SC2449ISWTR View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC2449ISWTR Datasheet PDF : 20 Pages
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SC2449
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified
in the Electrical Characteristics section is not implied.
Parameter
Symbol
Maximum
Units
Supply Voltage
Voltage on BST Pins
Oscillator Frequency (1)
VIN
VBST
30
V
38
V
2
MHz
VCC
8
V
Thermal Resistance Junction to Case
θJC
25
°C/W
Thermal Resistance Junction to Ambient
θJA
80
°C/W
Operating Temperature Range
TA
-40 to +85
°C
Storage Temperature Range
TSTG
-55 to +150
°C
Lead Temperature (Soldering) 10 seconds
TLEAD
300
°C
Note: (1) Maximum frequency and maximum supply voltage could cause excessive power dissipation in the part.
Electrical Characteristics
Unless specified VIN = 24V, TA = 25°C
Parameter
Conditions
Min
Typ
Max Units
Supply Voltage, VIN
Supply Current
Under Voltage Lockout
UVLO Hysteresis
Voltage Regulator
ENABLE = 0
8.5
28
V
30
40
mA
5.8
V
400
mV
Pre Regulator Voltage
Bgout Voltage
Bgout Impedance
REGDRV Pin Sink Current
Error Amp
CLOAD = 4.7nF
IREGDRV
6
7
V
0.99
1
1.01
V
3
KΩ
5
mA
Input Offset Voltage
15
mV
Input Offset Mismatch
6
mV
Input Impedance
5
KΩ
Linear Transconductance
Internal Oscillator
.002
A/V
Frequency
Frequency
RREF = 30K
RREF = 60K
1
MHz
500
kHz
2002 Semtech Corp.
2
www.semtech.com
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