Datasheet > SD53-6R8-R

SD53-6R8-R

更新时间： 2024-11-12 06:10:51

品牌	Logo	应用领域
亚德诺 - ADI		稳压器电感器测试
页数	文件大小	规格书
28页	692K
描述
1.2 A, 20 V, 700 kHz/1.4 MHz, Nonsynchronous Step-Down Regulator

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SD53-6R8-R 数据手册

1.2 A, 20 V, 700 kHz/1.4 MHz,

Nonsynchronous Step-Down Regulator

ADP2300/ADP2301

TYPICAL APPLICATIONS CIRCUIT

FEATURES

1.2 A maximum load current

BST

3.0V TO 20V

VIN

2ꢀ output accuracy over temperature range

Wide input voltage range: 3.0 V to 20 V

700 kHz (ADP2300) or 1.4 MHz (ADP2301)

switching frequency options

OUT

ADP2300/

ADP2301

High efficiency up to 91ꢀ

GND

OFF

Current-mode control architecture

Output voltage from 0.8 V to 0.85 × V_IN

Automatic PFM/PWM mode switching

Precision enable pin with hysteresis

Integrated high-side MOSFET

Integrated bootstrap diode

Internal compensation and soft start

Minimum external components

Figure 1.

100

f_SW= 1.4MHz

f_SW= 700kHz

Undervoltage lockout (UVLO)

Overcurrent protection (OCP) and thermal shutdown (TSD)

ADIsimPower™ online design tool

Available in ultrasmall, 6-lead TSOT package

APPLICATIONS

LDO replacement for digital load applications

Intermediate power rail conversion

Communications and networking

Industrial and instrumentation

Healthcare and medical

= 12V

OUT

= 5.0V

0.2

0.4

0.6

(A)

0.8

1.0

1.2

OUT

Figure 2. Efficiency vs. Output Current

Consumer

GENERAL DESCRIPTION

The ADP2300/ADP2301 are compact, constant-frequency,

current-mode, step-down dc-to-dc regulators with integrated

power MOSFET. The ADP2300/ADP2301 devices run from

input voltages of 3.0 V to 20 V, making them suitable for a wide

range of applications. A precise, low voltage internal reference

makes these devices ideal for generating a regulated output

voltage as low as 0.8 V, with 2% accuracy, for up to 1.2 A load

current.

total solution size. Current-mode control provides fast and stable

line and load transient performance. The ADP2300/ADP2301

devices include internal soft start to prevent inrush current at

power-up. Other key safety features include short-circuit protec-

tion, thermal shutdown (TSD), and input undervoltage lockout

(UVLO). The precision enable pin threshold voltage allows the

ADP2300/ADP2301 to be easily sequenced from other input/

output supplies. It can also be used as a programmable UVLO

input by using a resistive divider.

There are two frequency options: the ADP2300 runs at 700 kHz,

and the ADP2301 runs at 1.4 MHz. These options allow users to

make decisions based on the trade-off between efficiency and

The ADP2300/ADP2301 are available in a 6-lead TSOT package

and are rated for the −40°C to +125°C junction temperature range.

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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