Datasheet > MAX17075_12

MAX17075_12

更新时间： 2022-11-17 18:35:06

品牌	Logo	应用领域
美信 - MAXIM		稳压器开关运算放大器泵
页数	文件大小	规格书
23页	601K
描述
Boost Regulator with Integrated Charge Pumps, Switch Control, and High-Current Op Amp

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数据手册

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MAX17075_12 数据手册

Boost Regulator with Integrated Charge Pumps,

Switch Control, and High-Current Op Amp

MAX1075

Typical Operating Characteristics

(T = +25°C, unless otherwise noted.)

STEP-UP REGULATOR EFFICIENCY

STEP-UP REGULATOR OUTPUT VOLTAGE

vs. LOAD CURRENT

STEP-UP REGULATOR LINE REGULATION

UNDER DIFFERENT LOADS

vs. LOAD CURRENT

100

0.6

0.4

0.20

0.15

= 5V

0.2

0.10

0.05

300mA LOAD

LOAD

= 3.3V

-0.2

-0.4

-0.6

-0.8

-1.0

200mA LOAD

100mA LOAD

= 2.5V

-0.05

-0.10

-0.15

-0.20

100

1000

100 200 300 400 500 600 700 800 900 1000

LOAD CURRENT (mA)

2.5

3.0

3.5

4.0

4.5

5.0

LOAD CURRENT (mA)

INPUT VOLTAGE (V)

STEP-UP REGULATOR SWITCHING

FREQUENCY vs. INPUT VOLTAGE

STEP-UP REGULATOR STARTUP

WITH HEAVY LOAD (600mA)

MAX17075 toc05

1.24

1.23

150mA LOAD

5V/div

AVDD

5V/div

1.22

1.21

1.20

1.19

1.18

1.17

1.16

1A/div

10V/div

2.5

3.0

3.5

4.0

4.5

5.0

2ms/div

INPUT VOLTAGE (V)

STEP-UP REGULATOR LOAD-TRANSIENT

STEP-UP REGULATOR PULSED

RESPONSE (100mA TO 800mA)

LOAD-TRANSIENT RESPONSE (80mA TO 2.08mA)

MAX17075 toc06

MAX17075 toc07

AVDD

(AC-COUPLED)

500mV/div

AVDD

(AC-COUPLED)

500mV/div

2A/div

LOAD CURRENT

500mA/div

LOAD CURRENT

1A/div

40µs/div

10µs/div

COMP

= 82kΩ

COMP

= 82kΩ

= 220pF

= 18pF

= 220pF

= 18pF

COMP1

COMP2

COMP1

COMP2

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