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Lastest Step Down Texas Instruments MCU Adjustable Output LM5161PWPT
Detailed Product Description
Type:
Logic ICs
D/c:
15+
Condition:
New Original 100%
Email:
Wengoic(at)hotmail.com
Operating Temperature:
40-85C
High Light:
Adjustable Texas Instruments MCU
,
Step Down Texas Instruments MCU
,
LM5161PWPT
ECAD Module
PCB Symbol,Footprint & 3D Model
Supply and Demand Status
Balance
Fake Threat In the Open Market
69 pct.
Popularity
Medium
Win Source Part Number
1054873-LM5161PWPT
Case / Package
14-HTSSOP
Mounting
SMD (SMT)
Temperature Range - Operating
-40°C to 125°C (TJ)
Synchronous Rectifier
Yes
Frequency - Switching
50kHz to 1MHz
Output Current
1A
Maximum Output Voltage
92V
Minimum Input Voltage
4.5V
Number of Outputs
1
Output Type
Adjustable
Purpose
Step-Down
Status
Active
Packaging
Reel - TR
Manufacturer
Texas Instruments
Categories
Integrated Circuits
Topology
Buck, Flyback
Maximum Input Voltage
100V
Nominal Output Voltage (Min/Fixed)
2V
Features for the LM5161
Wide 4.5-V to 100-V Input Voltage Range
Integrated High-Side and Low-Side Switches
No Schottky Diode Required
1-A Maximum Load Current
Constant ON-Time Control
No External Loop Compensation
Fast Transient Response
Selectable DCM Buck Operation at Light Load
CCM Option Supports Multi-Output Fly-Buck™
No External Ripple circuit needed (at FPWM = 0)
Nearly Constant Switching Frequency
Frequency Adjustable Up to 1 MHz
Programmable Soft-Start Time
Prebias Start-Up
Peak Current Limiting Protection
Adjustable Input UVLO and Hysteresis
±1% Feedback Voltage Reference
Thermal Shutdown Protection
Description for the LM5161
The LM5161 is a 100-V, 1-A synchronous step-down converter with integrated high-side andlow-side MOSFETs. The constant-ON-time control scheme requires no loop compensation and supportshigh step-down ratios with fast transient response. An internal feedback amplifier maintains ±1%output voltage regulation over the entire operating temperature range. The ON-time varies inverselywith input voltage resulting in nearly constant switching frequency. Peak and valley current limitcircuits protect against overload conditions. The under-voltage lockout (EN/UVLO) circuit providesindependently adjustable input undervoltage threshold and hysteresis. The FPWM input pin in LM5161selects either the forced continuous conduction mode (CCM) under all load levels or thediscontinuous conduction mode (DCM) under light or no load conditions. When operating in forcedCCM, the LM5161 supports the multiple output and isolated Fly-Buck applications. When programmedfor the DCM operation, the LM5161 provides a tightly regulated buck output without any additionalexternal feedback ripple injection circuit.
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