LM3481EVAL/NOPB National Semiconductor, LM3481EVAL/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM3481EVAL/NOPB
• Description: EVAL BOARD FOR LM3481
• Manufacturer: National Semiconductor

Specifications of LM3481EVAL/NOPB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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V
V
V
V
V
Gm
A
I
V
t
t
t
V
I
T
T
θ
EAO
SS
r
f
SD
SD
sh
JA
SENSE
SC
SL
OVP
OVP(HYS)
VOL
EAO
SD
Symbol
Current Sense Threshold
Voltage
Over Load Current Limit
Sense Voltage
Internal Compensation
Ramp Voltage
Output Over-voltage
Protection (with respect to
feedback voltage)
Output Over-Voltage
Protection Hysteresis
Error Amplifier
Transconductance
Error Amplifier Voltage
Gain
Error Amplifier Output
Current (Source/ Sink)
Error Amplifier Output
Voltage Swing
Internal Soft-Start Delay
Drive Pin Rise Time
Drive Pin Fall Time
Shutdown signal threshold
(Note
Shutdown Pin Current
FA/SYNC/SD pin
Thermal Shutdown
Thermal Shutdown
Hysteresis
Thermal Resistance
5) FA/SYNC/SD pin
Parameter
(Note
7)
V
V
V
V
I
Source, V
1.1V
Sink, V
Upper Limit
V
COMP Pin Floating
Lower Limit
V
V
Cgs = 3000 pf, V
Cgs = 3000 pf, V
Output = High (Shutdown)
Output = Low (Enable)
V
V
MM Package
EAO
COMP
COMP
COMP
COMP
FB
FB
FB
SD
SD
= 1.2V, COMP Pin Floating
= 0V
= 1.4V
= 5V
= 0V
= 100 µA (Source/Sink)
= 1.4V
= 1.4V
= 1.4V
= 1.4V
COMP
Conditions
COMP
= 1.4V, V
= 1.4V, V
DR
DR
= 0V to 3V
= 3V to 0V
FB
= 1.4V
4
FB
=
2.45
0.32
0.40
Min
100
157
216
475
26
28
35
31
Typical
2.70
0.60
1.31
0.68
160
220
450
640
165
200
90
85
70
60
65
15
25
25
−1
20
10
Max
2.93
0.90
1.40
190
275
135
106
690
837
100
66
Units
µmho
°C/W
mV
mV
mV
mV
mV
V/V
µA
µA
ms
µA
°C
°C
ns
ns
V
V
V
V