L5970D013 STMicroelectronics, L5970D013 Datasheet
L5970D013
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L5970D013 Summary of contents
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... Pulse by pulse current limit with the internal fre- quency modulation offers an effective constant current short circuit protection. VREF 6 1 VCC 8 L5970D SYNC COMP INH. GND C3 R3 4.7K D98IN954C L5970D SO8 ORDERING NUMBERS: L5970D (SO8) L5970D013TR (T& VOUT=3.3V OUT D1 R1 STPS2L40U 5. 100 F 10V R2 3.3K 1/10 ...
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L5970D PINS CONNECTION (Top View) PINS FUNCTION N. Name 1 OUT Regulator Output. 2 SYNC Master/slave synchronization. 3 INH A logical signal (active high) disables the device. If INH not used the pin must be grounded. When it is open ...
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ELECTRICAL CHARACTERISTCS (Tj = 25°C, V (*) Specification Referred to T Symbol Parameter V Operating input voltage CC range V Dropout voltage d I Maximum limiting current l fs Switching frequency Duty cycle DYNAMIC CHARACTERISTICS (see test circuit fig. xx ...
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L5970D Figure 1. Junction Temperature vs. Output Current (SO8) *) Tj(°C) 130 120 110 100 Vcc=5V 90 Tamb=25° 0.2 0.4 0.6 0.8 1 Io(A) Figure 2. Junction Temperature vs. Output Current (SO8) *) ...
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Figure 7. Quiescent Current vs. Junction Temperature Iq (mA) 2 1.8 1.6 Vcc = 12V 1.4 1.2 - (°C) Figure 8. Shutdown Current vs.Junction Temperature Ishd ( Vcc = 12V 50 ...
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... F, 10V 220pF, 5%, 50V 22nF, 10%, 50V 5.6K, 1%, 0.1W 0603 3.3K, 1%, 0.1W 0603 4.7K, 1%, 0.1W 0603 2A, 25V Figure 12. Efficiency vs. Output Current 0.7 0.8 0 VOUT=3.3V OUT D1 R1 STPS2L25U 5. 100 F 10V R2 3.3K Manufacturer TOKIN Sanyo KEMET KEMET Neohm Neohm Neohm STMicroelectronics COILCRAFT Vo=5V Vo=3.3V Vo=2.5V Vcc=12V 0.2 0.3 0.4 0.5 0.6 0.7 Io (A) 0.8 0.9 1 ...
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Figure 13. PCB layout (component side) Figure 14. PCB layout (bottom side) Figure 15. PCB layout (front side) 42mm 34mm L5970D 7/10 ...
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L5970D APPLICATION IDEAS Figure 16. Dual output voltage with auxiliary winding VIN=12V VCC COMP C1 10uF C3 C2 25V 22nF 220pF Ceramic R3 4.7k Figure 17. Buck-Boost regulator VIN=12V C1 C2 10uF 10uF 35V C3 25V 220pF Ceramic Ceramic Vin=12V ...
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DIM. MIN. TYP. MAX. A 1.75 a1 0.1 0.25 0.004 a2 1.65 a3 0.65 0.85 0.026 b 0.35 0.48 0.014 b1 0.19 0.25 0.007 C 0.25 0.5 0.010 c1 45 (typ.) D (1) 4.8 5.0 0.189 E 5.8 6.2 ...
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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 ...