SG3525A 데이터 시트보기 (PDF) - Microsemi Corporation
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SG3525A Datasheet PDF : 13 Pages
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Regulating Pulse Width Modulator
Recommended Operating Conditions1
Parameter
Input Voltage (+VIN)
Collector Voltage (VC)
Sink/Source Load Current (steady state)
Sink/Source Load Current (peak)
Reference Load Current
Oscillator Frequency Range
Oscillator Timing Resistor (RT)
Deadtime Resistor Range (RD)
Maximum Shutdown Source Impedance
Oscillator Timing Capacitor (CT)
Operating Ambient Temperature Range1
SG1525A/SG1527A
SG2525A/SG2527A
SG3525A/SG3527A
Note: Range over which the device is functional.
Value
8 to 35
4.5 to 35
0 to 100
0 to 400
0 to 20
0.1 to 350
2 to 150
0 to 500
5
0.001 to 0.1
-55 to 125
-25 to 85
0 to 70
Units
V
V
mA
mA
mA
kHz
kΩ
Ω
kΩ
µF
°C
°C
°C
Electrical Characteristics
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for
SG1525A/SG1527A with -55°C ≤ TA ≤ 125°C, SG2525A/SG2527A with -25°C ≤ TA ≤ 85°C,
SG3525A/SG3527A with 0°C ≤ TA ≤ 70°C, and +VIN = 20V. Low duty cycle pulse testing techniques are
used that maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Test Conditions
SG1525A/2525A
SG1527A/2527A
SG3525A
SG3527A
Units
Reference Section1
Min Typ Max Min Typ Max
Output Voltage
TJ = 25C
5.05 5.10 5.15 5.00 5.10 5.20
V
Line Regulation
VIN = 8V to 35V
10 30
10 30
mV
Load Regulation
IL = 0 to 20mA
20 50
20 50
mV
Temperature Stability1
Over Operating
Temperature Range
20 50
20 50
mV
Total Output Voltage
Range1
Over Line, Load and
Temperature
5.00
5.20 4.95
5.25
V
Short Circuit Current VREF = 0V, TJ = 25C
80 100
80 100
mA
Output Noise Voltage1
10Hz ≤ f ≤ 10kHz,
TJ = 25°C
40 200
40 200
Vrms
Long Term Stability1
TJ = 125C
20 50
20 50
mV/khr
Notes:
1. These parameters, although guaranteed over the recommended operating conditions, are not 100% tested in production.
2. FOSC = 40 kHz (RT = 3.6k Ω, CT = 0.01µF, RD = 0Ω.).
3. Applies to SG1525A/2525A/3525A only, due to polarity of output pulses.
4
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