LM5025EVAL National Semiconductor, LM5025EVAL Datasheet - Page 6
![EVALUATION BOARD FOR LM5025](/photos/9/13/91379/lm5025eval_sml.jpg)
LM5025EVAL
Manufacturer Part Number
LM5025EVAL
Description
EVALUATION BOARD FOR LM5025
Manufacturer
National Semiconductor
Series
PowerWise®r
Specifications of LM5025EVAL
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
3.3V
Current - Output
30A
Voltage - Input
36 ~ 72V
Regulator Topology
Buck
Frequency - Switching
230kHz
Board Type
Fully Populated
Utilized Ic / Part
LM5025
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Other names
*LM5025EVAL
*LM5025EVAL/NOPB
LM5025EVAL
*LM5025EVAL/NOPB
LM5025EVAL
www.national.com
Soft-Start
Oscillator
PWM Comparator
Volt x Second Clamp
UVLO Shutdown
Output Section
Electrical Characteristics
Symbol
Specifications with standard typeface are for T
Temperature range. V
Soft-start Current
Source Normal
Soft-start Current
Source following a
CS2 event
Frequency1
Frequency2
Sync threshold
Min Sync Pulse Width
Sync Frequency
Range
Delay to Output
Duty Cycle Range
COMP to PWM Offset
COMP Open Circuit
Voltage
COMP Short Circuit
Current
Ramp Clamp Level
Undervoltage
Shutdown Threshold
Undervoltage
Shutdown Hysteresis
OUT_A High
Saturation
OUTPUT_A Peak
Current Sink
OUT_A Low
Saturation
OUTPUT_A Rise Time
OUTPUT_A Fall Time
OUT_B High
Saturation
OUTPUT_B Peak
Current Sink
OUT_B Low
Saturation
OUTPUT_B Rise Time
Parameter
IN
= 48V, V
CC
T
T
RT = 10.4KΩ
COMP step 5V to 0V
Time to onset of OUT_A
transition low
COMP = 0V
Delta RAMP measured
from onset of OUT_A to
Ramp peak.
COMP = 5V
MOS Device
-10mA,
Bipolar Device
MOS Device
10mA,
C
C
MOS Device
-10mA,
Bipolar Device
MOS Device
10mA,
C
= 10V, RT = 31.3kΩ, R
A
J
gate
gate
gate
= T
= 25˚C
= 2.2nF
= 2.2nF
= 1nF
(Continued)
low
Conditions
J
to T
= 25˚C, and those with boldface type apply over full Operating Junction
@
@
@
@
high
@
@
Iout =
Iout =
Iout =
Iout =
Vcc/2
Vcc/2
SET
6
= 27.4kΩ) unless otherwise stated (Note 3)
2.44
Min
180
175
500
160
0.5
0.7
4.3
0.6
2.4
17
16
0
Typ
200
580
2.5
2.5
22
40
20
20
15
10
12
20
1
2
1
1
5
3
6
1
Max
2.56
220
225
660
100
1.5
1.3
5.9
1.4
2.6
27
80
24
10
20
18
9
Units
kHz
kHz
kHz
mA
µA
µA
µA
ns
ns
ns
ns
ns
%
Ω
Ω
Ω
Ω
V
V
V
V
V
A
A