LM3488MM National Semiconductor, LM3488MM Datasheet - Page 3

• Manufacturer Part Number: LM3488MM
• Description: IC, N-CH CONTROLLER, MSOP-8
• Manufacturer: National Semiconductor

Specifications of LM3488MM

• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Current: 1A
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Termination Type: SMD
• Input Voltage Primary Min: 2.95V
• Output Voltage Min: 1.26V
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
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
Maximum Duty
Minimum On Time
Supply Current (switching)
Quiescent Current in
Shutdown Mode
Current Sense Threshold
Voltage
Short-Circuit Current Limit
Sense Voltage
Parameter
(Note
6)
Cycle(Note
2)
IN
= 12V, R
7)
-0.4V < V
Internally Limited
−65°C to +150°C
-0.4V < V
V
2.97
2.97
I
I
I
V
V
(Note
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
< 7.2V
≥
= 5V
= 5V
= 40KΩ
Source/Sink
FA
≤
≤
7.2V
9)
FA/SYNC/SD
= 1.4V,
V
V
= 40kΩ
IN
IN
+150°C
FB
1)
≤
≤
Conditions
< 7V
< 7V
1.0A
=
45V
2kV
IN
40V
40V
5V(Note
= 5V
3
10), V
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
Limit
2.97
130
210
360
430
230
550
250
415
3.0
7
100kHz
−40°C
1)
2.97V
−0.4V
≤
≤
%/V (max)
F
T
≤
≤
SW
J
www.national.com
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