SC2450(2001) View Datasheet(PDF) - Semtech Corporation
Part Name
Description
Manufacturer
SC2450 Datasheet PDF : 20 Pages
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SC2450
POWER MANAGEMENT
Absolute Maximum Ratings
Parameter
Symbol
Maximum
Supply Voltage
Voltage on BST Pins
Oscillator Frequency (1)
VIN
34
VBST
42
2
VCC
8
Thermal Resistance Junction to Case
Thermal Resistance Junction to Ambient
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 seconds
θJC
θJA
TA
TSTG
TLEAD
25
80
-40 to +85
-55 to +150
300
Note:
(1) Maximum frequency and maximum supply voltage could cause excessive power dissipation in the part.
Units
V
V
MHz
V
°C/W
°C/W
°C
°C
°C
Electrical Characteristics
Unless specified VIN = 24V, TA = 25°C
PARAMETER
Supply Voltage, VIN
Supply Current
Under Voltage Lockout
UVLO Hysteresis
Voltage Regulator
Pre Regulator Voltage
Bgout Voltage
Bgout Impedance
REGDRV Pin Sink Current
Error Amp
Input Offset Voltage
Input Impedance
Linear Transconductance
Internal Oscillator
Frequency
Frequency
Ramp Valley to Peak
Ramp Valley to Peak
CONDITIONS
ENABLE = 0
CREF = 4.7nF
I
REGDRV
RREF = 30K
RREF = 60K
VIN = 12V
VIN = 24V
MIN TYP MAX UNITS
10
30
V
30
40
mA
5.8
V
400
mV
6
7
V
0.99
1
1.01
V
3
KΩ
5
mA
10
mV
5
KΩ
.002
A/V
1
MHz
500
kHz
1.5
V
3
V
2001 Semtech Corp.
2
www.semtech.com
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