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LMZ10503EXTTZE bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện LMZ10503EXTTZE
Giải thích chi tiết về linh kiện  3A SIMPLE SWITCHER짰 Power Module with 5.5V Maximum Input Voltage for Military and Rugged Applications
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LMZ10503EXTTZE bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 5)
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
-0.3V to 6.0V
ESD Susceptibility (Note 5)
±2 kV
Power Dissipation
Internally Limited
Junction Temperature
150°C
Storage Temperature Range
-65°C to 150°C
For Soldering Specs see:
www.national.com/ms/MS/MS-SOLDERING.pdf
Operating Ratings (Note 5)
VIN to GND
2.95V to 5.5V
Junction Temperature (T
J)
-55°C to 125°C
Electrical Characteristics Specifications with standard typeface are for T
J = 25°C only; limits in bold face type
apply over the operating junction temperature range T
J of -55°C to 125°C. Minimum and maximum limits are guaranteed through
test, design, or statistical correlation. Typical values represent the most likely parametric norm at T
J = 25°C, and are provided for
reference purposes only. V
IN = VEN = 3.3V, unless otherwise indicated in the conditions column.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 8)
Max
(Note 7)
Units
SYSTEM PARAMETERS
V
FB
Total Feedback Voltage Variation
Including Line and Load Regulation
V
IN = 2.95V to 5.5V
V
OUT = 2.5V
I
OUT = 0A to 3A
0.78
0.8
0.82
V
V
FB
Feedback Voltage Variation
V
IN = 3.3V, VOUT = 2.5V
I
OUT = 0A
0.787
0.8
0.812
V
V
FB
Feedback Voltage Variation
V
IN = 3.3V, VOUT = 2.5V
I
OUT = 3A
0.785
0.798
0.81
V
V
IN(UVLO)
Input UVLO Threshold (Measured at VIN
pin)
Rising
2.6
2.95
V
Falling
1.95
2.4
I
SS
Soft-Start Current
Charging Current
2
µA
I
Q
Non-Switching Input Current
V
FB = 1V
1.7
3
mA
I
SD
Shut Down Quiescent Current
V
IN = 5.5V, VEN = 0V
260
500
µA
I
OCL
Output Current Limit (Average Current)
V
OUT = 2.5V
3.8
5.2
6.7
A
f
FB
Frequency Fold-back
In current limit
250
kHz
PWM SECTION
f
SW
Switching Frequency
700
1000
1160
kHz
D
range
PWM Duty Cycle Range
0
100
%
ENABLE CONTROL
V
EN-IH
EN Pin Rising Threshold
1.23
1.8
V
V
EN-IF
EN Pin Falling Threshold
0.8
1.06
V
THERMAL CONTROL
T
SD
T
J for Thermal Shutdown
145
°C
T
SD-HYS
Hysteresis for Thermal Shutdown
10
°C
THERMAL RESISTANCE
θ
JA
Junction to Ambient
(Note 1)
20
°C/W
θ
JC
Junction to Case
No air flow
1.9
°C/W
3
www.national.com


Số phần tương tự - LMZ10503EXTTZE

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