Datasheet > ADP2116

ADP2116

更新时间： 2024-11-27 06:36:23

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
36页	3031K
描述
Configurable, Dual 3 A/Single 6 A, Synchronous, Step-Down DC-to-DC Regulator

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ADP2116 数据手册

Configurable, Dual 3 A/Single 6 A,

Synchronous, Step-Down DC-to-DC Regulator

ADP2116

FEATURES

TYPICAL APPLICATION CIRCUIT

= 5V

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%

10Ω

1µF

100kΩ

EN2

EN1

VIN1

VIN2

Input voltage, V_IN: 2.75 V to 5.5 V

VIN4

22µF

VIN5

VIN6

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)

VIN3

PGOOD1

SW1

PGOOD2

PGOOD1

= 2.5V, 3A

PGOOD2

3.3µH

OUT1

= 1.2V, 3A

2.2µH

OUT2

SW3

ADP2116

SW2

PGND1

PGND2

47µF

22µF

SW4

47µF

100µF

SYNC

PGND3

PGND4

FB1

FB2

27kΩ

V1SET

V2SET

4.7kΩ

SYNC/CLKOUT

COMP2

COMP1

SS1

30kΩ

10nF

30kΩ

SS2

10nF

820pF

8.2kΩ

f_SW= 600kHz

Independent enable inputs and power-good outputs

Overcurrent and thermal overload protection

Programmable soft start

Figure 1.

100

32-lead, 5 mm × 5 mm LFCSP package

= 5.0V; V = 2.5V

OUT

= 5.0V; V = 3.3V

OUT

APPLICATIONS

Point-of-load regulation

Telecommunications and networking systems

Consumer electronics

Industrial and instrumentation

Medical

GENERAL DESCRIPTION

= 3.3V; V = 1.2V

OUT

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.

f_SW= 600kHz

10k

100

LOAD CURRENT (mA)

Figure 2. Typical Efficiency vs. Load Current

synchronization pin is also configurable as a 90° out-of-phase

output clock, providing the possibility for a stackable

multiphase power solution.

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 input voltage range is from 2.75 V to 5.5 V and can

convert to a fixed output of 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, or 3.3 V

that can be set independently for each channel using external

resistors. If a resistor divider is used, the output voltage can be

set as low as 0.6 V. The ADP2116 operates over the −40°C to

+125°C junction temperature range.

The ADP2116 is designed with an optimized slew rate to reduce

EMI emissions, allowing the device to power sensitive, high perfor-

mance signal chain circuits. The switching frequency can be set

to 300 kHz, 600 kHz, or 1.2 MHz, or it can be synchronized to an

external clock that minimizes the system noise. The bidirectional

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与ADP2116相关器件

型号	品牌	获取价格	描述	数据表
ADP2116ACPZ-R7	ADI	获取价格	Configurable, Dual 3 A/Single 6 A, Synchronous, Step-Down DC-to-DC Regulator
ADP2116-EVALZ	ADI	获取价格	Configurable, Dual 3 A/Single 6 A, Synchronous, Step-Down DC-to-DC Regulator
ADP2118	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
ADP2118ACPZ-1.0-R7	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
ADP2118ACPZ-1.2-R7	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
ADP2118ACPZ-1.5-R7	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
ADP2118ACPZ-1.8-R7	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
ADP2118ACPZ-2.5-R7	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
ADP2118ACPZ-3.3-R7	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
ADP2118ACPZ-R2	ADI	获取价格	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Regulator

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