Manufacturer Part #
L5973D
L5973D Series 36 V 300 uA 250 kHz Switch Step Down Switching Regulator - HSOP-8
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| Mfr. Name: | STMicroelectronics | ||||||||||
| Standard Pkg: | Product Variant Information section Available PackagingPackage Qty:100 per Tube Package Style:HSOP-8 Mounting Method:Surface Mount | ||||||||||
| Date Code: | 2402 | ||||||||||
Product Specification Section
STMicroelectronics L5973D - Product Specification
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ECCN:
EAR99
PCN Information:
N/A
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Date
Part Status:
Active
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STMicroelectronics L5973D - Technical Attributes
Attributes Table
| Topology: | Buck |
| Input Voltage: | 36V |
| Output Current-Max: | 2.5A |
| Output Voltage Range: | 1.235V to 35V |
| Output Type: | Adjustable |
| Switching Frequency-Max: | 280kHz |
| Operating Temp Range: | -40°C to +150°C |
| Duty Cycle-Max: | 100% |
| Efficiency: | 90% |
| No. of Outputs: | 1 |
| Quiescent Current: | 2.5mA |
| Storage Temperature Range: | -55°C to +150°C |
| Load Regulation: | 15mV |
| Package Style: | HSOP-8 |
| Mounting Method: | Surface Mount |
Features & Applications
The L5973D is a step down monolithic power switching regulator with a minimum switch current limit of 2.5 A so it is able to deliver more than 2 A DC current to the load depending on the application conditions.
The device uses an internal P-channel D-MOS transistor (with a typical Rdson of 250 mΩ) as
switching element to minimize the size of the external components. An internal oscillator fixes the switching frequency at 250 kHz.
Features:
- 2.5 A internal switch
- Operating input voltage from 4 V to 36 V
- 3.3 V (±2%) reference voltage
- Output voltage adjustable from 1.235 V to 35 V
- Low dropout operation: 100 % duty cycle
- 250 kHz internally fixed frequency
- Voltage feedforward
- Zero load current operation
- Internal current limiting
- Inhibit for zero current consumption
- Synchronization
- Protection against feedback disconnection
- Thermal shutdown
Applications:
- Consumer: STB, DVD, TV, VCR, car radio, LCD monitors
- Networking: XDSL, modems, DC-DC modules
- Computer: printers, audio/graphic cards, optical storage, hard disk drive
- Industrial: changers, car battery, DC-DC converters
Pricing Section
Global Stock:
1,500
USA:
1,500
On Order:
0
Factory Lead Time:
20 Weeks
Quantity
Web Price
1
$1.39
30
$1.36
100
$1.32
300
$1.29
1,000+
$1.23
Product Variant Information section
Available Packaging
Package Qty:
100 per Tube
Package Style:
HSOP-8
Mounting Method:
Surface Mount