LMZ31704 Series

2.95V to 17V, 4A Step-Down Power Module with Current Sharing in 10x10x4.3mm QFN Package

Catalog

2.95V to 17V, 4A Step-Down Power Module with Current Sharing in 10x10x4.3mm QFN Package

Part	Voltage - Output 1 [Max]	Voltage - Output 1 [Min]	Current - Output (Max) [Max]	Supplier Device Package	Voltage - Input (Min) [Min]	Package / Case	Efficiency	Operating Temperature [Max]	Operating Temperature [Min]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [z]	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [x]	Features	Number of Outputs	Applications	Control Features	Voltage - Input (Max) [Max]	Mounting Type	Type
Texas Instruments LMZ31704RVQT	5.5 V	0.6 V	4 A	42-B3QFN (10x10)	2.95 V	42-BQFN Module	95 %	85 °C	-40 °C	10.2 mm	0.4 in	4.4 mm	10.2 mm	0.17 in	0.4 in	OCP OTP UVLO	1	ITE (Commercial)	Active High Enable	17 V	Surface Mount	Non-Isolated PoL Module

Catalog

2.95V to 17V, 4A Step-Down Power Module with Current Sharing in 10x10x4.3mm QFN Package

Key Features

• Complete integrated power solution allowssmall footprint, low-profile design10-mm × 10-mm × 4.3-mm packagePin compatible with LMZ31710 and LMZ31707Efficiencies up to 95%Eco-mode™ / light load efficiency (LLE)Wide-output voltage adjust0.6 V to 5.5 V, with 1% reference accuracySupports parallel operation for higher currentOptional split power rail allowsinput voltages down to 2.95 VAdjustable switching frequency(200 kHz to 1.2 MHz)Synchronizes to an external clockProvides 180° out-of-phase clock signalAdjustable slow startOutput voltage sequencing / trackingPower good outputProgrammable undervoltage lockout (UVLO)Overcurrent and overtemperature protectionPre-bias output start-upOperating temperature range: –40°C to 85°CEnhanced thermal performance: 13.3°C/WMeets EN55022 Class B emissionsIntegrated shielded inductorCreate a custom design using the LMZ31704 with theWEBENCH®Power DesignerComplete integrated power solution allowssmall footprint, low-profile design10-mm × 10-mm × 4.3-mm packagePin compatible with LMZ31710 and LMZ31707Efficiencies up to 95%Eco-mode™ / light load efficiency (LLE)Wide-output voltage adjust0.6 V to 5.5 V, with 1% reference accuracySupports parallel operation for higher currentOptional split power rail allowsinput voltages down to 2.95 VAdjustable switching frequency(200 kHz to 1.2 MHz)Synchronizes to an external clockProvides 180° out-of-phase clock signalAdjustable slow startOutput voltage sequencing / trackingPower good outputProgrammable undervoltage lockout (UVLO)Overcurrent and overtemperature protectionPre-bias output start-upOperating temperature range: –40°C to 85°CEnhanced thermal performance: 13.3°C/WMeets EN55022 Class B emissionsIntegrated shielded inductorCreate a custom design using the LMZ31704 with theWEBENCH®Power Designer

Description

The LMZ31704 power module is an easy-to-use integrated power solution that combines a 4-A DC/DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution allows as few as three external components and eliminates the loop compensation and magnetics part selection process. The 10 × 10 × 4.3 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design. Achieves greater than 95% efficiency and excellent power dissipation capability with a thermal impedance of 13.3°C/W. The LMZ31704 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering a wide range of ICs and systems. Advanced packaging technology affords a robust and reliable power solution compatible with standard QFN mounting and testing techniques. The LMZ31704 power module is an easy-to-use integrated power solution that combines a 4-A DC/DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution allows as few as three external components and eliminates the loop compensation and magnetics part selection process. The 10 × 10 × 4.3 mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design. Achieves greater than 95% efficiency and excellent power dissipation capability with a thermal impedance of 13.3°C/W. The LMZ31704 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering a wide range of ICs and systems. Advanced packaging technology affords a robust and reliable power solution compatible with standard QFN mounting and testing techniques.