LMZ10504EVAL National Semiconductor, LMZ10504EVAL Datasheet - Page 3
![BOARD EVAL PWR MODULE LMZ10504](/photos/9/13/91369/lmz10504eval_sml.jpg)
LMZ10504EVAL
Manufacturer Part Number
LMZ10504EVAL
Description
BOARD EVAL PWR MODULE LMZ10504
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Specifications of LMZ10504EVAL
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
2.5V
Current - Output
4A
Voltage - Input
2.95 ~ 5.5 V
Regulator Topology
Buck
Frequency - Switching
1MHz
Board Type
Fully Populated
Utilized Ic / Part
LMZ10504
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
LMZ10504EVAL/NOPB
SYSTEM PARAMETERS
PWM SECTION
ENABLE CONTROL
THERMAL CONTROL
THERMAL RESISTANCE
VIN, VOUT, EN, FB, SS to GND
ESD Susceptibility
Power Dissipation
Junction Temperature
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
apply over the operating junction temperature range T
test, design, or statistical correlation. Typical values represent the most likely parametric norm at T
reference purposes only. V
V
Symbol
T
D
V
V
IN(UVLO)
SD-HYS
V
V
V
I
T
f
θ
θ
I
EN-IH
I
OCL
f
range
EN-IF
SW
I
SD
SS
FB
SD
JC
Q
JA
FB
FB
FB
(Note
Parameter
Total Feedback Voltage Variation
Including Line and Load Regulation
Feedback Voltage Variation
Feedback Voltage Variation
Input UVLO Threshold (Measured at VIN
pin)
Soft-Start Current
Non-Switching Input Current
Shut Down Quiescent Current
Output Current Limit (Average Current)
Frequency Fold-back
Switching Frequency
PWM Duty Cycle Range
EN Pin Rising Threshold
EN Pin Falling Threshold
T
Hysteresis for Thermal Shutdown
Junction to Ambient
Junction to Case
J
for Thermal Shutdown
4)
IN
= V
EN
= 3.3V, unless otherwise indicated in the conditions column.
Internally Limited
Specifications with standard typeface are for T
-0.3V to 6.0V
(Note
3)
J
150°C
±2 kV
of -40°C to 125°C. Minimum and maximum limits are guaranteed through
Conditions
V
V
I
V
I
V
I
Rising
Falling
Charging Current
V
V
V
In current limit
(Note
No air flow
OUT
OUT
OUT
IN
OUT
IN
IN
FB
IN
OUT
3
= 2.95V to 5.5V
= 3.3V, V
= 3.3V, V
= 5.5V, V
= 1V
= 0A to 4A
= 0A
= 4A
= 2.5V
= 2.5V
1)
Storage Temperature Range
Peak Reflow Case Temperature
(30 sec)
VIN to GND
Junction Temperature (T
Operating Ratings
OUT
OUT
EN
= 0V
= 2.5V
= 2.5V
(Note
0.787
0.785
0.78
1.95
J
Min
750
4.1
0.8
J
0
= 25°C only; limits in bold face type
)
5)
J
= 25°C, and are provided for
(Note
(Note
0.798
1000
1.23
1.06
Typ
260
250
145
0.8
0.8
2.6
2.4
1.7
5.5
1.9
10
20
2
3)
6)
-65°C to 150°C
-40°C to 125°C
(Note
2.95V to 5.5V
0.812
1160
Max
0.82
0.81
2.95
500
100
6.7
1.8
www.national.com
3
5)
245°C
Units
°C/W
°C/W
kHz
kHz
mA
µA
µA
°C
°C
%
V
V
V
V
A
V
V