LT1306 datasheet(2/16 Pages) LINER

2 / 16 page

LT1306

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Reference Voltage

Measured at the FB Pin

1.22

1.24

1.26

Reference Line Regulation

1.8V

≤ VIN ≤ 7V

0.002

0.1

%/V

FB Input Bias Current

VFB = VREF

Error Amplifier Transconductance

∆I = ±0.2µA

150

220

µΩ–1

Error Amplifier Output Source Current

VFB = 1V, VC = 0.8V

7.5

µA

Error Amplifier Output Sink Current

VFB = 1.5V, VC = 0.8V

7.5

µA

Error Amplifier Output Clamp Voltage

VFB = 1V

1.18

1.28

1.38

VIN Undervoltage Lockout Threshold

1.55

1.8

Idle Mode Output Leakage Current

VFB = 1.5V, VOUT = 5.5V, VSW = 1.7V

615

µA

Output Source Current in Shutdown

VOUT = 0V, VIN = VSW = 7V, VCAP = 7.2V, VS/S = 0V

–3

µA

Switching Frequency

1.8V

≤ VIN ≤ 7V, 0°C ≤ TA ≤ 85°C

260

310

415

kHz

1.8V

≤ VIN ≤ 7V, TA = –40°C

225

305

390

kHz

Maximum Duty Cycle

VFB = 1V, 0°C ≤ TA ≤ 85°C80

VFB = 1V, TA = – 40°C65

Switch Current Limit

Duty Cycle = 0.1 (Note 3)

2.3

Duty Cycle = 0.8 (Note 3)

2.0

Burst Mode Operation Switch Current Limit

250

Switch VCESAT

ISW = 2A

0.45

0.575

Rectifier VCESAT

ISW = 2A

0.49

0.675

Stepdown Mode Rectifier Voltage

VOUT = 0V, ISW = 1A

0.3 + VIN

0.7 + VIN

VOUT = 2.2V, ISW = 1A

1.3

1.8

Switch and Rectifier Leakage Current

VOUT = 0V, VIN = VSW = 7V, VCAP = 7.2V, VS/S = 0V

0.1

µA

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

ORDER PART

NUMBER

(Note 1)

VIN Voltage ............................................................. 10V

S/S Voltage ............................................................... 7V

FB Voltage .............................................................. 10V

VOUT Voltage .......................................................... 5.5V

Junction Temperature .......................................... 125

°C

Operating Temperature Range (Note 2) .. – 40

°C to 85°C

Storage Temperature Range ................. – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

Consult factory for Industrial and Military grade parts.

S8 PART MARKING

LT1306ES8

1306

TJMAX = 125°C, θJA = 90°C/ W

TOP VIEW

S8 PACKAGE

8-LEAD PLASTIC SO

VOUT

GND

S/S

VIN

CAP

ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 2.5V, VS/S = VIN, VC open unless otherwise noted.

LT1306 数据表(PDF) 2 Page - Linear Technology

LT1306 数据表(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

数据表下载

链接网址

LT1306 数据表(PDF) 2 Page - Linear Technology

LT1306 数据表(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

数据表 下载

链接网址

数据表下载