LM3489EVAL National Semiconductor, LM3489EVAL Datasheet - Page 3

• Manufacturer Part Number: LM3489EVAL
• Description: BOARD EVALUATION LM3489
• Manufacturer: National Semiconductor

Specifications of LM3489EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 500mA
• Voltage - Input: 7 ~ 28V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: LM3489
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -
• Frequency - Switching: -

VIN Voltage
PGATE Voltage
FB Voltage
ISENSE Voltage
ADJ Voltage
EN Voltage (Note 3)
Maximum Junction Temp.
Power Dissipation, T
2)
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
bold type face apply over the full Operating Temperature Range (T
V
T
V
%V
T
ISNS
V
ONMIN_NOR
Symbol
(Note 7)
(Note 9)
CL_OFFSET
R
ONMIN_CL
I
I
EN_HYST
V
I
CL_ADJ
PGATE
SHDN
PGATE
V
V
FB
T
HYST
I
I
FB
= V
EN
Q
FB
CL
/ΔV
IN
IN
− 1V, and V
Shutdown input supply current
Enable threshold voltage
Enable threshold hysteresis
Quiescent Current at ground pin
Feedback Voltage
Comparator Hysteresis
Current limit comparator offset
Current limit ADJ current source
Current limit one shot off time
Driver resistance
Driver Output current
FB pin Bias Current
Minimum on time in normal
operation
Minimum on time in current limit
Feedback Voltage Line Regulation 4.5
A
= 25°C (Note
ADJ
= V
Parameter
IN
− 1.1V. Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
(Note 5)
(Note 1)
−0.3V to 36V
−0.3V to 36V
−1.0V to 36V
-1V (<100ns)
−0.3V to 36V
−0.3V to 5V
−0.3V to 6V
EN = 0V
Enable rising
FB = 1.5V (Not Switching)
V
V
V
V
V
Source
I
Sink
I
Source
V
Sink
VIN = 7V, PGATE = 3.5V
V
V
Cload on OUT = 1000pF (Note 10)
V
VFB = 1.0V
Cload on OUT = 1000pF (Note 10)
,
SOURCE
SINK
FB
FB
ADJ
ISNS
FB
IN
FB
ISNS
ISNS
417mW
150°C
(Note 6)
= 7V, PGATE = 3.5V
≤
= 1.0V
= 1.5V
= 1.0V
= 1.0V
= 11.5V
= 100mA
= 11.0V
= V
= V
V
IN
= 100mA
ADJ
ADJ
≤
3
35V
Conditions
- 0.1V
+ 0.1V
Specifications in Standard type face are for T
ESD Susceptibilty (Note 4)
Lead Temperature
Storage Temperature
Operating Ratings
J
Supply Voltage Range (V
EN Voltage (max.) (Note 3)
Operating Junction Temperature (T
= −40°C to +125°C). Unless otherwise specified, V
Human Body Model
Vapor Phase (60 sec.)
Infared (15 sec.)
1.223
1.214
1.15
Min
-20
3.0
IN
6
)
(Note 1)
1.239
0.44
0.01
Typ
J
130
280
300
100
200
1.5
5.5
5.5
8.5
0.1
10
14
)
7
0
9
−40°C to +125°C
J
= 25°C, and in
1.255
1.264
−65°C to 150°C
Max
1.85
400
+20
750
7.0
15
15
20
14
4.5V to 35V
www.national.com
IN
= 12V,
5.5V
215°C
220°C
Units
%/V
mV
mV
mV
µA
µA
µA
nA
µs
ns
ns
2kV
Ω
V
V
A