AAT1112ITP-0.6-T1 データシートの表示（PDF） - Analog Technology Inc

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AAT1112ITP-0.6-T1

1.5A, 1.4MHz Step-Down Converter

Analog Technology Inc 

Typical Characteristics

Switching Frequency vs. Temperature

(VIN = 3.6V; VOUT = 1.8V; IOUT = 1A)

1.40

1.38

1.36

1.34

1.32

1.30

1.28

1.26

1.24

-40

-20

0

20

40

60

80

Temperature (°C)

AAT1112

1.5A, 1.4MHz Step-Down Converter

Line Regulation

(VOUT = 1.8V; IOUT = 1A)

0.12

0.10

0.08

0.06

0.04

0.02

0.00

-0.02

-0.04

2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5

Supply Voltage (V)

Switching Frequency vs. Input Voltage

(IOUT = 1A)

1.40

1.39

1.38 VOUT = 1.8V VOUT = 2.5V

1.37

1.36

1.35

VOUT = 3.3V

1.34

1.33

1.32

2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5

Input Voltage (V)

EN

(2V/div)

VOUT

(1V/div)

IIN

(500mA/div)

Enable Soft Start

(VOUT = 3.6V; IOUT = 1.5A)

Time (100µs/div)

P-Channel RDS(ON) vs. Input Voltage

180

170 120°C

160

150

140 85°C

130

120 25°C

110

100

90

2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5

Input Voltage (V)

N-Channel RDS(ON) vs. Input Voltage

150

140

120°C

130

120

110

100 85°C

90

80 25°C

70

60

2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5

Input Voltage (V)

8

1112.2007.01.1.1

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