Datasheet > LT1513%20LT1513-2

LT1513%20LT1513-2

更新时间： 2022-01-18 22:16:00

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
16页	303K
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LT1513%20LT1513-2 数据手册

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LT1513/LT1513-2

TYPICAL PERFORMANCE CHARACTERISTICS

Switch Saturation Voltage

vs Switch Current

Switch Current Limit

vs Duty Cycle

Minimum Input Voltage

vs Temperature

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

3.0

2.8

2.6

2.4

2.2

2.0

1.8

150°C

100°C

25°C

25°C AND

125°C

–55°C

10 20 30 40 50 60 70 80 90 100

DUTY CYCLE (%)

75 100

TEMPERATURE (°C)

–50 –25

25 50

125 150

0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0

SWITCH CURRENT (A)

LT1513 • G02

LT1513 • G03

LT1513 • G01

Output Charging Characteristics

Showing Constant-Current and

Constant-Voltage Operation

Negative Feedback Input Current

vs Temperature

–10

–20

–30

–40

–50

MAXIMUM AVAILABLE

CHARGING CURRENT

WITH 12V INPUT

= 12V

(A) 8.4V BATTERY

= 0.5A

(A)

(B)

CHRG

(B) 8.4V BATTERY

= 1A

CHRG

= 1.5A

CHRG

(C)

0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

CHARGING CURRENT (A)

–50

100 125

150

–25

TEMPERATURE (°C)

1513 G07

LT1513 • G06

Feedback Input Current

vs Temperature

Minimum Peak-to-Peak

Synchronization Voltage vs Temperature

800

700

600

500

400

300

200

100

3.0

2.5

2.0

1.5

1.0

0.5

= 700kHz

SYNC

= V

REF

50 75

TEMPERATURE (°C)

–50 –25

100 125 150

75 100

–50 –25

25 50

125 150

TEMPERATURE (°C)

LT1513 • G05

LT1513 • G04

1 2 345 6 7...16

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