LM5068MM-3/NOPB National Semiconductor, LM5068MM-3/NOPB Datasheet - Page 15
![IC CONTROLLER HOTSWAP -48V 8MSOP](/photos/6/57/65756/pkg_mua08a_sml.jpg)
LM5068MM-3/NOPB
Manufacturer Part Number
LM5068MM-3/NOPB
Description
IC CONTROLLER HOTSWAP -48V 8MSOP
Manufacturer
National Semiconductor
Type
Hot-Swap Controllerr
Datasheet
1.LM5068MM-3NOPB.pdf
(26 pages)
Specifications of LM5068MM-3/NOPB
Applications
General Purpose
Internal Switch(s)
No
Voltage - Supply
-10 V ~ -90 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
For Use With
LM5068EVAL - EVALUATION BOARD FOR LM5068
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM5068MM-3
LM5068MM-3TR
LM5068MM-3TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM5068MM-3/NOPB
Manufacturer:
National Semiconductor
Quantity:
1 821
Company:
Part Number:
LM5068MM-3/NOPB
Manufacturer:
NS
Quantity:
3 489
Timing Diagrams
Assuming all of the initial conditions are met, the power-up
sequence starts with Timer capacitor (C
C
quickly discharge to V
GATE current source is enabled. The GATE voltage in-
creases until the MOSFET starts conducting causing the
SENSE voltage to increase until Active Current Limiting is
T
is charged with 6µA current source up to V
TLVT
(1V). At time point (2) the 60µA
FIGURE 5. System Power-Up Timing Behavior
T
) getting charged.
THVT
(4V) then
15
activated (3). During the current limiting period (3-4), C
charged again, but there is not enough time to reach the 4V
threshold before the load capacitor is fully charged and the
SENSE voltage falls below V
enhance the MOSFET and activating the PWRGD when the
GATE voltage exceeds 8V.
20078625
CB
. The GATE continues to fully
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T
is