LMZ10504DEMO/NOPB National Semiconductor, LMZ10504DEMO/NOPB Datasheet - Page 3

no-image

LMZ10504DEMO/NOPB

Manufacturer Part Number
LMZ10504DEMO/NOPB
Description
BOARD DEV PWR MODULE LMZ10504
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r

Specifications of LMZ10504DEMO/NOPB

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
Contains lead / RoHS non-compliant
Power - Output
-
Other names
LMZ10504DEMO
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

Related parts for LMZ10504DEMO/NOPB