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