LM5026EVAL National Semiconductor, LM5026EVAL Datasheet - Page 5

no-image

LM5026EVAL

Manufacturer Part Number
LM5026EVAL
Description
BOARD EVALUATION LM5026
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheets

Specifications of LM5026EVAL

Main Purpose
DC/DC, Step Down
Outputs And Type
1, Isolated
Voltage - Output
3.3V
Current - Output
30A
Voltage - Input
36 ~ 78V
Regulator Topology
Buck
Frequency - Switching
230kHz
Board Type
Fully Populated
Utilized Ic / Part
LM5026
Lead Free Status / RoHS Status
Not applicable / Not applicable
Power - Output
-
Startup Regulator
V
I-V
V
Reference Supply
V
UVLO Shutdown/Standby
Current Limit
CC
CC
REF
Symbol
V
V
CS to GND
COMP Input Current
All other inputs to GND
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications with standard typeface are for T
perature range. V
IN
IN
CC
Reg
Supply
to GND
to GND
V
V
Startup Regulator
Leakage (external Vcc
Supply)
Shutdown Current (Iin) UVLO = 0V
V
Lockout Voltage
(positive going V
V
Hysteresis
V
(I
Ref Voltage
Ref Voltage Regulation I
Ref Current Limit
Undervoltage
Shutdown Threshold
Undervoltage
Shutdown Hysteresis
Undervoltage Standby
Threshold
Undervoltage Standby
Hysteresis Current
Source
Cycle by Cycle
Threshold Voltage
ILIM Delay to Output
Leading Edge Blanking
Time
CS Sink Impedance
(clocked)
CC
CC
CC
CC
CC
CC
)
Regulation
Current Limit
Under-voltage
Under-voltage
Supply Current
Parameter
IN
= 48V, V
cc
)
CC
= 10V, RT = 30.0kΩ, R
No Load
(Note
V
C
I
CS step from 0 to 0.6V Time to
onset of OUT transition (90%)
Cgate=0
I
REF
REF
CS
IN
gate
= 10mA
= 100V
= 0 mA
= 0 to 10mA
-0.3V to 105V
-0.3V to 16V
-0.3 to 1.0V
10mA
-0.3 to 7V
= 0, UVLO = 1.3V
4)
Conditions
J
(Note
= 25°C, and those with boldface type apply over full Operating Junction Tem-
1)
SET
= 34.8kΩ) unless otherwise stated
5
ESD Rating
Storage Temperature Range
Junction Temperature
V
External Voltage Applied to V
Operating Junction Temperature
Operating Ratings
IN
Human Body Model
Voltage
V
CC
220mV
4.85
1.21
0.45
Min
7.3
1.0
0.3
20
10
16
70
Reg -
(Note
2)
V
CC
120mV
1.25
Typ
165
350
100
(Note
7.6
1.5
0.4
0.1
0.5
25
25
20
20
40
30
Reg -
5
CC
3)
(Note
1)
2kV
-65°C to 150°C
150°C
Max
5.15
1.29
0.55
500
450
130
7.9
2.0
4.2
0.5
50
24
65
-40°C to +125°C
www.national.com
13 to 100V
8V to 15V
Units
mA
mA
mV
mA
µA
µA
µA
ns
ns
V
V
V
V
V
V
V
V

Related parts for LM5026EVAL