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SC2308AEVB Datasheet(PDF) 4 Page - Semtech Corporation

Part # SC2308AEVB
Description  600kHz Step-Up Switching Regulator with 2.2A, 45V Switch
PDF  17 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2308AEVB Datasheet(HTML) 4 Page - Semtech Corporation

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4
Electrical Characteristics (continued)
SC2308A
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Oscillator
Switching Frequency
f
SW
500
630
750
kHz
Minimum Switch Off-Time
t
OFF(MIN)
60
ns
Minimum Switch On-Time
t
ON(MIN)
200
ns
Minimum Duty Cycle
D
MIN
0
%
Maximum Duty Cycle
D
MAX
87
96
%
Power Switch
Switch Current Limit(4)
I
LIM
2.2
2.9
3.7
A
Switch Saturation Voltage
V
CESAT
I
SW=2.2A
320
480
mV
Switch Leakage Current
I
LK
V
SW =2V
0.
0.5
µA
Enable Pin
High Voltage Threshold
V
IH
2
V
Low Voltage Threshold
V
IL
0.3
V
Enable Pin Current
I
EN
V
EN =0V
0.0
0.
µA
V
EN =2V
3.3
5.
V
EN =6V
3
25
Over Temperature Protection
Thermal Shutdown Temperature
T
SHDN
T
j rising
60
O
C
Hysteresis
T
HYST
2
O
C
Unless otherwise noted: V
IN = VEN = 3V, TJ = -40°C to 05°C. Typical values are at TJ = 25°C.
Notes:
(4) Switch current limit does not vary with duty cycle.



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