LMZ10503TZE-ADJ National Semiconductor Corporation, LMZ10503TZE-ADJ Datasheet - Page 4

• Manufacturer Part Number: LMZ10503TZE-ADJ
• Description: 3a Simple Switcher Power Module With 5.5v Maximum Input Voltage
• Manufacturer: National Semiconductor Corporation

www.national.com
SYSTEM PARAMETERS
PWM SECTION
ENABLE CONTROL
THERMAL CONTROL
THERMAL RESISTANCE
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN, VOUT, EN, FB, SS to GND
ESD Susceptibility
Power Dissipation
Junction Temperature
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
EN-IH
θ
I
I
OCL
f
EN-IF
range
SW
I
SS
SD
FB
SD
Q
JA
JC
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
6)
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
5)
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
4
= 2.95V to 5.5V
= 3.3V, V
= 3.3V, V
= 5.5V, V
= 1V
= 0A to 3A
= 0A
= 3A
= 2.5V
= 2.5V
3)
VIN to GND
Junction Temperature (T
Storage Temperature Range
For Soldering Specs see:
www.national.com/ms/MS/MS-SOLDERING.pdf
Operating Ratings
OUT
OUT
EN
= 0V
= 2.5V
= 2.5V
(Note
0.787
0.785
0.78
1.95
J
Min
750
3.8
0.8
J
= 25°C only; limits in bold face type
0
)
7)
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
5.2
1.9
10
20
2
5)
8)
-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
3
7)
Units
°C/W
°C/W
kHz
kHz
mA
µA
µA
°C
°C
%
V
V
V
V
A
V
V