L4936N STMicroelectronics, L4936N Datasheet
L4936N
Specifications of L4936N
Available stocks
Related parts for L4936N
L4936N Summary of contents
Page 1
... FOR ORDERING NUMBERS: L4936N (Multiwatt 11) = 500mA 02 DESCRIPTION TheL4936N/NH are monolithic integrated dual volt- age regulators with two very low dropout outputs and additional functions such as power-on reset and input voltage sense. They are designed for supply- ing microcomputer controlled systems specially in automotive applications ...
Page 2
... L4936N/NH BLOCK DIAGRAM V S1 REFERENCE 1.23V RESET SI SENSE (optional) THERMAL DATA Symbol R Thermal Resistance Junction-Case thj-case Note: VS1, VS2, SI pins are rated at 1500V versus positive ESD according to human body model; other pins are rated at 2000V. 2/11 REG1 REG2 2 2.0V 1.23V Parameter Max ...
Page 3
... Note : The circuit is ESD protected according to MIL–STD–883C. APPLICATION CIRCUIT 1.23V ESR < Parameter 0. > 0.3V C/W) MW11 A th heatsink POWERDIP REFERENCE REG1 REG2 2 RESET 1.23V SENSE (optional) at 10KHz L4936N/NH Value 28 40 –55 to 150 1 – 1166 V O1 1.23V V O2 ADJ CT RES 2.0V SO GND D94AT144A Unit ...
Page 4
... L4936N/NH ELECTRICAL CHARACTERISTICS (V Symbol Parameter V Operating Supply Voltage S V Standby Output Voltage Output Voltage 2 Tracking Error O2 O1 (note 1) I ADJ Input Current ADJ V Dropout Voltage 1 DP1 V Input to Output Voltage IO1 Difference in Undervoltage Condition V Dropout Voltage 2 DP2 V Input to Output Voltage IO2 Difference in Undervoltage ...
Page 5
... Foldback characteristic FUNCTIONAL DESCRIPTION The L4936N/NH are based on the SGS-THOMSON Microelectronics modular voltage regulator ap- proach. Several out-standing features and auxiliary functions are provided to meet the requirements of supplying the microprocessor systems used in auto- motive applications. ...
Page 6
... L4936N/NH Figure 1 : Output Voltage vs. Input Voltage. Figure 2 : Quiescent Current vs. Supply Voltage. Figure 3 : Programmable Output 2 Voltage with External Resistors. 6/11 ...
Page 7
... This function can be used to supervise the input voltage - either before or after T the protection diode - and to give additional informa tion to the microprocessor such as low voltage warn- ings. L4936N/ reset output variation RR . This time is typically equal 7/11 ...
Page 8
... L4936N/NH Figure 5 : Typical Reset Output Waveforms. 1.5V 8/11 ...
Page 9
... TYP. MAX. MECHANICAL DATA 0.197 0.104 0.063 0.039 0.022 0.037 0.067 0.077 0.669 0.679 0.795 0.874 0.886 0.87 0.886 0.713 0.689 0.699 0.421 0.429 0.114 0.179 0.191 0.200 0.214 0.102 0.102 0.152 L4936N/NH OUTLINE AND Multiwatt11 V 9/11 ...
Page 10
... L4936N/NH mm DIM. MIN. TYP. MAX 2.65 C 1.6 E 0.49 0.55 0.019 F 0.66 0.75 0.026 G 1.14 1.27 1.4 0.045 G1 17.57 17.78 17.91 0.692 H1 19.6 0.772 H2 20.2 L 20.57 L1 18.03 L2 2.54 L3 17.25 17.5 17.75 0.679 L4 10.3 10.7 10.9 0.406 L5 5.28 L6 2.38 L7 2.65 2.9 0.104 S 1.9 2 ...
Page 11
... STMicroelectronics – Printed in Italy – All Rights Reserved MULTIWATT® Registered Trademark of STMicroelectronics Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. STMicroelectronics GROUP OF COMPANIES http://www.st.com L4936N/NH 11/11 ...