LMX4644TN1
Part Number:
LMX4644TN1
Product Classification:
Alternative of Linear Technology
Manufacturer:
-
Description:
LMX4644TN1 pin-to-pin drop-in replacement for LTM4644. 4x4A output, 4-20V input, BGA-77 package. 30-50% cost savings, 4-6 week lead time.
Packaging:
-
ROHS Status:
Yes
Currency:
USD
LMX4644TN1 — Drop-in Replacement for LTM4644
Pin-to-Pin Compatible · No Redesign Required
Parameter Comparison: LTM4644 vs LMX4644
| Parameter | LTM4644 (ADI) | LMX4644 (GenChipower) | Status |
|---|---|---|---|
| Input Voltage | 4-20V | 4-20V | Match |
| Output Current | 4x4A (16A parallel) | 4x4A (16A parallel) | Match |
| Output Channels | 4 independent | 4 independent | Match |
| Output Voltage Range | 0.6V - 5.5V | 0.6V - 5.5V | Match |
| Pin-to-Pin Compatible | - | Yes, BGA-77 | Direct Drop-In |
| Efficiency | Up to 95% | Up to 95% | Equal |
| Lead Time | 26-30 weeks | 4-6 weeks | 5x Faster |
| Temp Range | -40C to +125C | -55C to +125C | Extended |
Key Features
- 4 independent output channels, each up to 4A (peak 5A)
- Wide input voltage: 4V to 20V
- Adjustable output: 0.6V to 5.5V
- Operating frequency: 1MHz
- Current-mode control with fast transient response
- Parallel current sharing up to 16A single output
- Full temperature range: -55C to +125C
- Overcurrent and overheat protection
Target Applications
- Industrial control boards
- Communication equipment
- Medical devices
- Test and measurement instruments
- FPGA/SoC power supplies
- Data center auxiliary power
- EV charging systems
Product Variants
| Part Number | Grade | Package |
|---|---|---|
| LMX4644TN1 | N1 (Industrial) | BGA-77 |
| LMX4644TSH | Standard | BGA-77 |
| LMX4644BJCBL3 | Rad-Hard | Ceramic BGA |