LM3488QMM National Semiconductor, LM3488QMM Datasheet - Page 3

• Manufacturer Part Number: LM3488QMM
• Description: LM3488/LM3488Q High Efficiency Low-Side N-Channel Controller for Switching Regulators; Package: MINI SOIC; No of Pins: 8; Container: Reel
• Manufacturer: National Semiconductor

V
ΔV
ΔV
V
V
F
R
R
V
D
T
I
I
V
V
SUPPLY
Q
nom
min
FB
UVLO
UV(HYS)
DR (max)
SENSE
SC
DS1 (ON)
DS2 (ON)
max
Input Voltage
FB Pin Voltage
FA/SYNC/SD Pin Voltage
Peak Driver Output Current (<10µs)
Power Dissipation
Storage Temperature Range
Junction Temperature
ESD Susceptibilty
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications in Standard type face are for T
Range. Unless otherwise specified, V
Symbol
LINE
LOAD
(on)
Human Body Model (Note 2)
Feedback Voltage
Feedback Voltage Line
Regulation
Output Voltage Load
Regulation
Input Undervoltage Lock-out
Input Undervoltage Lock-out
Hysteresis
Nominal Switching Frequency R
Driver Switch On Resistance
(top)
Driver Switch On Resistance
(bottom)
Maximum Drive Voltage
Swing(Note 6)
Maximum Duty Cycle(Note 7)
Minimum On Time
Supply Current (switching)
Quiescent Current in
Shutdown Mode
Current Sense Threshold
Voltage
Short-Circuit Current Limit
Sense Voltage
Parameter
IN
= 12V, R
-0.4V < V
Internally Limited
−65°C to +150°C
-0.4V < V
V
2.97
2.97
I
I
I
V
V
(Note 9)
V
5V
V
V
EAO
DR
DR
J
COMP
IN
IN
FA/SYNC/SD
IN
IN
FA
= 25°C, and in bold type face apply over the full Operating Temperature
= 0.2A, V
= 0.2A
(Note 1)
< 7.2V
≥
= 5V
= 5V
= 40KΩ
Source/Sink
FA
≤
≤
7.2V
FA/SYNC/SD
= 1.4V,
V
V
= 40kΩ
IN
IN
+150°C
FB
≤
≤
Conditions
< 7V
< 7V
1.0A
= 5V(Note 10), V
45V
2kV
IN
40V
40V
= 5V
3
Lead Temperature
DR Pin Voltage
I
Operating Ratings
LIM
Supply Voltage
Junction Temperature
Range
Switching Frequency
Pin Voltage
MM Package
Vapor Phase (60 sec.)
Infared (15 sec.)
IN
=
Typical
0.001
1.26
±0.5
2.85
170
400
100
325
156
343
4.5
V
7.2
2.7
16
5
IN
1.2507/1.24
1.2753/1.28
135/ 125
180/ 190
(Note 1)
Limit
2.97
130
210
360
430
230
550
250
415
3.0
7
100kHz
−40°C
2.97V
−0.4V
≤
≤
%/V (max)
F
T
≤
≤
SW
J
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nsec(max)
mV (max)
nsec(min)
mA (max)
mV (max)
mV (max)
kHz(max)
V
mV (min)
µA (max)
mV (min)
mV (min)
≤
kHz(min)
VDR
V(max)
V(max)
V(min)
IN
≤
Units
nsec
+125°C
%/V
kHz
mV
mA
mV
mV
µA
%
600mV
≤
Ω
Ω
V
V
V
1MHz
215°C
260°C
≤
40V
8V