SG3525 STMicroelectronics, SG3525 Datasheet
SG3525
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SG3525 Summary of contents
Page 1
... LATCHING PWM TO PREVENT MULTIPLE . PULSES DUAL SOURCE/SINK OUTPUT DRIVERS DESCRIPTION The SG3525A series of pulse width modulator inte- grated circuits are designed to offer improved per- formance and lowered external parts count when used in designing all types of switching power sup- plies. The on-chip + 5.1 V reference is trimmed to ...
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... Thermal Resistance Junction-ambient th j-amb R Thermal Resistance Junction-alumina (*) th j-alumina * Thermal resistance junction-alumina with the device soldered on the middle of an alumina supporting substrate measuring 0.65 mm thickness with infinite heatsink. BLOCK DIAGRAM 2/12 Parameter Terminal = 70 C amb SG3525A Parameter Value Unit 500 mA 50 ...
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... Sync Voltage = 1 SG2525A-SG3525A SG2525A SG3525A Typ. Max. Min. Typ. Max. 5.1 5.15 5 5.1 5 5.2 4.95 5.25 80 100 80 100 40 200 40 200 20 50 ...
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... nF nF 10nF Approximate oscillator frequency is defined according to the following equation : G v specification is used to calculate minimum G SG2525A SG3525A Typ. Max. Min. Typ. Max 0.9 0.7 0.9 3.3 3.6 3.3 3.6 0. 0.4 ...
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... TEST CIRCUIT SG2525A-SG3525A 5/12 ...
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... SG2525A-SG3525A RECOMMENDED OPERATING CONDITIONS ( ) Input Voltage ( Collector Supply Voltage ( 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. ...
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... Activating this circuit by applying a positive signal on Pin 10 performs two functions : the PWM latch is immedi- SG2525A-SG3525A ately set providing the fastest turn-off signal to the outputs ; and a 150 A current sink begins to dis- charge the external soft-start capacitor. If the shut- ...
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... SG2525A-SG3525A Figure 6 : Oscillator Schematic. Figure 7 : Output Circuit (1/2 circuit shown). 8/12 ...
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... Figure 10. The low source impedance of the output drivers pro- vides rapid charging of Power Mos input capaci- tance while minimizing external components. SG2525A-SG3525A Figure 9. In conventional push-pull bipolar designs, forward base drive is controlled times for the power devices are achieved with ...
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... SG2525A-SG3525A mm DIM. MIN. TYP. MAX. MIN. a1 0.51 0.020 B 0.77 1.65 0.030 b 0 8.5 e 2.54 e3 17.78 F 7.1 I 5.1 L 3.3 Z 1.27 10/12 inch MECHANICAL DATA TYP. MAX. 0.065 0.020 0.010 0.787 0.335 0.100 0.700 0.280 0.201 0.130 0.050 OUTLINE AND DIP16 ...
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... S (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0.15mm (.006inch). inch TYP. MAX. MECHANICAL DATA 0.069 0.009 0.063 0.018 0.010 0.020 0.394 0.244 0.050 0.350 0.157 0.209 0.050 0.024 SG2525A-SG3525A OUTLINE AND SO16 Narrow 11/12 ...
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... SG2525A-SG3525A Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the conse- quences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice ...