SG2525 查看數據表（PDF） - STMicroelectronics

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SG2525

REGULATING PULSE WIDTH MODULATORS

STMicroelectronics 

SG2525A-SG3525A

RECOMMENDED OPERATING CONDITIONS (•)

Parameter

Input Voltage (Vi)

Collector Supply Voltage (VC)

Sink/Source Load Current (steady state)

Sink/Source Load Current (peak)

Reference Load Current

Oscillator Frequency Range

Oscillator Timing Resistor

Oscillator Timing Capacitor

Dead Time Resistor Range

⋅ • ( ) Range over which the device is functional and parameter limits are guaranteed.

Value

8 to 35 V

4.5 to 35 V

0 to 100 mA

0 to 400 mA

0 to 20 mA

100 Hz to 400 KHz

2 KΩ to 150 KΩ

0.001 µF to 0.1 µF

0 to 500 Ω

Figure 1 : Oscillator Charge Time vs. RT

and CT.

Figure 2 : Oscillator Discharge Time vs. RD

and CT.

Figure 3 : Output Saturation

Characteristics.

Figure 4 : Error Amplifier Voltage Gain and

Phase vs. Frequency.

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