Datasheet > CXLD140

CXLD140

更新时间： 2022-12-21 13:00:11

品牌	Logo	应用领域
美信 - MAXIM		转换器
页数	文件大小	规格书
12页	276K
描述
16μA IQ, 1.2A PWM Step-Down DC-DC Converters

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数据手册

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CXLD140 数据手册

16µA I , 1.2A PWM DC-DC

Step-Down Converters

6/MAX157

SHORT-CIRCUIT

PROTECTION

CLOCK

1MHz

BIAS

SHDN

CURRENT-LIMIT

COMPARATOR

INP

CURRENT

SENSE

PWM

AUTO SKIP

CONTROL

0.675V

PWM

COMPARATOR

SLOPE

COMP

PGND

SKIP-OVER

ENTER SKIP/

SR OFF

ZERO-CROSS

DETECT

ERROR

AMPLIFIER

OUT

GND

REFERENCE

1.25V

OUTPUT

VOLTAGE

SELECTOR

MAX1556

MAX1556A

MAX1557

Figure 1. Functional Diagram

OUTPUT

3.3µH

4.7µH

0.75V TO V

INPUT

2.6V TO 5.5V

1.2A

600mA

INP

10µF

100Ω

22µF

MAX1556

MAX1556A

MAX1557

PGND

0.47µF

VOLTAGE

SELECT

VOLTAGE

SELECT

OUT

1000pF

OFF

SHDN

OFF

GND

Figure 2. MAX1556 Typical Application Circuit

Figure 3. MAX1557 Typical Application Circuit

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1...4 5 678 9 10...12

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