LM22672EVAL/NOPB National Semiconductor, LM22672EVAL/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM22672EVAL/NOPB
• Description: BOARD EVALUATION FOR LM22672
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r

Specifications of LM22672EVAL/NOPB

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 1A
• Voltage - Input: 4.5 ~ 42V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM22672
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM22672EVAL; LM22672EVAL

LM22672-5.0
LM22672-ADJ
All Output Voltage Versions
VIN to GND
EN Pin Voltage
SS, RT/SYNC Pin Voltage
SW to GND
BOOT Pin Voltage
FB Pin Voltage
Power Dissipation
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
only. Unless otherwise specified: V
Symbol
V
R
T
T
I
F
V
OFFMIN
ENHYST
STDBY
I
DS(ON)
ONMIN
V
V
V
T
BIAS
SYNC
SYNC
θ
I
I
I
I
f
CL
I
EN
SS
SD
FB
FB
Q
O
EN
JA
L
(Note
Parameter
Feedback Voltage
Feedback Voltage
Quiescent Current
Standby Quiescent Current
Current Limit
Output Leakage Current
Switch On-Resistance
Oscillator Frequency
Minimum Off-time
Minimum On-time
Feedback Bias Current
Enable Threshold Voltage
Enable Voltage Threshold
Hysteresis
Enable Input Current
Synchronization Frequency
Synchronization Threshold
Voltage
Soft-Start Current
Thermal Shutdown
Threshold
Thermal Resistance
2)
J
) range of -40°C to +125°C. Minimum and Maximum limits are guaranteed through test, design, or statistical
IN
= 12V.
Conditions
V
V
V
EN Pin = 0V
V
V
V
Falling
EN Input = 0V
V
MR Package, Junction to ambient
temperature resistance
Internally Limited
IN
IN
FB
IN
SW
FB
SYNC
Limits in standard type are for T
= 8V to 42V
= 4.7V to 42V
= 42V, EN Pin = 0V, V
= 5V
= 1.3V (ADJ Version Only)
= -1V
(Note
-0.5V to 6V
-0.5V to 7V
-0.5V to 7V
= 3.5V, 50% duty-cycle
-5V to V
V
SW
1)
+ 7V
43V
IN
3
(Note
Junction Temperature
Soldering Information
ESD Rating
Storage Temperature Range
Supply Voltage (V
Junction Temperature Range
Operating Ratings
SW
Infrared (5 sec.)
Human Body Model
= 0V
6)
A
= T
J
J
= 25°C only; limits in boldface type apply over the
= 25°C, and are provided for reference purposes
(Note
1.266/1.259
4.925/4.9
(Note
1.3/1.2
Min
400
100
1.3
30
IN
3)
)
5)
(Note
1.285
1.75
Typ
500
200
100
230
150
5.0
3.4
1.5
0.2
0.1
0.2
1.6
0.6
25
50
60
6
1
(Note
4)
1)
1.304/1.311
5.075/5.1
0.24/0.32
(Note
1.7/1.8
Max
-65°C to +150°C
-40°C to +125°C
600
300
1.9
40
70
6
2
3
5)
www.national.com
4.5V to 42V
150°C
260°C
±2 kV
Units
°C/W
MHz
kHz
mA
µA
µA
µA
nA
µA
µA
°C
ns
ns
Ω
V
V
A
V
V
V