CS5171: Boost Regulator, Positive, 1.5 A, 280 kHz
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The CS5171/2/3/4 products are 280 kHz/560 kHz switching regulators with a high efficiency, 1.5 A integrated switch. These parts operate over a wide input voltage range, from 2.7 V to 30 V. The flexibility of the design of the Boost Regulator allows the chips to operate in most power supply configurations, including boost, flyback, forward, inverting and SEPIC. The ICs utilize current mode architecture, which allows excellent load and line regulation, as well as a practical means for limiting current. Combining high frequency operation with a highly integrated regulator circuit results in an extremely compact power supply solution. The circuit design includes provisions for features such as frequency synchronization, shutdown, and feedback controls for either positive or negative voltage regulation. These parts are pin-to-pin compatible with LT1372 / 1373.
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Technical Documentation & Design Resources
| Design Notes (3) | Package Drawings (1) |
| Simulation Models (1) | Videos (1) |
| Data Sheets (1) | Evaluation Board Documents (9) |
Evaluation/Development Tool Information
| Product | Status | Compliance | Short Description | Action | |
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| CS5171BSTGEVB | Active |
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Demonstration Boost Regulator Evaluation Board | ||
| CS5171HVBSTGEVB | Active |
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HVBS Evaluation Board |
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Availability & Samples
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Specifications
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Case Outlines
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Interactive Block Diagram
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Case Outline |
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| CS5171ED8G |
Obsolete  |
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CS5171, TJ= -40°C to 125°C | SOIC-8 | 751-07 | 1 | 260 | Tube | 98 | |||||||||
| CS5171EDR8G | Active |
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CS5171, TJ= -40°C to 125°C | SOIC-8 | 751-07 | 1 | 260 | Tape and Reel | 2500 | $1.0776 | ||||||||
| CS5171GD8G |
Obsolete |
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CS5171, TJ= 0°C to 125°C | SOIC-8 | 751-07 | 1 | 260 | Tube | 98 | |||||||||
| CS5171GDR8G | Active |
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CS5171, TJ= 0°C to 125°C | SOIC-8 | 751-07 | 1 | 260 | Tape and Reel | 2500 | $0.9333 | ||||||||
| Market Leadtime (weeks) | : | Contact Factory |
| Market Leadtime (weeks) | : | Contact Factory |
| FutureElectronics (2020-08-19 00:00) | : | >1K |
| Avnet (2020-08-19 00:00) | : | >1K |
| PandS (2020-09-14 00:00) | : | >10K |
| Market Leadtime (weeks) | : | Contact Factory |
| PandS (2020-09-14 00:00) | : | <100 |
| Market Leadtime (weeks) | : | Contact Factory |
Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
VCC Min (V)
VCC Max (V)
VO Typ (V)
IO Typ (A)
Efficiency (%)
fSW Typ (kHz)
Package Type
CS5171EDR8G
$1.0776
Pb
A
H
P
Active
Flyback
Step-Down
Step-Up
Current Mode
2.7
30
3-39
1.5
90
275
SOIC-8
CS5171GDR8G
$0.9333
Pb
A
H
P
Active
Flyback
Step-Down
Step-Up
Current Mode
2.7
30
3-39
1.5
90
275
SOIC-8
| Support |
| Featured Video |
| Demonstration Boost Regulator Evaluation Board - CS5171BSTGEVB Test Procedure |
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