L296 DC-DC Step-down Converter 4A 9V~46V Adjustable Output 5.1V~40V Multiwatt-15
Monolithic Multiwatt-15 step-down switching regulator for compact high-efficiency DC–DC supplies; integrated control (soft-start, reset, current-limit, crowbar)
30.00 EGP
Buy NowL296 DC-DC Step-down Converter 4A 9V~46V Adjustable Output 5.1V~40V Multiwatt-15
The L296 and L296P are step-down power switching regulators delivering 4 A at a voltage variable from 5.1 V to 40 V.
Features of the devices include soft start, remote inhibit, thermal protection, a reset output for microprocessors and a PWM comparator input for synchronization in multichip configurations.
The L296 and L296P are mounted in a 15-lead Multiwatt plastic power package and requires very few external components.
Efficient operation at switching frequencies up to 200 KHz allows a reduction in the size and cost of external filter components. A voltage sense input and SCR drive output are provided for optional crowbar overvoltage protection with an external SCR.
EXTERNAL PROGRAMMABLE LIMITING CURRENT (L296P)
Features:
- RESET OUTPUT
- INPUT FOR REMOTE INHIBIT AND SYNCHRONOUS PWM
- CONTROL CIRCUIT FOR CROWBAR SCR
- THERMAL SHUTDOWN
- VERY FEW EXTERNAL COMPONENTS
- VERY HIGH EFFICIENCY (UP TO 90 %)
- 4 A OUTPUT CURRENT
- 0 TO 100 % DUTY CYCLE RANGE
- 5.1 V TO 40 V OUTPUT VOLTAGE RANGE
- SWITCHING FREQUENCY UP TO 200 KHz
- SOFT START
- PRECISE (±2 %) ON-CHIP REFERENCE
Circuit Diagram:
Specifications:
| Product Attribute | Attribute Value |
| Product Category: | Switching Voltage Regulators |
| Output Voltage: | 5.1 V to 40 V |
| Output Current: | 4 A |
| Input Voltage, Max: | 46 V |
| Number of Outputs: | 1 Output |
| Topology: | Buck |
| Package/Case: | MULTIWATT-15 |
| Mounting Style: | Through Hole |
| Switching Frequency: | 200 kHz |
| Quiescent Current: | 66 mA |
| Minimum Operating Temperature: | – 40 C |
| Maximum Operating Temperature: | + 150 C |
| Input Voltage, Min: | 9 V |
Applications:
- Minimal 5.1 V fixed regulator.
- 12 V / 10 A power supply (example).
- Programmable power supply (5.1–15 V).
- Preregular for distributed supplies.
- Synchronized multi-supply systems.
- 5.1 V / 2 A supply with external limiting & crowbar (L296P example).
Package Contents:
- 1x L296 DC-DC Step-down Converter 4A 9V~46V Adjustable Output 5.1V~40V Multiwatt-15
L296 Datasheet
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