LTC1772CS6
LTC1772CS6 is a constant frequency current mode step-down DC/DC controller in SOT-23 packageLTC1772CS6
LTC1772CS6 is a constant frequency current mode step-down DC/DC controller in SOT-23 package
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Manufacturer Part # : LTC1772CS6
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Package/Case: SOT23-6
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Part Status : OBSOLETE
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Brand: Analog Devices
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Product Categories : DC DC Switching Controllers
Quality Assurance
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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LTC1772CS6 DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LTC®1772 is a constant frequency current mode stepdown DC/DC controller providing excellent AC and DC load and line regulation. The device incorporates an accurate undervoltage lockout feature that shuts down the LTC1772 when the input voltage falls below 2.0V.The LTC1772 provides a ±2.5% output voltage accuracy and consumes only 270µA of quiescent current. For applications where efficiency is a prime consideration, the LTC1772 is configured for Burst Mode operation, which enhances efficiency at low output current.To further maximize the life of a battery source, the external P-channel MOSFET is turned on continuously in dropout (100%dutycycle).In shutdown, the device draws a mere 8µA. High constant operating frequency of 550kHz allows the use of a small external inductor.FEATURES■ High Efficiency: Up to 94%■ High Output Currents Easily Achieved■ Wide VIN Range: 2.5V to 9.8V■ Constant Frequency 550kHz Operation■ Burst Mode® Operation at Light Load■ Low Dropout: 100% Duty Cycle■ Tiny 6-Lead SOT-23 Package■ 0.8V Reference Allows Low Output Voltages■ Current Mode Operation for Excellent Line and Load Transient Response■ Low Quiescent Current: 270µA■ Shutdown Mode Draws Only 8µA Supply Current■ ±2.5% Reference AccuracyAPPLICATIONS■ One or Two Lithium-Ion-Powered Applications■ Cellular Telephones■ Wireless Modems■ Portable Computers■ Distributed 3.3V, 2.5V or 1.8V Power Systems■ Scanners
Key Features
- High Efficiency: Up to 94%
- High Output Currents Easily Achieved
- Wide VIN Range: 2.5V to 9.8V
- Constant Frequency 550kHz Operation
- Burst Mode® Operation at Light Load
- Low Dropout: 100% Duty Cycle
- Tiny 6-Lead SOT-23 Package
- 0.8V Reference Allows Low Output Voltages
- Current Mode Operation for Excellent Line and Load Transient Response
- Low Quiescent Current: 270µA
- Shutdown Mode Draws Only 8µA Supply Current
- ±2.5% Reference Accuracy
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Transferred |
Part Package Code | SOT | Pin Count ! | 6 |
Reach Compliance Code | not_compliant | ECCN Code | EAR99 |
HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | SWITCHING CONTROLLER |
Control Mode | CURRENT-MODE | Control Technique | PULSE WIDTH MODULATION |
Input Voltage-Max | 9.8 V | Input Voltage-Min | 2.5 V |
Input Voltage-Nom | 4.2 V | JESD-30 Code | R-PDSO-G6 |
JESD-609 Code | e0 | Length | 2.9 mm |
Moisture Sensitivity Level | 1 | Number of Functions | 1 |
Number of Terminals | 6 | Operating Temperature-Max | 70 °C |
Operating Temperature-Min | Output Current-Max | 1 A | |
Package Body Material | PLASTIC/EPOXY | Package Code | VSSOP |
Package Equivalence Code | TSOP6,.11,37 | Package Shape | RECTANGULAR |
Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH | Qualification Status ! | Not Qualified |
Seated Height-Max | 1 mm | Surface Mount ! | YES |
Switcher Configuration | BUCK | Switching Frequency-Max | 650 kHz |
Technology | CMOS | Temperature Grade ! | COMMERCIAL |
Terminal Finish | TIN LEAD | Terminal Form ! | GULL WING |
Terminal Pitch ! | 0.95 mm | Terminal Position | DUAL |
Width | 1.625 mm | Product Category ! | Switching Voltage Regulators |
RoHS | N | Mounting Style | SMD/SMT |
Package / Case | SOT-6 | Topology | Buck |
Output Voltage | 800 mV to 9.8 V | Output Current ! | 5 A |
Number of Outputs | 1 Output | Input Voltage, Min | 2.5 V |
Input Voltage, Max | 9.8 V | Switching Frequency ! | 550 kHz |
Minimum Operating Temperature | 0 C | Maximum Operating Temperature ! | + 70 C |
Series | LTC1772 | Brand | Analog Devices |
Height | 1 mm | Operating Supply Current | 270 uA |
Product Type ! | Switching Voltage Regulators | Subcategory | PMIC - Power Management ICs |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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