LM3488MM National Semiconductor, LM3488MM Datasheet - Page 2

• 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

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Connection Diagram
Package Marking and Ordering Information
*Automotive Grade (Q) product incorporates enhanced manufacturing and support processes for the automotive market, including defect detection methodologies.
Reliability qualification is compliant with the requirements and temperature grades defined in the AEC-Q100 standard. Automotive grade products are identified
with the letter Q. For more information go to http://www.national.com/automotive.
Pin Descriptions
Order Number
LM3488QMMX
LM3488QMM
LM3488MMX
LM3488MM
FA/SYNC/SD
Pin Name
COMP
AGND
PGND
I
DR
V
SEN
FB
IN
Package Type
MSOP-8
Pin Number
1
2
3
4
5
6
7
8
8 Lead Mini SO8 Package (MSOP-8 Package)
Package Marking
Current sense input pin. Voltage generated across an external sense
resistor is fed into this pin.
Compensation pin. A resistor, capacitor combination connected to this
pin provides compensation for the control loop.
Feedback pin. The output voltage should be adjusted using a resistor
divider to provide 1.26V at this pin.
Analog ground pin.
Power ground pin.
Drive pin of the IC. The gate of the external MOSFET should be
connected to this pin.
Frequency adjust, synchronization, and Shutdown pin. A resistor
connected to this pin sets the oscillator frequency. An external clock
signal at this pin will synchronize the controller to the frequency of the
clock. A high level on this pin for
device will then draw less than 10µA from the supply.
Power supply input pin.
SSKB
S21B
2
1000 units on Tape and Reel
3500 units on Tape and Reel
1000 units on Tape and Reel
3500 units on Tape and Reel
Supplied As
Description
10138802
≥
30µs will turn the device off. The
AEC-Q100 (Grade 1) qualified.
Automotive Grade Production
Feature
Flow*