Datasheet > ADP1613-BL1-EVZ

ADP1613-BL1-EVZ

更新时间： 2024-02-19 04:28:33

品牌	Logo	应用领域
亚德诺 - ADI		转换器开关
页数	文件大小	规格书
28页	1262K
描述
650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters

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ADP1613-BL1-EVZ 数据手册

650 kHz /1.3 MHz Step-Up

PWM DC-to-DC Switching Converters

ADP1612/ADP1613

FEATURES

TYPICAL APPLICATION CIRCUIT

Current limit

1.4 A for the ADP1612

2.0 A for the ADP 1613

Minimum input voltage

1.8 V for the ADP1612

2.5 V for the ADP1613

Pin-selectable 650 kHz or 1.3 MHz PWM frequency

Adjustable output voltage up to 20 V

Adjustable soft start

ADP1612/

ADP1613

OUT

VIN

OFF

1.3MHz

650kHz

(DEFAULT)

FREQ

COMP

OUT

GND

COMP

Undervoltage lockout

Thermal shutdown

COMP

8-lead MSOP

Figure 1. Step-Up Regulator Configuration

APPLICATIONS

TFT LCD bias supplies

Portable applications

Industrial/instrumentation equipment

100

GENERAL DESCRIPTION

= 5V

f_SW= 1.3MHz

= 25°C

The ADP1612/ADP1613 are step-up dc-to-dc switching con-

verters with an integrated power switch capable of providing

an output voltage as high as 20 V. With a package height of less

than 1.1 mm, the ADP1612/ADP1613 are optimal for space-

constrained applications such as portable devices or thin film

transistor (TFT) liquid crystal displays (LCDs).

The ADP1612/ADP1613 operate in current mode pulse-width

modulation (PWM) with up to 94% efficiency. Adjustable

soft start prevents inrush currents when the part is enabled.

The pin-selectable switching frequency and PWM current-mode

architecture allow for excellent transient response, easy noise

filtering, and the use of small, cost-saving external inductors

and capacitors. Other key features include undervoltage lockout

(UVLO), thermal shutdown (TSD), and logic controlled enable.

ADP1612, V

ADP1613, V

= 12V

OUT

= 15V

= 12V

= 15V

100

LOAD CURRENT (mA)

Figure 2. ADP1612/ADP1613 Efficiency for Various Output Voltages

The ADP1612/ADP1613 are available in the lead-free

8-lead MSOP.

Rev. A

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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