AAT1130 Просмотр технического описания (PDF) - Analog Technology Inc

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AAT1130

2.5MHz 500mA Step-Down DC/DC Converter

Analog Technology Inc 

SwitchRegTM

Typical Characteristics

Switching Frequency vs. Output Voltage

(IOUT = 500mA)

3.75

3.25

2.75

2.25

1.75

1.25

0.6

0.9

1.2

1.5

1.8

Output Voltage (V)

PRODUCT DATASHEET

AAT1130

2.5MHz 500mA Step-Down DC/DC Converter

Load Transient

(VOUT = 1.8V Fixed; VIN = 3.6V; COUT = 4.7µF; L = 1.5µH)

1.90

1.6

1.85

1.4

1.80

1.2

1.75

1.0

1.70

0.8

1.65

500mA

0.6

1.60

0.4

1.55

0.2

10mA

1.50

0

Time (5µs/div)

Load Transient

(VOUT = 1.8V Fixed; VIN = 3.6V; COUT = 4.7µF; L = 1.5µH)

1.90

0.8

1.85

0.7

1.80

0.6

1.75

0.5

1.70

0.4

300mA

1.65

0.3

1.60

0.2

100mA

1.55

0.1

1.50

0.0

Time (5µs/div)

Load Transient

(VOUT = 1.8V; VIN = 3.6V; COUT = 4.7µF; CFF = 100pF; L = 1.5µH)

1.90

0.8

1.85

0.7

1.80

0.6

1.75

0.5

1.70

0.4

300mA

1.65

0.3

1.60

0.2

100mA

1.55

0.1

1.55

0.0

Time (5µs/div)

Load Transient

(VOUT = 1.8V; VIN = 3.6V; COUT = 4.7µF; L = 1.5µH)

1.90

0.8

1.85

0.7

1.80

0.6

1.75

0.5

1.70

0.4

300mA

1.65

0.3

1.60

0.2

100mA

1.55

0.1

1.50

0

Time (5µs/div)

Load Transient

(VOUT = 1.8V; VIN = 3.6V; COUT = 4.7µF; CFF = 100pF; L = 1.5µH)

1.90

1.6

1.85

1.4

1.80

1.2

1.75

1.0

1.70

0.8

1.65

500mA

0.6

1.60

0.4

1.55

10mA

0.2

1.50

0

Time (5µs/div)

8

www.analogictech.com

1130.2008.08.1.1

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