LMR33640ADDAR vs MAX17634CATP+ Comparison
Detailed side-by-side comparison of LMR33640ADDAR by Texas Instruments and MAX17634CATP+ by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
LMR33640ADDAR - 4A 36V Synchronous Buck Converter | Texas Instruments
LMR33640ADDAR ✓ Active
Specification Comparison
| Parameter | LMR33640ADDAR | MAX17634CATP+ |
|---|---|---|
| Brand | Texas Instruments | Analog Devices |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.18 | $4.09 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) DC-DC Converter |
| Input Voltage Range | 3.8 V to 36 V | 4.5 V to 36 V |
| Output Voltage Range | 1 V to 24 V (adjustable) | — |
| Continuous Output Current | 4 A | — |
| Switching Frequency | 400 kHz (typical) | 2.2 MHz (typical) |
| Quiescent Current (no load) | 76 uA (typical) | — |
| Light-Load Iq | 25 uA (typical) | — |
| Feedback Reference Accuracy | 1% (over temperature) | — |
| Control Mode | Peak current mode | Peak Current Mode |
| Enable Input | Precision EN (active high, with PG) | — |
| Power-Good Flag | Yes (open-drain PG) | — |
| Internal MOSFETs | Yes (synchronous N-channel high-side and low-side) | — |
| Internal Compensation | Yes | — |
| Operating Junction Temperature | -40°C to +125°C | — |
| Package | PowerSOIC-8 (DDA) 3.90 mm body | 20-pin TQFN EP (4x4 mm) |
| MSL Level | Level-2 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL Level] |
| Functional Safety | Functional Safety-Capable (documentation available) | — |
| RoHS Status | Compliant | Compliant |
| Output Voltage Range (C variant) | — | 0.9 V to 32.4 V (adjustable) |
| Maximum Output Current | — | 4.25 A |
| Number of Outputs | — | 1 |
| Operating Modes | — | Forced PWM, PFM, DCM |
| Operating Temperature Range | — | -40 C to +125 C |
| Mounting Type | — | Surface Mount |
| Lead-Free | — | Yes |
| Integrated MOSFETs | — | Yes (high-side and low-side) |
| Soft-Start | — | Programmable |
| Thermal Shutdown | — | Yes |