Datasheet > LTC1174_06

LTC1174_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
凌特 - Linear		转换器
页数	文件大小	规格书
20页	248K
描述
High Efficiency Step-Down and Inverting DC/DC Converter

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LTC1174_06 数据手册

LTC1174

LTC1174-3.3/LTC1174-5

U W

TYPICAL PERFOR A CE CHARACTERISTICS

Switch Leakage Current

vs Temperature

Line Regulation

Efficiency vs Input Voltage

180

160

140

120

100

= 13.5V

= 100mA

= 0V

LOAD

PGM

L = 100µH

–2

–4

–6

–8

–10

–12

–14

L = 50µH

= 5V

OUT

PGM

LOAD

= 0V

= 75mA

CORE = CTX (Kool Mµ^®)

100

10 11 12 13 14

INPUT VOLTAGE (V)

TEMPERATURE (°C)

INPUT VOLTAGE (V)

1174 G07

1174 G08

1174 G09

DC Supply Current

Supply Current in Shutdown

Efficiency vs Input Voltage

500

450

400

350

300

250

200

150

100

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

= 0V

PGM

ACTIVE MODE

= 5V

OUT

L = 100µH

COIL = CTX100-4

SHUTDOWN = 0V

= 25°C

= V

PGM

CURRENT INTO PIN 6 ONLY

I = 100mA

LOAD

I = 0V

PGM

= 300mA

LOAD

= V

PGM

SLEEP MODE

= 25°C

10 11 12 13 14

INPUT VOLTAGE (V)

1174 G12

1174 G10

1174 G11

Operating Frequency

vs V – V

Switch Resistance vs

Input Voltage

Off-Time vs Output Voltage

OUT

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

2.0

1.5

1.0

0.5

T = 25°C

= 5V

OUT

= 25°C

= 70°C

LTC1174HV

LTC1174

LTC1174-5

LTC1174HV-5

LTC1174-3.3

LTC1174HV-3.3

10 12

14 16 18 20

INPUT VOLTAGE (V)

(V – V ) VOLTAGE (V)

OUTPUT VOLTAGE (V)

OUT

1174 G13

1174 G14

1174 G15

1174fe

1 2 3 456 7 8...20

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