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ADP2114

Analog Devices
Part Number ADP2114
Manufacturer Analog Devices
Description Synchronous Step-Down DC-to-DC Regulator
Published Aug 20, 2009
Detailed Description Data Sheet Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator ADP2114 FEATURES Configurable 2...
Datasheet PDF File ADP2114 PDF File

ADP2114
ADP2114

Overview
Data Sheet Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator ADP2114 FEATURES Configurable 2 A/2 A or 3 A/1 A dual output load combinations or 4 A combined single output High efficiency: up to 95% Input voltage VIN: 2.
75 V to 5.
5 V Selectable fixed output: 0.
8 V, 1.
2 V, 1.
5 V, 1.
8 V, 2.
5 V, 3.
3 V or adjustable output voltage to 0.
6 V minimum ±1.
5% accurate reference voltage Selectable switching frequency: 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 under light load or forced PWM operation Input undervoltage lockout (UVLO) Independent enable inputs and PGOOD outputs Overcurrent and thermal overload protection Externally 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 ADP2114 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 2 A and 2 A (or 3 A/1 A) or can be configured as a single interleaved output capable of delivering 4 A.
The two PWM channels are 180º phase shifted to reduce input ripple current and to reduce input capacitance.
The ADP2114 provides high efficiency and operates at switching frequencies of up to 2 MHz.
At light loads, the ADP2114 can be set to operate in pulse skip mode for higher efficiency or in forced PWM mode to reduce EMI.
The ADP2114 is designed with an optimized gate slew rate to reduce EMI emissions, allowing it to power sensitive, high performance signal chain circuits.
The switching frequency can be set to 300 kHz, 600 kHz, or 1.
2 MHz and can be s...


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