SC2434EVB データシートの表示（PDF） - Semtech Corporation
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SC2434EVB Datasheet PDF : 19 Pages
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SC2434
POWER MANAGEMENT
PRELIMINARY
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
Input DC Rail Voltage to GND
VIN
18
Ambient Temperature Range
TA
0 to 70
Junction Temperature
TJ
0 to 125
Thermal Resistance Junction to Case
θJC
20
Thermal Resistance Junction to Ambient
θJA
60
Storage Temperature Range
TSTG
-65 to +150
Lead Temperature (Soldering) 10 Sec.
TLEAD
300
Electrical Characteristics
Unless specified: VCC = +12V, TAMB = 25°C, RDAC = 37.4kΩ, ROSC = 28.5kΩ. See Typical Application Circuit
Parameter
Conditions
Min
Typ
V
°C
°C
°C/W
°C/W
°C
°C
Max
Unit
Chip_Supply
IC Supply Voltage
10
12
14
V
IC Supply Current
Reference Section
V = 12.0V
CC
10
15
mA
Bandgap Output
Source Impedance
Supply Rejection
VID Step
Temperature Stability
Voltage Accuracy
Oscillator Section
CBG = 4.7nF
VCC = 10.0V ~ 14.0V
RFB = 10kΩ, RDAC = 37.4kΩ
0°C < T < 70°C
AMB
0°C < TAMB < 70°C
-0.8
1.5
V
6
kΩ
.5
mV/V
25
mV
0.5
%
+0.8
%
Frequency Range
300
1500
kHz
Frequency Accuracy
Temperature Stability
Voltage Error Amplifier
VIN = 12.0V
0°C < T < 70°C
AMB
675
750
825
kHz
±5
%
Input Offset Voltage
±5
mV
Input Offset Current
0.1
µA
Open Loop Gain
PSRR
Output Sink Current
Output Source Current
Unity Gain Bandwidth
Slew Rate
2005 Semtech Corp.
1V < VERROUT < 4V
VCC = 9 - 14V
VERROUT = 1V
V
= 4V
ERROUT
IO < 100µA
IO < 100µA
2
90
dB
80
dB
2.5
mA
2
mA
1.6
MHz
10
V/µS
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