LM5166XDRCR
Conv DC-DC 3V to 65V Synchronous Step Down Single-Out 3.3V/5V/1.23V to 65V 0.5A 10-Pin VSON EP T/R
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Part Number : LM5166XDRCR
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Package/Case : 10-VSON (3x3)
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Brands : TI
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Components Categories : Voltage Regulators - DC DC Switching Regulators
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Datesheet : LM5166XDRCR DataSheet (PDF)
Overview of LM5166XDRCR
The LM5166 is a compact, easy-to-use, 3-V to 65-V, ultra-low IQ synchronous buck converter with high efficiency over wide input voltage and load current ranges. With integrated high-side and low-side power MOSFETs, up to 500 mA of output current can be delivered at fixed output voltages of 3.3 V or 5 V, or an adjustable output. The converter is designed to simplify implementation while providing options to optimize the performance for the target application. Pulse frequency modulation (PFM) mode is selected for optimal light-load efficiency or constant on-time (COT) control for nearly constant operating frequency. Both control schemes do not require loop compensation while providing excellent line and load transient response and short PWM on-time for large step-down conversion ratios.
The high-side P-channel MOSFET can operate at 100% duty cycle for lowest dropout voltage and does not require a bootstrap capacitor for gate drive. Also, the current limit setpoint is adjustable to optimize inductor selection for a particular load current requirement. Selectable and adjustable start-up timing options include minimum delay (no soft start), internally fixed (900 µs), and externally programmable soft start using a capacitor. An open-drain PGOOD indicator can be used for sequencing, fault reporting, and output voltage monitoring. The LM5166 is available in a 10-pin VSON package with 0.5-mm pin pitch.
Key Features
- Wide Input Voltage Range of 3 V to 65 V
- 9.7-µA No-Load Quiescent Current
- –40°C to 150°C Junction Temperature Range
- Fixed (3.3-V, 5-V) or Adjustable VOUT Options
- Meets EN55022 / CISPR 22 EMI Standards
- Integrated 1-Ω PFET Buck Switch
- Supports 100% Duty Cycle for Low Dropout
- Integrated 0.5-Ω NFET Synchronous Rectifier
- Eliminates External Schottky Diode
- Programmable Peak Current Limit Supports:
- 500-mA, 300-mA, or 200-mA Loads
- Selectable PFM or COT Mode Operation
- 1.223-V ±1.2% Internal Voltage Reference
- Switching Frequency up to 600 kHz
- 900-µs Internal or Externally-Adjustable Soft Start
- Diode Emulation and Pulse Skipping for Ultra-High Light-Load Efficiency
- No Loop Compensation or Bootstrap Components
- Precision Enable and Input UVLO With Hysteresis
- Open-Drain Power Good Indicator
- Thermal Shutdown Protection With Hysteresis
- Pin-to-Pin Compatible With the LM5165
- 10-Pin, 3-mm × 3-mm VSON Package
- Create a Custom Regulator Design Using WEBENCH® Power Designer
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Source Content uid | LM5166XDRCR | Pbfree Code | Yes |
Rohs Code | Yes | Part Life Cycle Code | Active |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | Package Description | HVSON, |
Reach Compliance Code | compliant | Date Of Intro | 2017-06-15 |
Samacsys Manufacturer | Texas Instruments | Additional Feature | ALSO REQUIRE PWM CONTROL TECHNIQUE |
Analog IC - Other Type | SWITCHING REGULATOR | Control Technique | PULSE FREQUENCY MODULATION |
Input Voltage-Max | 65 V | Input Voltage-Min | 3 V |
Input Voltage-Nom | 12 V | JESD-30 Code | S-PDSO-N10 |
JESD-609 Code | e4 | Length | 3 mm |
Moisture Sensitivity Level | 1 | Number of Functions | 1 |
Number of Outputs | 1 | Number of Terminals | 10 |
Operating Temperature-Max | 150 °C | Operating Temperature-Min | -40 °C |
Output Current-Max | 0.5 A | Output Voltage-Max | 65 V |
Output Voltage-Min | 1.23 V | Output Voltage-Nom | 5 V |
Package Body Material | PLASTIC/EPOXY | Package Code | HVSON |
Package Shape | SQUARE | Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
Peak Reflow Temperature (Cel) | 260 | Seated Height-Max | 1 mm |
Surface Mount | YES | Switcher Configuration | BUCK |
Switching Frequency-Max | 600 kHz | Temperature Grade | AUTOMOTIVE |
Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Terminal Form | NO LEAD |
Terminal Pitch | 0.5 mm | Terminal Position | DUAL |
Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | Width | 3 mm |
Warranty & Returns
Warranty, Returns, and Additional Information
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Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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