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SC1464CMSTR датащи(PDF) 3 Page - Semtech Corporation

номер детали SC1464CMSTR
подробное описание детали  60mA PROGRAMMABLE FIXED FREQUENCY CHARGE PUMP DOUBLER
PDF  10 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1464CMSTR датащи(HTML) 3 Page - Semtech Corporation

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© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
60mA PROGRAMMABLE FIXED
FREQUENCY CHARGE PUMP DOUBLER
SC1464
PRELIMINARY - August 11, 2000
3
Parameter
Symbol
Test Conditions
MIN
TYP
MAX
Units
Time to Regulation at
Turn-on
(2)(3)
t
ON
I
O = 0 to 60 mA
freq = 260kHz
420
1000
µs
Input High Threshold
V
ih
All input pins
1.3
V
Input Low Threshold
V
il
All input pins
0.4
V
Inrush Current
(3)
I
INRUSH
Upon application of V
IN, Maximum
average current over 10 periods
750
mA
Over Temperature
protection
(3)
O.T.
170
°C
Over Temperature
Hysteresis
(3)
O.T.H
10
°C
ELECTRICAL CHARACTERISTICS
Unless specified, T
A = -40°C to 85°C, EN = VIN, CBucket = 2.2µF(ESR = 0.1τ), CIN , COUT = 3.3µF(ESR = 1τ), VIN = 3V±5%, VOUT = 5.2V to 6.2V.
NOTES:
(1) All electrical characteristics are for the application circuit on page 2.
(2) Soft start functionality is performed along with short circuit protection. If V
OUT is less than VIN - 200mV, then all
switches are turned off and V
OUT is charged with a 70mA current source from VIN. W hen VOUT reaches VIN - 200mV,
then a current limit version of the switches are turned on until V
OUT reaches VIN + a PMOS threshold, at which point
all switches are enabled.
(3) Guaranteed by design.



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