SE8117BT25LF Просмотр технического описания (PDF) - Seaward Electronics Inc.
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SE8117BT25LF Datasheet PDF : 7 Pages
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Electrical Characteristic
VIN,MAX ≤ 8V, VIN,MIN – VOUT = 1.5V, IOUT = 10mA, CIN = 10µF, COUT = 22µF, TA = 25°C, unless otherwise
specified.
Symbol
Parameter
Test Condition
Min Typ Max Units
VO
Output Voltage (1)
VREF
VSR
VLR
IQ
IADJ
Reference Voltage (1)
(Adj. Voltage Version)
Line Regulation (1)
Load Regulation (1)
Quiescent Current(2)
Adjust Pin Current
SE8117BT15
SE8117BT18
SE8117BT25
SE8117BT33
SE8117BT50
(VIN - VOUT) = 1.5V
IOUT = 10mA
VOUT + 1.5V < VIN < 8V
IOUT = 10mA
(VIN - VOUT) = 1.5V
10mA ≤ IOUT ≤ 1A
Fixed Output Version
1.470 1.5 1.530
1.764 1.8 1.836
2.450 2.5 2.550 V
3.234 3.3 3.366
4.900 5.0 5.100
(-2%) 1.250 (+2%) V
--
0.3
--
%
--
0.5
--
%
--
3
--
mA
--
65
--
μA
∆IADJ
VD
Adjust Pin Current
Change
Dropout Voltage (3)
VOUT + 1.5V < VIN < 8V
10mA ≤ IOUT ≤ 1A
IOUT = 1A
--
14
--
μA
-- 1.3 --
V
IO
Minimum Load Current
--
0.4
--
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
-- 0.003 --
%VO
f = 120Hz,
RA
Ripple Rejection Ratio
COUT = 22μF (Tantalum),
--
57
--
dB
(VIN - VOUT) = 3V, IOUT = 100mA
Notes:
1. Low duty cycle pulse testing with which TJ remains unchanged.
2. The IQ of SE8117BT15 is 1.2mA(Typ.)
3. The dropout voltage is the input/output differential at which the circuit ceases to regulate against further
reduction in input voltage. It is measured when the output voltage has dropped 98% from the nominal
value obtained at VIN = VOUT +1.5V.
Revision 7/28/2008
Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com • Page 2
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