SC1462(2000) View Datasheet(PDF) - Semtech Corporation
Part Name
Description
Manufacturer
SC1462 Datasheet PDF : 9 Pages
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HIGH OUTPUT CURRENT
CHARGE PUMP DOUBLER
SC1462
October 20, 2000
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage
Output Voltage
VOUT Short Circuit Duration
Thermal Resistance
Junction to Ambient
Operating Ambient
Temperature Range
Junction Temperature Range
Storage Temperature Range
Lead Temperature
(Soldering) 10 seconds
Symbol
VIN
VO
SC
θJA
TA
TJ
TSTG
TL
Maximum
-0.3 to +6.0
-0.3 to +12
Indefinite
230
-40 to +85
-40 to +125
-65 to +150
300
Units
V
V
°C/W
°C
°C
°C
°C
ELECTRICAL CHARACTERISTICS
Unless specified: TA = -40°C to 85°C, SHDN = GND, 1.65V ≤ VIN ≤=5.5V, CIN = COUT = CBUCKET = 3.3µF (ESR = 0.3Ω).
Parameter
Symbol
Conditions
MIN
TYP
Input Supply Voltage
Input Supply Current
VIN
1.65
IIN
IO = 0, VIN = 2.5V freq = 160kHz
140
IO = 0, VIN = 3.6V freq = 160kHz
200
SHDN = VIN
0.1
Output Resistance(5)
Rout
VIN = 2.5V
9.5
MAX
5.5
260
Units
V
µA
400 µA
1
µA
13.5 Ω
Output Resistance(5)
Rout
VIN = 3.6V
7.5
10.5 Ω
Total Switch Resistance(6)
RSW
VIN = 2.5V
3
4.5 Ω
Total Switch Resistance(6)
RSW
VIN = 3.6V
2
3
Ω
Output Current
IO
VIN = 2.5V
80 mA
VIN = 3.6V
80 mA
Oscillator Frequency
Short Circuit Current
Output Ripple (pk-pk)(1)(3)
Power Efficiency(1)
OSC
ISC
VR
η
1.65V ≤ VIN ≤=5.5V
Vout = 0V
IO = 45mA, VIN = 2.5V
Frequency = 160kHz
IO = 45mA,VIN = 2.5V
freq = 160kHz
100
160
200 KHz
200
mA
75
mV
86
%
© 2000 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320
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