Product Summary

The LM2623MM is a high efficiency, general purpose, step-up DC-DC switching regulator for battery-powered and low input voltage systems. It accepts an input voltage between 0.8 and 14 volts and converts it into a regulated output voltage between 1.24 and 14 volts. Efficiencies up to 90% are achievable with the LM2623. The applications of the LM2623MM include Cameras, Pagers and Cell Phones, PDAs,Palmtop Computers, GPS devices, White LED Drive, TFT or Scanned LCDs, Flash Memory Programming, Hand-Held Instruments, 1, 2, 3 or 4 Cell Alkaline Systems and 1, 2 or 3 Cell Lithium-ion Systems.

Parametrics

LM2623MM absolute maximum ratings: (1)SW Pin Voltage: -0.5 V to 14.5V; (2)BOOT, VDD, EN and FB Pins: -0.5V to 10V; FREQ Pin: 100μA; (3)TJmax: 150℃; (4)Storage Temperature Range: -65 to +150℃; (5)Lead Temp. (Soldering, 5 sec): 260℃; (6)Power Dissipation (TA=25℃): 500mW; (7)ESD Rating: 2kV.

Features

LM2623MM features: (1)Good Efficiency Over a Very Wide Load Range; (2)Very Low Output Voltage Ripple; (3)Small, Mini-SO-8 Package (Half the Footprint of Standard 8 pin SO Package); (4)1.09 mm Package Height; (5)Up to 2 MHz Switching Frequency; (6)8V to 14V Operating Voltage; (7)1.1V Start-up Voltage; (8)1.24V - 14V Adjustable Output Voltage; (9)Up to 2A Load Current at low Output Voltages; (10)0.17Ω Internal MOSFET; (11)Up to 90% Regulator Efficiency; (12)80μA Typical Operating Current (into VDD pin of supply); (13)<2.5μA Guaranteed Supply Current In Shutdown; (14)4mm × 4mm Thermally Enhanced LLP Package Option.

Diagrams

LM2623MM block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LM2623MM
LM2623MM

National Semiconductor (TI)

DC/DC Switching Controllers

Data Sheet

0-1000: $0.54
1000-2000: $0.53
LM2623MM/NOPB
LM2623MM/NOPB

National Semiconductor (TI)

DC/DC Switching Controllers GEN PURP,GATED OSC DC/DC BOOST CONVRTR

Data Sheet

0-1: $1.08
1-10: $0.97
10-25: $0.86
25-100: $0.58
LM2623MMX/NOPB
LM2623MMX/NOPB

National Semiconductor (TI)

DC/DC Switching Controllers

Data Sheet

0-2800: $0.54
2800-3000: $0.53
3000-3500: $0.53
LM2623MMX
LM2623MMX

National Semiconductor (TI)

DC/DC Switching Controllers

Data Sheet

0-3500: $0.53