Datasheet > AAT2842_07

AAT2842_07

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		泵
页数	文件大小	规格书
22页	621K
描述
High-Current Charge Pump with S2Cwire⑩ Control and Dual LDO for Backlight and Flash

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AAT2842_07 数据手册

AAT2842

High-Current Charge Pump with S Cwire™

Control and Dual LDO for Backlight and Flash

Typical Characteristics

V_IN= 3.6V; C_IN= 4.7µF; C_OUT= 2.2µF; C₁= C₂= 1.0µF; R_BSET= R_FSET= 280kΩ; T_A= -40°C to +85°C, unless

otherwise noted. Typical values are at T_A= 25°C.

BENS, FENS High Threshold Voltage

vs. Supply Voltage

BENS, FENS Low Threshold Voltage

vs. Supply Voltage

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

-40°C

25°C

85°C

25°C

85°C

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

V_IN(V)

BENS, FENS Latch Timeout

vs. Supply Voltage

BENS, FENS Off Timeout vs. Supply Voltage

400

350

300

250

200

150

500

450

400

350

-40°C

25°C

85°C

-40°C

300

250

25°C

200

85°C

150

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

V_IN(V)

LDOs A and B Turn On Characteristic

LDOs A and B Line Regulation

1.00

OUTA

0.50

ENL

(2V/div)

0.00

OUTB

-0.50

V_OUT

(500mV/div)

-1.00

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

Time (50µs/div)

Input Voltage (V)

2842.2007.09.1.2

1...5 6 789 10 11...22

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