CHIPNOBO
Semiconductor Replacement Engineering & Supply Continuity
DC DC Switching Controllers
PRODUCT DATASHEET
ChipNobo MPN
NB105503ECTTR
GLOBAL BRAND CROSS-REFERENCE
Microchip Technology
IC REG CTRLR BUCK SOT23A-5
TC105503ECTTR
- High-reliability design
- Long-term stable supply
- RoHS compliant
1. PRODUCT POSITIONING
NB105503ECTTR is a product identity corresponding to the reference product TC105503ECTTR. 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 | Microchip Technology TC105503ECTTR | ChipNobo NB105503ECTTR | Match |
| Part Status | Active | Active | ✓ |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| Number of Outputs | 1 | 1 | ✓ |
| Output Configuration | Positive | Positive | ✓ |
| Control Features | Enable | Enable | ✓ |
| Synchronous Rectifier | No | No | ✓ |
| Output Type | Transistor Driver | Transistor Driver | ✓ |
| Output Phases | 1 | 1 | ✓ |
| Frequency - Switching | 300kHz | 300kHz | ✓ |
| Clock Sync | No | No | ✓ |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | ✓ |
| Supplier Device Package | SOT-23-5 | SOT-23-5 | ✓ |
| Function | Step-Down | Step-Down | ✓ |
| Topology | Buck | Buck | ✓ |
| Duty Cycle (Max) | 100% | 100% | ✓ |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 10V | 2.2V ~ 10V | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | ✓ |