SC1460CSK-3.3TR データシートの表示（PDF） - Semtech Corporation
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SC1460CSK-3.3TR Datasheet PDF : 6 Pages
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5mA CAPLESSTM CHARGE PUMP
SC1460
PRELIMINARY - July 6, 1999
ELECTRICAL CHARACTERISTICS
Unless specified: VIN = 3.3V (-5.0 parts), VIN = 2.5V (-3.3 parts), 0 ≤ IO ≤ 4mA, CIN = 0.22uF, COUT = 47nF, TA = 25°C. Values in bold apply
over full operating temperature range
Parameter
Symbol
Conditions
MIN
TYP
MAX Units
Input Supply Voltage
VIN
2.25
3.63 V
Input Supply Current
Output Voltage
IIN
IO = 0mA VIN = 2.5 V
VO
SC1460CSK - 3.3, VIN = 2.5V
100
150 µA
-4
1.32 x VIN 4
%
SC1460CSK - 5.0, VIN = 3.3V
4
1.515 X VIN 4
%
Output Ripple (pk-pk)
VR
IO = 4mA, COUT = 47nF
50
mV
Output Current
IO
4
5
mA
Efficiency
η
IO = 4mA
50
56
%
Oscillator Frequency
OSC
SC1460CSK - 3.3, VIN = 2.5V
8
MHz
SC1460CSK - 5.0, VIN = 3.3V
8.75
Time to Regulation at
tON
Turn-On
Power Up with IO = 4mA
100
µs
APPLICATION CIRCUIT
U1 SC1460
2
1
VIN
VIN VO
Cin
0.22uF
GND
3
VO
Cout
47nF
© 1999 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320
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