NCP1034: 100 V Synchronous Buck Controller
The NCP1034 is a high voltage PWM controller designed for high performance synchronous Buck dc-dc applications. The NCP1034 drives a pair of external N-MOSFETs using a programmable switching frequency up to 500 kHz which allows flexibility to tune the operation of the IC to meet system level requirements. An external synchronization feature allows the simplification of system level filter design. The output voltage can be precisely regulated using the internal 1.25 V reference voltage for low voltage applications. Protections such as under voltage lockout and hiccup current limit are provided to give required system level security in the event of a fault.
Features- Input voltage up to 100V
- 2 A Output Drive Capability
- 1.25 V +/-1.5% feedback voltage across temperature
- External Frequency Synchronization
- Programmable switching frequency up to 500 kHz
| Benefits- Wide input voltage to be used with +48V or +60V input
- Ability to use larger size FETs for increased efficiency
- Excellent system level accuracy across temperature
- Ability to sync to external frequency or output a sync pulse
- Optimization for efficiency and size
|
Applications- 48 V Non-Isolated DC-DC Converter
- Distributed Point of Load Power Architectures
- General High Voltage DC-DC Converters
| End Products- Embedded Telecom Systems
- Networking and Computing Voltage Regulator
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Design & Development Tools (1)
Evaluation Board Documents (5)
Data Sheets (1)
Package Drawings (1)
| Document Title | Document ID/Size | Revision |
|---|
| SOIC 16 LEAD | 751B-05 (38.2kB) | K |
Evaluation/Development Tool Information
| Product | Status | Compliance | Short Description |
|---|
| NCP1034BCK5VGEVB | Active | Pb-free | High Voltage PWM Controller Evaluation Board |
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| NCP1034DR2G | Active | Pb-free
Halide free | SOIC-16 | 751B-05 | 3 | Tape and Reel | 2500 | $0.95 |
Specifications
| Product | Topology | Phases | Control Mode | VCC Min (V) | VCC Max (V) | fSW Typ (kHz) | tres Typ (ns) |
|---|
| NCP1034DR2G | Step-Down | 1 | Voltage Mode | 8 | 100
57
40
42
75 | Up to 500 | 17 |
