LMR33630CDDAR vs LMR33640ADDAR Comparison
Detailed side-by-side comparison of LMR33630CDDAR by Texas Instruments 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 | LMR33630CDDAR | LMR33640ADDAR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.95 | $2.18 |
| Topology | Synchronous Step-Down (Buck) | Synchronous Buck (Step-Down) |
| Input Voltage Range | 3.8 V to 36 V | 3.8 V to 36 V |
| Output Voltage Range | 1 V to 24 V | 1 V to 24 V (adjustable) |
| Maximum Output Current | 3 A | — |
| Switching Frequency | 2.1 MHz (DDA grade) | 400 kHz (typical) |
| Switching Frequency Range | 400 kHz to 2.1 MHz | — |
| Quiescent Current (typ) | 24 uA | — |
| Control Mode | Peak Current Mode with internal compensation | Peak current mode |
| Minimum On-Time | [DATA_NEEDED: minimum on-time] | — |
| Efficiency | Up to >90% (load and VIN-dependent) | — |
| Package | 8-pin HSOIC EP (DDA) PowerPAD | PowerSOIC-8 (DDA) 3.90 mm body |
| Mounting Type | Surface Mount | — |
| Operating Temperature Range | -40 C to +125 C (TJ) | — |
| MSL Level | Level-2, 260 C, 1 year | Level-2 (per JEDEC J-STD-020) |
| Power-Good Flag | Yes | Yes (open-drain PG) |
| EMI | Ultra-low EMI design | — |
| RoHS Status | Compliant | Compliant |
| 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) |
| 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) |