LMZ14203TZ-ADJ NSC [National Semiconductor], LMZ14203TZ-ADJ Datasheet - Page 4

• Manufacturer Part Number: LMZ14203TZ-ADJ
• Manufacturer: NSC [National Semiconductor]

www.national.com
SYSTEM PARAMETERS
Enable Control
Soft-Start
Current Limit
ON/OFF Timer
Regulation and Over-Voltage Comparator
Thermal Characteristics
PERFORMANCE PARAMETERS
VIN, RON to GND
EN, FB, SS to GND
Junction Temperature
Storage Temperature Range
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
junction temperature (T
correlation. Typical values represent the most likely parametric norm at T
Unless otherwise stated the following conditions apply: V
ΔV
ΔV
T
Symbol
V
t
V
I
SD-HYST
ON-MIN
SS-DIS
EN-HYS
ΔV
t
V
V
T
O
FB-OV
θ
I
θ
O
I
I
OFF
I
I
SD
SS
CL
FB
EN
SD
JC
/ΔV
FB
Q
JA
/I
O
OUT
IN
Parameter
EN threshold trip point
EN threshold hysteresis
SS source current
SS discharge current
Current limit threshold
ON timer minimum pulse width
OFF timer pulse width
In-regulation feedback voltage
Feedback over-voltage
protection threshold
Feedback input bias current
Non Switching Input Current
Shut Down Quiescent Current
Thermal Shutdown
Thermal shutdown hysteresis
Junction to Ambient
Junction to Case
Output Voltage Ripple
Line Regulation
Load Regulation
J
) range of -40°C to +125°C. Minimum and Maximum limits are guaranteed through test, design or statistical
Limits in standard type are for T
-65°C to 150°C
-0.3V to 43.5V
(Note
Conditions
V
V
V
d.c. average
V
V
T
I
V
T
I
V
V
Rising
Falling
4 layer JEDEC Printed Circuit Board,
100 vias, No air flow
2 layer JEDEC Printed Circuit Board, No
air flow
No air flow
V
V
O
O
-0.3V to 7V
J
J
EN
EN
SS
IN
SS
SS
FB
EN
IN
IN
= 3A
= 10 mA
= -40°C to 125°C
= 25°C
= 12V to 24V
= 0.86V
= 0V
= 12V to 42V, I
= 24V
= 0V
>+ 0.8V
>+ 0.8V
rising
falling
1)
150°C
IN
= 24V, Vout = 3.3V
4
O
ESD
For soldering specifications:
see product folder at www.national.com and
www.national.com/ms/MS/MS-SOLDERING.pdf
V
EN
Operation Junction Temperature
Operating Ratings
= 3A
IN
J
Susceptibility(Note
= 25°C, and are provided for reference purposes only.
J
= 25°C only; limits in boldface type apply over the
(Note
0.784
0.786
2)
Min
1.1
3.2
5
3)
(Note
(Note
0.804
0.802
1.18
-200
0.92
19.3
21.5
Typ
150
260
165
4.2
1.9
.01
1.5
90
25
15
8
5
1
8
1)
4)
−40°C to 125°C
(Note
0.825
0.818
Max
1.25
5.25
11
0V to 6.5V
6V to 42V
3)
± 2 kV
mV
Units
mV/A
°C/W
°C/W
°C/W
mV
mA
µA
µA
nA
μA
°C
°C
ns
ns
%
V
A
V
V
V
PP