L4949 SGS-Thomson-Microelectronics, L4949 Datasheet
L4949
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L4949 Summary of contents
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... MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR Minidip SO8 ORDERING NUMBERS: L4949E (Minidip) DESCRIPTION The L4949E is a monolithic integrated 5V voltage regulator with a very low dropout output and addi- tional functions as power-on reset and input volt- age sense designed for supplying the micro- computer controlled automotive applications ...
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... L4949E ABSOLUTE MAXIMUM RATINGS Symbol V DC Operating Supply Voltage SDC V Transient Supply Voltage (T < 1s) STR I Output Current O V Output Voltage Output Voltage RES Output Current RES SO V Preregulator Output Voltage Z I Preregulator Output Current Z T Junction Temperature J T Storage Temperature Range ...
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... 100nF; T 100 10K 1.5V RES RES 1.16 V 1.16V 10K 5V 4.5 Z L4949E Typ. Max. Unit 5 5. 5.10 V 5.25 V 0.1 0.25 V 0.2 0.4 V 0.3 0 200 400 mA 400 mA 100 mA 200 300 ...
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... A capacitor at pin 3 ( reduces also the output noise. FUNCTIONAL DESCRIPTION The L4949E is a monolithic integrated voltage regulator, based on the STM modular voltage regulator approch. Several outstanding features and auxiliary functions are implemented to meet the requirements of supplying microprocessor systems in automotive applications. Nevertheless suitable also in other applications where the present functions are required ...
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... The use of an external voltage divider makes this comparator very flexible in the application. It can be used to supervise the input voltage either before or after the protection diode and to give additional informations to the microprocessor like low voltage warnings. L4949E ). This volt defined with the RD : ...
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... L4949E Figure 4 Figure 5 6/10 ...
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... DIM. MIN. TYP. MAX. MIN. TYP. A 3.32 0.131 a1 0.51 0.020 B 1.15 1.65 0.045 b 0.356 0.55 0.014 b1 0.204 0.304 0.008 D 10.92 E 7.95 9.75 0.313 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 F 6.6 I 5.08 L 3.18 3.81 0.125 Z 1.52 OUTLINE AND MECHANICAL DATA MAX. 0.065 0.022 0.012 0.430 0.384 0.260 0.200 0.150 Minidip 0.060 L4949E 7/10 ...
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... L4949E mm DIM. MIN. TYP. MAX. MIN. 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 0.228 e 1.27 e3 3.81 F (1) 3.8 4.0 0.15 L 0.4 1.27 0.016 M 0 (max.) (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0.15mm (.006inch). 8/10 inch OUTLINE AND TYP ...
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... A1 0.1 0.3 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 D 12.6 13 0.496 E 7.4 7.6 0.291 e 1.27 0.050 H 10 10.65 0.394 h 0.25 0.75 0.010 L 0.4 1.27 0.016 K 0 (min.)8 (max OUTLINE AND MECHANICAL DATA MAX. 0.104 0.012 0.020 0.013 0.512 0.299 0.419 0.030 0.050 L4949E SO20 SO20MEC 9/10 ...
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... L4949E 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. Specification mentioned in this publication are subject to change without notice ...