lm5050mkx-1 National Semiconductor Corporation, lm5050mkx-1 Datasheet
![no-image](/images/no-image-200.jpg)
lm5050mkx-1
Available stocks
Related parts for lm5050mkx-1
lm5050mkx-1 Summary of contents
Page 1
... FET when current flows in the reverse direction. The LM5050-1 can connect power supplies ranging from +5V to +75V and can withstand transients up to +100V. Typical Application Circuits FIGURE 2. Typical Redundant Supply Configuration © 2011 National Semiconductor Corporation LM5050-1 Features ■ Wide Operating Input Voltage range, V ■ ...
Page 2
... Connection Diagram Ordering Information Order Number LM5050MK-1 LM5050MKX-1 Pin Descriptions Pin # www.national.com Top View 30104806 LM5050MK-1 TSOT-6 Package NS Package Number MK06A Package Type TSOT-6 TSOT-6 Name The main supply pin for all internal biasing and an auxiliary supply for the internal gate drive charge pump. Typically connected to ...
Page 3
Absolute Maximum Ratings IN, OUT Pins to Ground (Note 4) GATE Pin to Ground (Note 4) VS Pin to Ground OFF Pin to Ground Storage Temperature Range Electrical Characteristics operating junction temperature (T ) range of -40°C to +125°C. Minimum ...
Page 4
Symbol Parameter Gate Capacitance Discharge Time at t Forward to Reverse Transition GATE(REV) See Figure 3 Gate Capacitance DischargeTime at t OFF pin Low to High Transition GATE(OFF) See Figure 4 I Gate Pin Sink Current GATE(OFF) Reverse V Threshold ...
Page 5
FIGURE 3. Gate Off Timing for Forward to Reverse Transition FIGURE 4. Gate Off Timing for OFF pin Low to High Transition 5 30104825 30104826 www.national.com ...
Page 6
Typical Performance Characteristics Unless otherwise stated 12V OUT OUT www.national.com = 12V 0.0V, and T = 25°C IN OFF J 30104834 ...
Page 7
GATE OUT Forward C Charge Time GATE GATE 26 Vin Vout 24 Vgate ...
Page 8
OFF Pin Thresholds vs Temperature C Charge and Discharge vs OFF Pin GATE OFF Pin, Off to On Transition www.national.com OFF Pin Pull-Down vs Temperature 30104827 OFF Pin Off Transition 30104815 GATE Pin vs (R 30104817 8 30104828 ...
Page 9
Block Diagram 9 30104822 www.national.com ...
Page 10
Applications Information FUNCTIONAL DESCRIPTION Systems that require high availability often use multiple, par- allel-connected redundant power supplies to improve reliabil- ity. Schottky OR-ing diodes are typically used to connect these redundant power supplies to a common point at the load. ...
Page 11
... OUT pin (i. < 75V ), but most MOS- IN (BR)DSS(MAX) FET datasheets do not guarantee the maximum breakdown rating, so this method should be used with caution. FIGURE 8. MOSFET Selection The important MOSFET electrical parameters are the maxi- mum continuous Drain current I ...
Page 12
R increases as the junction temperature increases DISS D DS(ON) Operating with a maximum ambient temperature (T 35°C, a load current of 10A, and an R desiring to keep ...
Page 13
FIGURE 11. Typical Application with Input and Output Transient Protection FIGURE 12. +48V Application with Reverse Input Voltage (V = -48V) Protection IN 13 30104843 30104844 www.national.com ...
Page 14
Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 6-Lead TSOT Package NS Package Number MK06A 14 ...
Page 15
Notes 15 www.national.com ...
Page 16
... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...