L4979D STMicroelectronics, L4979D Datasheet
L4979D
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L4979D Summary of contents
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... Table 1. Order Codes watchdog watchdog Voltage reference Voltage reference reset reset L4979MD SO-8 SO-20 Part Number L4979D L4979MD L4979D013TR SO-8 in Tape & Reel L4979MD013TR SO-20 in Tape & Reel 5V, 150 mA 5V, 150 gnd gnd En En Res Res L4979D Package SO-8 SO-20 Rev. 6 1/10 ...
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... L4979MD L4979D Table 2. Pin Function SO8 SO20 Pin N° N° Name gnd 5,6,15,16 gnd 3 7 Res 4 10 Vcr 5 11 Vcw 12 13, 18, 19 Figure 3. Pins Connection (Top view) 2/10 Enable input If high, regulator, watchdog and reset are operating. If low, regulator, watchdog and reset are shut down. ...
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... Test Condition V = 13.5V, I =150mA enable high all I/O currents 13.5V 0mA enable high all I/O currents = 13.5V 0mA enable low all I/O currents = 0 L4979MD L4979D Value -0 internally limited -0 internally limited -0 +0 +0.3 vo internally limited -0 +0 +0 -40 to 150 ±2 ...
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... L4979MD L4979D Table 5: Electrical Characteristics (continued) Pin Symbol Parameter VOLTAGE REGULATOR V V Output voltage o o_ref short Output short circuit current V I Output current limitation o lim Line regulation voltage s o line V V Load regulation voltage o load Drop voltage SVR Ripple rejection s o RESET ...
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... The oscillator period is given by: Test Condition V = 13.5V 0. 13.5V 2. 13.5V 47nF 13.5V 47nF Vo_ref Vo_ref Ishort Ilim Ishort Ilim L4979MD L4979D Min. Typ. Max. 4 7.5 14 1.0 2.4 4 700 1000 1100 Iout Iout then Res becomes low o_th - V ). The reset low signal is o-th ...
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... L4979MD L4979D T osc and reset pulse delay trd is given by: Figure 5. Reset Time Diagram < trr V o Vcr WATCHDOG The watchdog input Wi monitors a connected microcontroller. If pulses are missing, the reset output Res is set to low. The pulse sequence time can be set within a wide range thorough the external capacitor C watchdog circuit discharges the capacitor C reached, a watchdog reset is generated ...
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... Mold flash, potrusions or gate burrs shall not exceed 0.15mm (.006inch) in total (both side). inch MIN. TYP. MAX. 0.053 0.069 0.004 0.010 0.043 0.065 0.013 0.020 0.007 0.010 0.189 0.197 0.15 0.157 0.050 0.228 0.244 0.010 0.020 0.016 0.050 0.004 L4979MD L4979D OUTLINE AND MECHANICAL DATA SO-8 0016023 C 7/10 ...
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... L4979MD L4979D Figure 8. SO-20 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) 12.60 13. 7.40 7.60 e 1.27 H 10.0 10.65 h 0.25 0.75 L 0.40 1.27 k 0˚ (min.), 8˚ (max.) ddd 0.10 (1) “D” dimension does not include mold flash, protusions or gate burrs ...
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... Changed some textes in the Features and table 2. Changed some values in the tables 3, 4 and 5. Changed some textes in the sections 2, 3 and 4. 5 Changed from Product Preview to final datasheet. 6 Modified the orderable part numbers for Tape & Reel. L4979MD L4979D Description of Changes 9/10 ...
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... L4979MD - L4979D Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...