SG3525AP STMicroelectronics, SG3525AP Datasheet - Page 9

• Manufacturer Part Number: SG3525AP
• Description: IC PWM REGULATING 16-SOIC
• Manufacturer: STMicroelectronics
• Type: Pulse Width Modulator Controllerr

Specifications of SG3525AP

• Pwm Type: Voltage Mode
• Number Of Outputs: 2
• Frequency - Max: 500kHz
• Duty Cycle: 49%
• Voltage - Supply: 8 V ~ 35 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 500kHz
• Topology: Push-Pull
• Output Current: 500 mA
• Switching Frequency: 400 KHz
• Duty Cycle (max): 49 %
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Fall Time: 50 ns
• Mounting Style: SMD/SMT
• Rise Time: 100 ns
• Synchronous Pin: Yes
• Common Mode Rejection Ratio: 75
• Current, Input Bias: 1 μA
• Current, Input Offset: 1 μA
• Current, Output: 0 to 100 mA (Steady State), 0 to 400 mA (Peak)
• Current, Supply: 14 mA
• Frequency, Oscillator: 400 kHz
• Package Type: SO-16
• Power Dissipation: 1000 mW
• Regulation, Line: 10 mV
• Regulation, Load: 20 mV
• Temperature, Operating, Range: 0 to +70 °C
• Time, Fall: 50 ns
• Time, Rise: 100 ns
• Transconductance: 1.5
• Voltage, Gain: 75 dB
• Voltage, Input: 35 V
• Voltage, Noise: 40 μV
• Voltage, Offset: 2 mV
• Voltage, Output: 5.1 V
• Voltage, Supply: 4.5 to 35 V
• Voltage, Supply, Rejection Ratio: 60 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2993-5

Figure 8.
For single-ended supplies, the driver outputs are
grounded. The V
the totem-pole source transistors on alternate oscil-
lator cycles.
Figure 10.
The low source impedance of the output drivers pro-
vides rapid charging of Power Mos input capaci-
tance while minimizing external components.
C
terminal is switched to ground by
Figure 9.
In conventional push-pull bipolar designs, forward
base drive is controlled by R
times for the power devices are achieved with
speed-up capacitors C
Figure 11.
Low power transformers can be driven directly.
Automatic reset occurs during dead time, when both
ends of the primary winding are switched to ground.
1
and C
SG2525A-SG3525A
1
2
- R
.
3
. Rapid turn-off
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