STSR2P STMicroelectronics, STSR2P Datasheet
STSR2P
Specifications of STSR2P
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STSR2P Summary of contents
Page 1
... OUT makes discontinuous conduction mode possible conditions and prevents the freewheeling mosfet from sinking current from the output. STSR2P automatically turns off the outputs when duty-cycle is lower than 13%, while STSR2PM works even at very low duty-cycle values. Vcc 2 + BIAS ...
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... CONNECTION DIAGRAM (top view) 2/12 Parameter =105°C without heatsink A Pins 1, Pin 3 Parameter SO-8 STSR2PCD STSR2PMCD Value Unit - 270 0.9 KV -55 to +150 °C -40 to +125 °C SO-8 Unit 40 °C/W 160 °C/W SO-8 (T&R) STSR2PCD-TR STSR2PMCD-TR ...
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... Gate Drive signal for Freewheeling MOSFET. Anticipation [t OUT is provided when the clock input goes to high level. GATE2 Reference for power signals, this pin carries the full peak currents for the two outputs. STSR2P/STSR2PM ) in turning off ANT1 ) in turning off the OUT ANT1 >V ...
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... 25° 200mV INHIBIT V = -200mV INHIBIT V = 200mVNo Load INHIBIT T = 25° 25°C for STSR2P 25°C for STSR2P J STSR2PM is measured between 90% and 10% on the initial voltage F =-200mV, T =-40 to 125°C, unless J Min. Typ. Max. Unit 3.8 4 3.5 3.6 5.5 5 ...
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... D2 could be necessary to protect INHIBIT pin from voltages higher than could be necessary to protect CK pin from voltages higher than V 8) SGLGND layout trace must not include OUT 9) A capacitor in parallel with R4 could be necessary to eliminate turn off voltage spike. voltage current paths. GATE1,2 STSR2P/STSR2PM 5/12 ...
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... STSR2P/STSR2PM EXAMPLE OF COMPONENTS SELECTION FOR A FORWARD CONVERTER Forward Specification: V =36-72V IN V =3.3V OUT n=Np/Ns=4.5 R and R are calculated assuring a minimum voltage of 2. pin. At 36V input, the voltage on the 3 4 secondary winding is 36/4.5=8V. Choosing --------------------------------------------------------------- - – 2.8 R =1k is chosen. At 72V input the current at CK pin is calculated as: ...
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... INHIBIT OPERATION OF OUT NOTE: V =+200mV INHIBIT GATE2 STSR2P/STSR2PM 7/12 ...
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... STSR2P/STSR2PM TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified T Figure 1 : Zener Characteristics Figure 2 : Rise and Fall Time vs Load Capacitor Figure 3 : OUT vs Characteristics GATE1,2 8/12 = 25°C j Figure 4 : Sink-Source ON Resistance vs Temperature Figure 5 : Clock Threshold Voltage vs Temperature Figure 6 : INHIBIT Threshold Voltage vs Temperature ...
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... Figure 7 : Supply Current vs Load Capacitor (each output) Figure 8 : Supply Current vs Clock Frequency Figure Temperature ON(GATE2) STSR2P/STSR2PM Figure 10 : Duty Cycle Shut Down vs Temperature Figure 11 : Duty Cycle Turn ON After Shut Down vs Temperature Figure 12 : Clock Leakage Current vs Clock Voltage 9/12 ...
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... STSR2P/STSR2PM DIM. MIN. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4. 5.80 h 0.25 L 0.40 k ddd 10/12 SO-8 MECHANICAL DATA mm. TYP MAX. 1.75 0.25 1.65 0.51 0.25 5.00 4.00 1.27 6.20 0.50 1.27 ˚ (max.) 8 0.1 inch MIN. TYP. MAX. 0.053 0.069 0.04 0.010 0.043 0.065 0.013 0.020 0.007 0.010 0.189 0.197 0.150 0.157 0.050 0.228 0.244 0.010 0.020 0.016 0.050 0016023/C ...
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... Tape & Reel SO-8 MECHANICAL DATA mm. DIM. MIN 12 8.1 Bo 5.5 Ko 2.1 Po 3.9 P 7.9 TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 8.5 0.319 5.9 0.216 2.3 0.082 4.1 0.153 8.1 0.311 STSR2P/STSR2PM inch TYP. MAX. 12.992 0.519 0.882 0.335 0.232 0.090 0.161 0.319 11/12 ...
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... STSR2P/STSR2PM Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences 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. Specifications mentioned in this publication are subject to change without notice ...