output Noise
TA = 25°C, 10Hz ≤ f ≤ 10kHz
f = 120Hz,
RA
Ripple Rejection Ratio
COUT = 22µF (Tantalum),
(VIN - VOUT) = 3V, IOUT = 1A
Notes:
1. Low duty cycle pulse testing with which TJ remains unchanged.
2. ∆VOUT, ∆VREF = 1%.
0.003
72
%VO
dB
© Seaward Electronics, Inc., 2004. • www.seawardinc.com.cn • Tel: 0086-010-82895700 • Fax: 0086-010-82895706
Room 1605, Building 1, International Pioneering Park, #1 Shangdi XinXi Road • Haidian District, Beijing 100085, China
Preliminary and all contents are subject to change without prior notice.
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