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Power Management Products for Powering Digital ICs


Multi-Output Products

Base Part Number Topology Synch / Nonsynch Vin Min
(V)
Vin Max
(V)
Vout Min
(V)
Vout Max
(V)
Total Iout Max
(mA)
# Outputs Package Key Benefit
      LM2642 Controller S 4.5 30 1.3 13.5 40000 2 TSSOP-28 Dual output  180° out of phase
      LM2647 Controller S 5.5 28 0.6 5   1 or 2 LLP-28, TSSOP-28 Voltage mode
        LM2657 Controller S 4.5 28 0.6 8.4 40000 2 TSSOP-28 Dual
      LM3000 Controller S 3.3 18.5 0.6     1 or 2 LLP-32 Emulated current mode
      LM5642
LM5642X
Controller S 4.5 36 1.3 32.5 40000 2 TSSOP-28 Dual output with excellent transient performance
      LM26400Y Regulator N 3 20 0.6 16 4000 2 eTSSOP-16, LLP-16
No external compensation
      LM26420 Regulator S 3 5.5 0.8 4.5 2000 2 eTSSOP-20, LLP-16
No external compensation
    LM26480 Regulator S 2.8 5.5 0.8+ Up to 3.3 1500 4 LLP-24 2 adj bucks, 2 LDOs (300 mA)
    LM26484 Regulator S 3 5.5 0.8 3.5 2000 4 LLP-24 2 adj bucks, 2 LDOs (1000 mA)
      LM3370 Regulator S 2.7 5.5 1, 1.8 2, 3.3 1200 2 LLP-16 Serial bus controlled, 2 buck, Spread spectrum low noise
  LP3906 Regulator S 2.7 5.5 1 3.3 3600 4 LLP-24 Serial bus controlled, 2 buck, 2 LDOs
      LP3971 Regulator S 2.7 5.5 0.8, 1 3.3 4350 8 LLP-40 Smart Phone/PDA;  serial bus controlled, 3 buck, 5 LDOs
        LP5550 Regulator S 3 5.5 0.7-1.5 1.2-3.3 700 4 LLP-16 Serial bus controlled, 1 buck, 3 LDOs; PowerWise

 

Single-Output Products

Base Part Number Topology Synch / Nonsynch Vin Min
(V)
Vin Max
(V)
Vout Min
(V)
Vout Max
(V)
Total Iout Max
(mA)
# Outputs Package Key Benefit
      LM1770 Controller S 2.8 5.5 0.8 4.5 4000 1 SOT23-5 Small solution size, Only 5 pins
      LM1771 Controller S 2.8 5.5 0.8 4.5 4000 1 MSOP-8, LLP-6 Small solution size, Only 6 pins
        LM2745 Controller S 1 14 0.6 13.5 25000 1 TSSOP-14  
      LM2747 Controller S 1 17 0.6 13.5 25000 1 TSSOP-14  
  LM3150 Controller S 6 42 0.6 Vin 12000 1 TSSOP-14 Syncronous, Emulated Ripple Mode
  LM3151 Controller S 6 42 3.3 3.3 12000 1 TSSOP-14 Syncronous, Emulated Ripple Mode
  LM3152 Controller S 6 33 3.3 3.3 12000 1 TSSOP-14 Syncronous, Emulated Ripple Mode
  LM3153 Controller S 8 18 3.3 3.3 12000 1 TSSOP-14 Syncronous, Emulated Ripple Mode
        LM3489 Controller N 4.5 35 1.27 Vin 4000 1 MSOP-8  Small solution size, hysteretic
      LM3495 Controller S 2.9 18 0.6 5.5 10000 1 TSSOP-16 Emulated Current Mode & 1.% Vout accuracy
      LM3743 Controller S 3 5.5 0.8 5 10000 1 MSOP-10 1.75% accuracy
    LM20123  Regulator S 2.95 5.5 0.8 5 3000 1 eTSSOP-16 High Efficiency over wide current range
    LM20124 Regulator S 2.95 5.5 0.8 5 4000 1 eTSSOP-16 High Efficiency over wide current range
    LM20125 Regulator S 2.95 5.5 0.8 5 5000 1 eTSSOP-16 High Efficiency over wide current range
    LM20133 Regulator S 2.95 5.5 0.8 5 3000 1 eTSSOP-16 High Efficiency over wide current range
    LM20134 Regulator S 2.95 5.5 0.8 5 4000 1 eTSSOP-16 High Efficiency over wide current range
    LM20136 Regulator S 2.95 5.5 0.8 5 6000 1 eTSSOP-16 High Efficiency over wide current range
    LM20143 Regulator S 2.95 5.5 0.8 5 3000 1 eTSSOP-16 High Efficiency over wide current range
    LM20144 Regulator S 2.95 5.5 0.8 5 4000 1 eTSSOP-16 High Efficiency over wide current range
    LM20145 Regulator S 2.95 5.5 0.8 5 5000 1 eTSSOP-16 High Efficiency over wide current range
    LM20146 Regulator S 2.95 5.5 0.8 5 6000 1 eTSSOP-16 High Efficiency over wide current range
    LM20154 Regulator S 2.95 5.5 0.8 5 4000 1 eTSSOP-16 High Efficiency over wide current range
    LM20242 Regulator S 4.5 36 0.8 32 2000 1 eTSSOP-20 High Efficiency over wide current range
    LM20323 Regulator S 4.5 36 0.8 32 3000 1 eTSSOP-20 High Efficiency over wide current range
    LM20333 Regulator S 4.5 36 0.8 32 3000 1 eTSSOP-20 High Efficiency over wide current range
    LM20343 Regulator S 4.5 36 0.8 32 3000 1 eTSSOP-20 High Efficiency over wide current range
      LM25005 Regulator N 7 42 1.23 42 2500 1 eTSSOP-20 Emulated Current Mode
      LM25007 Regulator N 9 40 2.5 40 500 1 MSOP-8, LLP-8 No external compensation, Constant On Time
      LM25010 Regulator N 6 42 2.5 42 1000 1 eTSSOP-14, LLP-10 No external compensation, Constant On Time
        LM2594 Regulator N 4.5 40 1.23 37 500 1 SOIC-8, DIP-8 SIMPLE SWITCHER
        LM2595 Regulator N 4.5 40 1.23 37 1000 1 TO220-5, TO263-5 SIMPLE SWITCHER
        LM2596 Regulator N 4.5 40 1.23 37 3000 1 TO220-5, TO263-5 SIMPLE SWITCHER
          LM26001 Regulator N 3 42 1.25 35 1500 1 eTSSOP-16 Wide Vin and Low Iq for Automotive
        LM2674 Regulator N 6.5 40 1.23 37 500 1 SOIC-8, DIP-8, LLP-16 SIMPLE SWITCHER
      LM2675 Regulator N 6.5 40 1.23 37 1000 1 LLP-16, SOIC-8, DIP-8 SIMPLE SWITCHER
        LM2676 Regulator N 8 40 1.23 37 3000 1 LLP-14, TO263-7, TO220-7 SIMPLE SWITCHER
          LM2694 Regulator N 8 30 2.5 24 600 1 TSSOP-14, LLP-10 No external compensation, Constant On Time
          LM2695 Regulator N 8 30 2.5 24 1250 1 eTSSOP-14, LLP-10 No external compensation, Constant On Time
      LM2696 Regulator N 4.5 24 1.29 20 3000 1 eTSSOP-16 No external compensation, Constant On Time
      LM2734 Regulator N 3 20 0.8 18 1000 1 TSOT-6, LLP-6 High Power Density SOT23 package
    LM27341 Regulator N 3 20 1 18 1500 1 LLP-10, MSOP-10 High power density solution
    LM27342 Regulator N 3 20 1 18 2000 1 LLP-10, MSOP-10 High power density solution
      LM2736 Regulator N 3 18 1.25 16 750 1 TSOT-6 High Power Density SOT23 package
    LM2770 Regulator S 2.7 5.5 1.2 1.575 250 1 LLP-10 Thin Profile
      LM2771 Regulator S 2.7 5.5 1.5 1.5 250 1 LLP-10 Thin Profile
          LM2830 Regulator N 3 5 0.6 4.5 1000 1 SOT23-5, LLP-6  
        LM2831 Regulator N 3 5.5 0.6 4.5 1500 1 SOT23-5, LLP-6  
        LM2832 Regulator N 3 5.5 0.6 4.5 2000 1 eMSOP-8, LLP-6  
      LM2833 Regulator N 3 5.5 0.6 4.5 3000 1 LLP-10, MSOP-10  
    LM2852 Regulator S 2.85 5.5 0.8 3.3 2000 1 eTSSOP-14 High Efficiency synchronous SIMPLE SWITCHER
    LM3100 Regulator S 4.5 36 0.8 7 1500 1 eTSSOP-20 High Efficiency synchronous SIMPLE SWITCHER
      LM34910 Regulator N 8 36 2.5 30 1200 1 LLP-10 High power density solution
      LM34917A Regulator N 8 40 2.5 30 1250 1 micro SMD-10 Tiny footprint, no external loop compensation
      LM34919 Regulator N 8 40 2.5 30 600 1 micro SMD 10 Tiny footprint, no external compensation
      LM34930 Regulator N 8 33 2.5 30 1000 1 micro SMD 12 Tiny footprint, no external compensation
  LM3670 Regulator S 2.7 5.5 0.7 3.3 350 1 SOT23-5 High Efficiency over wide current range
  LM3671 Regulator S 2.7 5.5 1.1 3.3 600 1 SOT23-5, micro SMD-5 High Efficiency over wide current range
  LM3673 Regulator S 2.7 5.5 1.1 3.3 350 1 micro SMD-5 High Efficiency over wide current range
  LM3674 Regulator S 2.7 5.5 1.1 3.3 600 1 SOT23-5 Low switching noise
  LM3676 Regulator S 2.9 5.5 1.1 3.3 600 1 LLP-8 High Efficiency over wide current range
  LM3677 Regulator S 2.7 5.5 1.1 3.3 600 1 micro-SMD 5 High Efficiency., Small Footprint
  LM3678 Regulator S 2.5 5.5 0.8 1.2 1500 1 LLP-10 High Efficiency over wide current range
  LM3691 Regulator S 2.3 5.5 0.75 1.8 1000 1 micro-SMD-6 High Efficiency over wide current range
        LP38856
LP38859
LDOs   1.15 5.5 0.8 1.2 3000 1 TO263-5, TO220-5 Excellent Transient Performance
        LP5951 LDOs   1.8 5.5 1.3 1.8 150 1 SC70-5, SOT23-5 Excellent Transient Performance

 

Power Sequencers

Base Part Number Vin Min
(V)
Vin Max
(V)
Number of Regulators Able to Sequence
(V)
Power Down
(V)
Power Up
(mA)
Ability to Cascade On/Off Pin Key Benefit
        LM3880 2.7V 5.5V 3 Y Y Y Y Easiest method to control power up and power down of multiple power supplies
        LM3881 2.7V 5.5V 3 Y Y Y Y Timing controlled by small value external capacitor