MAX1961(2003) 查看數據表（PDF） - Maxim Integrated

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MAX1961
(Rev.:2003)

2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining

Maxim Integrated 

2.35V to 5.5V, 0.5% Accurate, 1MHz PWM

Step-Down Controllers with Voltage Margining

Table 4. R1, R3, and C9 Component Values for 1MHz Operation

VIN

5V

3.3V

2.5V

VOUT = 3.3V

R1 (kΩ) R3 (kΩ) C9 (µF)

3.12

1.2 0.0068

—

—

—

—

—

—

VOUT = 2.5V

R1 (kΩ) R3 (kΩ) C9 (µF)

2.13

9.1

0.01

—

—

—

—

—

—

VOUT = 1.8V

R1 (kΩ) R3 (kΩ) C9 (µF)

1.24

6.8

0.01

1.24

2.7

0.01

1.24

3.9

0.01

VOUT = 1.5V

R1 (Ω) R3 (kΩ) C9 (µF)

876

5.5

0.01

876

2.4

0.01

876

3.3

0.01

Table 5. R1, R3, and C9 Component Values for 500kHz Operation

VIN

5V

3.3V

2.5V

VOUT = 3.3V

R1 (kΩ) R3 (kΩ) C9 (µF)

3.12

36 0.0033

—

—

—

—

—

—

VOUT = 2.5V

R1 (kΩ) R3 (kΩ) C9 (µF)

2.13

27 0.0047

2.13

47 0.0033

—

—

—

VOUT = 1.8V

R1 (kΩ) R3 (kΩ) C9 (µF)

1.24

20 0.0068

1.24

30 0.0047

1.24

39 0.0033

VOUT = 1.5V

R1 (Ω) R3 (kΩ) C9 (µF)

876

16 0.0068

876

27 0.0047

876

33 0.0033

Table 6. Component Suppliers

SUPPLIER

Central Semiconductor

International Rectifier

Kamaya

Murata

Panasonic

Sanyo

Sumida

Taiyo Yuden

PHONE

631-435-1110

310-322-3331

260-489-1533

814-237-1431

714-373-7939

619-661-6835

847-956-0666

408-573-4150

WEBSITE

www.centralsemi.com

www.irf.com

www.kamaya.com

www.murata.com

www.panasonic.com

www.sanyo.com

www.sumida.com

www.t-yuden.com

PART

MAX1960

MAX1961

MAX1962

VOLTAGE

MARGINING

±4%

No

Selector Guide

CURRENT

LIMIT

FET VDS

Sensing

±10% with

RSENSE

OUTPUT

VOLTAGE

Adjustable

4 Presets

4 Presets or

Adjustable

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