CHIPNOBO
Semiconductor Replacement Engineering & Supply Continuity
Voltage Regulators - DC DC Switching Regulators
PRODUCT DATASHEET
ChipNobo MPN
NB4963D
GLOBAL BRAND CROSS-REFERENCE
STMicroelectronics
IC REG BUCK ADJ 1.5A 20SO
L4963D
- High-reliability design
- Long-term stable supply
- RoHS compliant
IC REG BUCK ADJ 1.5A 20SO
1. PRODUCT POSITIONING
NB4963D is a product identity corresponding to the reference product L4963D. This document presents the available product specifications, mechanical/package information and compatibility summary for engineering and procurement reference.
This document is a product information. Compatibility conclusions should be read together with the applicable Cross-Reference Identification (CID) rule, package/pin verification and engineering review record.
| 2. TECHNICAL SPECIFICATION COMPARISON (core parameters) | |||
|---|---|---|---|
| Parameter | STMicroelectronics L4963D | ChipNobo NB4963D | Match |
| Part Status | Active | Active | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| Number of Outputs | 1 | 1 | ✓ |
| Output Configuration | Positive | Positive | ✓ |
| Output Type | Adjustable | Adjustable | ✓ |
| Current - Output | 1.5A | 1.5A | ✓ |
| Synchronous Rectifier | No | No | ✓ |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | ✓ |
| Function | Step-Down | Step-Down | ✓ |
| Topology | Buck | Buck | ✓ |
| Supplier Device Package | 20-SO | 20-SO | ✓ |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | ✓ |
| Voltage - Input (Min) | 9V | 9V | ✓ |
| Voltage - Output (Max) | 36V | 36V | ✓ |
| Voltage - Input (Max) | 46V | 46V | ✓ |
| Voltage - Output (Min/Fixed) | 5.1V | 5.1V | ✓ |
| Frequency - Switching | 42kHz ~ 83kHz | 42kHz ~ 83kHz | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) | ✓ |