Step Down Regulators and Controllers Selection Guide Input Voltage 2.5V to 5.5V 4.5V to 18V 4.5V to 22V 4.5V to 24V Output Current ≤1A NX4108(2.8V) NX4110(2.8V) LX7104 NX7101(4.75V) ≤2A LX7172 LX1918(2.7V) LX7167(3.0V) LX7104 NX7101(4.75V) LX3005(4.75V) LX3005(4.75V) LX3005(4.75V) ≤3A LX7169(3.0V) NX7102(4.75V) NX9415(8V) NX9415(8V) NX9415(8V) NX9415(8V) NX9415(8V) NX9415(8V) NX9548(20V) NX9548(20V) LX9610(8V) NX2423 NX2138 NX2147 NX2155H(8V) NX2124/A LX1752 NX2837(9V) LX1675 NX2139A LX9610(8V) NX2423 NX2138 NX2147 NX2155H(8V) NX2124/A LX1752 NX2837(9V) LX1675 NX2139A ≤5A ˃5A ≥10A ≥20A NOTE: Regulators, Controllers, Power Module, output voltage from 0.9V to 3.3V for all above listed devices Copyright 2012 Rev. 1.1 6/2012 Analog Mixed Signal Group One Enterprise, Aliso Viejo, CA. 92656, 949-380-6100, Fax: 949-215-4996 NX2124/A LX1675 NX2139A NX2838(32V) Step Down Regulators with VIN up to 5.5V Selection Guide Output Input Current Voltage Range Range (A) (V) Output Voltage Range (V) No Load Current (mA) Switching Frequency Range (kHz) Max Duty Cycle (%) Control Method PSM PGOOD EXT Sync OCP Type OCP Soft Clear Start Single Supply Order Part Number Package Operating Temperature (oC) NX4108 1 2.8-5.5 0.6-3.3 4 1000 78 Current NO NO NO Fixed Hiccup Fixed YES NX4108CZ1TR SOT23-5 -40 to 85 NX4108-12 1 2.8-5.5 1.2 15 1000 78 Current NO NO NO Fixed Hiccup Fixed YES NX4108-12CZ1TR SOT23-5 -40 to 85 NX4108-15 1 2.8-5.5 1.5 8.5 1000 85 Current NO NO NO Fixed Hiccup Fixed YES NX4108-15CZ1TR SOT23-5 -40 to 85 NX4108-18 1 2.8-5.5 1.8 8.5 1000 85 Current NO NO NO Fixed Hiccup Fixed YES NX4108-18CZ1TR SOT23-5 -40 to 85 NX4108-33 1 4.5-5.5 3.3 20 1000 78 Current NO NO NO Fixed Hiccup Fixed YES NX4108-33CZ1TR SOT23-5 -40 to 85 NX4110 1 2.8-5.5 0.6-3.3 4 1000 78 Current NO YES NO Fixed Hiccup Fixed YES NX4110CZ1TR SOT23-5 -40 to 85 LX7172 1.2 2.5-5.5 0.6-3.3 0.062 1400 100 Current YES NO NO Fixed Hiccup Fixed YES LX7172ISE SOT23-5 -40 to 85 LX1918 1.8 2.7-5.5 0.6-3.3 0.35 1000 100 500-1250 EX Current YES NO YES Fixed Hiccup Fixed YES LX1918CLD MLP-8 (3x3) -40 to 85 LX7167 2 3.0-5.5 0.6-3.3 0.35 3000 100 Hysteretic YES YES NO Fixed Hiccup Fixed YES LX7167CLD MLPD-8 (2x2) -10 to 85 LX7169 3 3.0-5.5 0.8-3.3 12 3000 100 Hysteretic YES YES Fixed Hiccup Fixed YES LX7169CLD DFN-12 (3x3.5) -10 to 85 NO NOTE: Contact Microsemi www.microsemi.com for the most current information Copyright 2012 Rev. 1.1 6/2012 Analog Mixed Signal Group One Enterprise, Aliso Viejo, CA. 92656, 949-380-6100, Fax: 949-215-4996 Step Down Regulators with VIN up to 25V Selection Guide Output Input Current Voltage Range Range (A) (V) Output Voltage Range (V) Switching No Load Frequency Current Range (mA) (kHz) Max Duty Cycle (%) Control Method PSM PGOOD EXT Sync OCP Type OCP Clear Soft Start Single Supply Order Part Number Package Operating Temperature (oC) LX7104 1.5 4.5-18 0.81-15 0.8 1400 90 Current NO NO NO Fixed Hiccup Fixed YES LX7104ISF SOT23-6 -40 to 85 NX7101 2 4.75-18 0.9250.83VIN 1 340 83 Current NO NO NO Fixed Hiccup YES NX7101IDM SOIC-8 -40 to 85 LX3005 2 4.75-25 0.8-21 1.3 420 100 Current NO NO NO Fixed Hiccup Fixed YES LX3005CDM SOIC-8 0 to 85 NX7102 3 4.75-18 0.9250.83VIN 1 340 83 Current NO NO NO Fixed Hiccup ADJ YES NX7102IDE SOIC-8 EP -40 to 85 NX9415 5 8-22 0.8-5 4.8 Up to 1000 62 Voltage NO NO NO Hiccup Digital Internal YES NX9415CMTR MCM-24 (4x4) 0 to 70 NX9548 7 4.5-20 0.75-5 1.8 ADJ 80 COT YES YES NO Fixed Latch Digital Internal NO NX9548CMTR MCM-32 (5x5) 0 to 70 LX9610* 10 8-20 0.8-5 75 600-1000 89.5 Voltage NO NO NO Digital Internal YES LX9610ILQ QFN EP (15x15) -40 to 85 NOTE: Contact Microsemi www.microsemi.com for the most current information, Copyright 2012 Rev. 1.1 6/2012 ADJ ADJ Hiccup ADJ *LX9610 is a power module Analog Mixed Signal Group One Enterprise, Aliso Viejo, CA. 92656, 949-380-6100, Fax: 949-215-4996 Step Down Controllers with Single Output Selection Guide Input Voltage Range (V) Output Voltage Range (V) No Load Current (mA) Switching Frequency Range (kHz) Max Duty Cycle (%) Control Method PSM PGOOD EXT Sync OCP Type NX2124 2-25 0.8-5 3 300 84 Voltage NO NO NO Fixed Hiccup NX2124A 2-25 0.8-5 3 300 84 Voltage NO NO NO Fixed NX2423 4.5-22 0.6-5 6.7 50-500 ADJ 97 Voltage NO YES NO NX2138 4.5-22 0.75-3.3 1.6 ADJ 84 COT YES YES NX2147 4.5-22 0.75-3.3 1.6 ADJ 84 COT YES NX2155H 8-22 0.8-5 4.8 Up to 2000 ADJ 62 Voltage NO Single Supply Order Part Number Package Operating Temperature (oC) Digital Internal NO NX2124CSTR SOIC-8 0 to 70 Hiccup Digital Internal NO NX2124ACSTR SOIC-8 0 to 70 ADJ Hiccup Digital Internal YES NX2423CMTR MLPQ-24 (4x4) 0 to 70 NO ADJ Latch Digital Internal NO NX2138CMTR MLPQ-16 (4x4) -10 to 100 NO NO ADJ Latch Digital Internal NO NX2147CMTR MLPQ-16 (3x3) -10 to 100 NO NO ADJ Hiccup Digital Internal YES NX2155HCUPTR MSOP-EP10L 0 to 70 OCP Clear Soft Start NOTE: Contact Microsemi www.microsemi.com for the most current information Copyright 2012 Rev. 1.1 6/2012 Analog Mixed Signal Group One Enterprise, Aliso Viejo, CA. 92656, 949-380-6100, Fax: 949-215-4996 Step Down Controllers with Multiple Output Selection Guide Input Voltage Output Range (V) Output Voltage Range (V) Switching No Load Frequency Current Range (mA) (kHz) Max Duty Cycle (%) LDO Control PSM PGOOD Method EXT Sync OCP Type OCP Clear Soft Start Single Supply Order Part Number Package Operating Temp (oC) NO Voltage NO NO NO ADJ Hiccup ADJ YES LX1752CLQ MLPQ-28 (5x4) 0 to 85 LX1752 2 4.5-22 0.7-0.88VIN 6 200-1500 88 LX1675 4 4.5-24 0.8-0.85VIN 0.8-0.74VIN 6 300 600 85 74 YES Voltage NO EXT FET NO NO ADJ Hiccup ADJ YES LX1675CLQ LX1675ILQ MLPQ-38 0 to 85 (7x5) -40 to 85 NX2139A 2 4.5-22 0.75-3.3 1.8 ADJ 84 YES EXT FET YES YES NO ADJ Latch Fixed NO NX2139ACMTR MLPQ-16 -10 to 100 (3x3) NX2838 2 8-32 0.8-5 3.9 200-1000 68 Fixed 3.3V / Voltage NO 700mA YES FOR LDO NO ADJ Hiccup Digital Internal YES NX2838CMTR MLPQ-16 (3x3) 0 to 70 NX2837 2 9-22 5 3.9 350 78 Fixed 3.3V / Voltage NO 700mA YES FOR LDO NO Fixed Hiccup Digital Internal YES NX2837CUPTR MSOP-EP10L 0 to 70 COT NOTE: Contact Microsemi www.microsemi.com for the most current information Copyright 2012 Rev. 1.1 6/2012 Analog Mixed Signal Group One Enterprise, Aliso Viejo, CA. 92656, 949-380-6100, Fax: 949-215-4996