Datasheet > APE1920

APE1920

更新时间： 2024-11-09 12:29:23

品牌	Logo	应用领域
富鼎先进 - A-POWER		转换器高压升压转换器
页数	文件大小	规格书
16页	1350K
描述
680K/1.2MHz, HIGH VOLTAGE, BOOST CONVERTER

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APE1920 数据手册

Advanced Power

Electronics Corp.

APE1920

680K/1.2MHz, HIGH VOLTAGE, BOOST CONVERTER

FEATURES

DESCRIPTION

The APE1920 is a high performance, high efficiency

step up DC-DC Converter with integrated 3A. The APE1920

converter input voltage ranging from 2.6 to 5.5V. The Output

voltage can be set up to 27V. The selectable frequency of

680 kHz and 1.2 MHz allows the use of small external

inductors and capacitors and provides fast transient

response. Current mode control with external compensation

network makes it easy to stabilize the system and keep

maximum flexibility. Programmable soft start function

minimizes impact on the input power system. Internal power

MOSFET with very low RDS (ON) provides high efficiency.

The APE1920 automatically transits from PWM to PFM

during light load condition further increasing efficiency. The

converter also provides protection functions such as Current

Limit and Thermal shutdown. The APE1920 is available in

space-saving MESOP-10, MESOP-8, TDFN 3x3-10L and

ESOP-8 packages.

Operating Voltage from 2.6V to 5.5V

Adjustable Output Voltage Range

up to 27V

Up to 3A Output Switch Current

680K/1.2MHz Selectable Switching

Frequency

Programmable Soft-start Function

External Compensation Network

Current Limit and Thermal Shutdown

Protection

Under Voltage Lockout

< 1µA Shutdown Current

Available in the Pb-Free MESOP-10,

MESOP-8, TDFN 3x3-10L and ESOP-8

Packages

TYPICAL APPLICATION

1.FREQ=High (Frequency=1.2MHz) (MESOP-10 and TDFN 3x3-10L)

VIN=5V

VOUT=12V

4.7uH

B340A

4.7~100

130K

VCC

220pF

FREQ

2*10uF

3*10uF

15K

PGND

SGND

COMP

100K

0.1uF

10nF

1nF

APE1920

100pF

VOUT = 1.238V X (1 + ------- )

R8 Suggest 10K~30K

VIN 4.5V, R3=10Ω

VIN > 4.5V, R3=100Ω

Data and specifications subject to change without notice

201203271

12 3 4 5 6 7...16

中文翻译

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