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ADP2116

Analog Devices
Part Number ADP2116
Manufacturer Analog Devices
Description Step-Down DC-to-DC Regulator
Published Feb 8, 2010
Detailed Description Data Sheet Configurable, Dual 3 A/Single 6 A, Synchronous, Step-Down DC-to-DC Regulator ADP2116 FEATURES Configurable ...
Datasheet PDF File ADP2116 PDF File

ADP2116
ADP2116

Overview
Data Sheet Configurable, Dual 3 A/Single 6 A, Synchronous, Step-Down DC-to-DC Regulator ADP2116 FEATURES Configurable 3 A/3 A or 3 A/2 A dual-output load combinations or 6 A combined single-output load High efficiency: up to 95% Input voltage, VIN: 2.
75 V to 5.
5 V Selectable fixed output voltage of 0.
8 V, 1.
2 V, 1.
5 V, 1.
8 V, 2.
5 V, or 3.
3 V, or adjustable output voltage to 0.
6 V minimum ±1.
5% accurate reference voltage Selectable switching frequency of 300 kHz, 600 kHz, 1.
2 MHz, or synchronized from 200 kHz to 2 MHz Optimized gate slew rate for reduced EMI External synchronization input or internal clock output Dual-phase, 180° phase-shifted PWM channels Current mode for fast transient response Pulse skip mode with light loads or forced PWM operation Input undervoltage lockout (UVLO) Independent enable inputs and power-good outputs Overcurrent and thermal overload protection Programmable soft start 32-lead, 5 mm × 5 mm LFCSP package Supported by ADIsimPower™ design tool APPLICATIONS Point-of-load regulation Telecommunications and networking systems Consumer electronics Industrial and instrumentation Medical GENERAL DESCRIPTION The ADP2116 is a versatile, synchronous, step-down switching regulator that satisfies a wide range of customer point-of-load requirements.
The two PWM channels can be configured to deliver independent outputs at 3 A and 3 A (or at 3 A and 2 A) or can be configured as a single interleaved output capable of delivering 6 A.
The two PWM channels are 180° phase shifted to reduce input ripple current and input capacitance.
The ADP2116 provides high efficiency and can operate at switching frequencies of up to 2 MHz.
At light loads, the ADP2116 can be set to operate in pulse skip mode for higher efficiency or in forced PWM mode for noise sensitive applications.
The ADP2116 is designed with an optimized slew rate to reduce EMI emissions, allowing the device to power sensitive, high performance signal chain circuits.
The switching frequency can be se...


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