L4971D013TR STMicroelectronics, L4971D013TR Datasheet
L4971D013TR
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L4971D013TR Summary of contents
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... SO16W for SMD as- sembly 20K L4971 2.7nF 100nF C 4 22nF DIP8 Part Number L4971 L4971D L4971D013TR SO16 in Tape & Reel =3.3V/1.5A O 126µH (77120 100nF C STPS 8 330µF 3L60U D97IN748A L4971 SO16W Package DIP8 SO16W Rev. 11 ...
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L4971 Figure 2. Block Diagram THERMAL SHUTDOWN 2 SS_INH INHIBIT 7 COMP 8 E/A FB 3.3V OSCILLATOR 3 OSC Figure 3. Pin Connections GND 1 SS_INH 2 OSC 3 OUT 4 D97IN595 DIP8 Table 2. Pin Description DIP SO (*) ...
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Table 3. Absolute Maximum Ratings Symbol Minidip S016 V V Input voltage Output DC voltage 5 6 Output peak voltage 0.1µs f=200KHz Maximum output current ...
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L4971 Table 25°C, Cosc = 2.7nF, Rosc = 20kΩ Specification Refered to T Soft Start Soft start charge current Soft start discharge current Inhibit V Low level voltage LL I Isource Low level sLL ...
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Table 6. Typical Performance (Using Evaluation Board) fsw = 100kHz Output Output Voltage Ripple 3.3V 10mV 5.1V 10mV 12V 12mV Figure 4. Test and valuation board circuit. Vi=8V to 55V 220µF 220nF 63V C1=220µF/63V EKE C2=2.7nF ...
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L4971 Figure 6. Quiescent drain current vs. input voltage. Iq (mA) 200KHz R =22K 1 C =1.2nF Tamb=25˚ Figure 7. Quiescent ...
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Figure 12. Switching Frequency vs. input voltage. fsw (KHz) 107.5 105.0 102.5 100.0 97.5 95.0 92.5 90 Figure 13. Switching frequency vs. junction temperature. fsw (KHz) 105 100 ...
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L4971 Figure 18. Efficiency vs. output current. η (%) 90 V =12V CC V =24V =48V 0.2 0.4 0.6 0.8 1.0 1.2 1.4 I Figure 19. Efficiency vs. output current. ...
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Figure 24. Load transient. Figure 25. Line transient ( 1ms/DIV Figure 26. Soft start capacitor selection Vs inductor and Vccmax. L 680nF (µH) fsw=100KHz 400 300 200 100 0 ...
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L4971 Figure 29. DIP8 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. A 3.32 a1 0.51 B 1.15 1.65 b 0.356 0.55 b1 0.204 0.304 D 10.92 E 7.95 9.75 e 2.54 e3 7.62 e4 7.62 F 6.6 ...
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Figure 30. SO16 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. A 2.35 2.65 A1 0.10 0.30 B 0.33 0.51 C 0.23 0.32 (1) 10.10 10. 7.40 7.60 e 1.27 H 10.0 10.65 h 0.25 0.75 ...
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L4971 4 REVISION HISTORY Table 7. Revision History Date Revision October 2004 May 2005 12/13 10 First Issue in EDOCS 11 Updated the Layout look & feel. Changed name of the D1 on the figs. 1 and 4. Description of ...
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... 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. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...