L4955V33 STMICROELECTRONICS [STMicroelectronics], L4955V33 Datasheet
L4955V33
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L4955V33 Summary of contents
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ULDO LINEAR REGULATORS FAMILY OUTPUT CURRENT 2% PRECISE OUTPUT VOLTAGES FAST TRANSIENT RESPONSE 0.75V TYP. DROP OUT VOLTAGE AT 5A OPERATING INPUT VOLTAGE FROM 4.5V ADJUSTABLE VERSION 1.26V O INHIBIT (I = 120 A ...
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L4955 ABSOLUTE MAXIMUM RATINGS Symbol V Supply Input Voltage IN ADJ and CL pins PG and INH pins P Power Dissipation @ T TOT Power Dissipation @ Storage Temperature st i PIN CONNECTIONS (Top views) 7 ...
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PIN FUNCTIONS HW VW Name Unregulated input voltage; this pin must be bypassed with a capacitor larger than – resistor connected between this pin and ground sets the programmable current limiting value. ...
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L4955 L4955V3.3 - ELECTRICAL CHARACTERISTICS (T = Specifications referred to T from +125 C. J Symbol Parameter V Operating Input Voltage IN V Output Voltage O V Line regulation O V Load regulation O I Current Limiting ...
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Figure 1: L4955 DC Operating Area O u tput C ur rent [ urr ent Lim itation dson Pow sipation Lim it 4 lim ...
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L4955 Figure 7: Short-circuit Current vs. Junction Temperature with Programmable Current Limiting uit lim = ...
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Figure 13: Ripple Rejection vs. Output Current ...
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L4955 LINE TRANSIENT RESPONSE Figure 16. Figure 17. Figure 18. Test condition : V = 12V 1V (electrolytic capacitor); dV/ out 8/14 = 3.3V ...
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LOAD TRANSIENT RESPONSE Figure 19. Figure 21. Test condition 5V 3.3V; Load Transient from 0.5A to 5A; IN OUT Figure 22: Load transient test circuit. IN VIN = 5V 1 L4955 C1,C2 2 470 F/25V Panasonic ...
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L4955 Figure 23: DC operating area. O utput Current [A] 8 Vout = 3.3V 7 Current Lim itation 125 C 6 Power Dissipation Lim it 5 Rdson lim it Pdm ax=40W ...
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Figure 29: DC operating area put rre itatio Pow er D issip a tio n Lim it lim it ...
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L4955 mm DIM. MIN. TYP. MAX. MIN. A 4.8 C 1.37 D 2.4 2.8 0.094 D1 1.2 1.35 0.047 E 0.35 0.55 0.014 E1 0.7 0.97 0.028 F 0.6 0.8 0.024 F1 0.9 G 2.34 2.54 2.74 0.095 0.100 G1 ...
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DIM. MIN. TYP. MAX. MIN. TYP. A 4.40 4.60 0.173 C 1.23 1.32 0.048 D 2.40 2.72 0.094 E 0.49 0.70 0.019 F 0.61 0.88 0.024 F1 1.14 1.70 0.044 F2 1.14 1.70 0.044 G 4.95 5.15 0.194 ...
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L4955 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 ...