LTC3410B 查看數據表（PDF） - Linear Technology

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LTC3410B

2.25MHz, 300mA Synchronous Step-Down Regulator in SC70

Linear Technology 

LTC3410B

ABSOLUTE AXI U RATI GS (Note 1)

Input Supply Voltage .................................. – 0.3V to 6V

RUN, VFB Voltages ..................................... – 0.3V to VIN

SW Voltage (DC) ......................... – 0.3V to (VIN + 0.3V)

P-Channel Switch Source Current (DC) ............. 500mA

N-Channel Switch Sink Current (DC) ................. 500mA

Peak SW Sink and Source Current .................... 630mA

Operating Temperature Range (Note 2) .. – 40°C to 85°C

Junction Temperature (Note 3) ............................ 125°C

Storage Temperature Range ................ – 65°C to 150°C

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

UW U

PACKAGE/ORDER I FOR ATIO

TOP VIEW

RUN 1

GND 2

SW 3

6 VFB

5 GND

4 VIN

SC6 PACKAGE

6-LEAD PLASTIC SC70

TJMAX = 125°C, θJA = 250°C/ W

ORDER PART NUMBER

LTC3410BESC6

SC6 PART MARKING

LBZY

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

Consult LTC Marketing for parts specified with wider operating temperature ranges.

TOP VIEW

RUN 1

GND 2

SW 3

6 VOUT

5 GND

4 VIN

SC6 PACKAGE

6-LEAD PLASTIC SC70

TJMAX = 125°C, θJA = 250°C/ W

ORDER PART NUMBER

LTC3410BESC6-1.2

LTC3410BESC6-1.5

LTC3410BESC6-1.8

LTC3410BESC6-1.875

SC6 PART MARKING

LCMX

LCMY

LCMZ

LCHZ

ELECTRICAL CHARACTERISTICS

The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.

VIN = 3.6V unless otherwise specified.

SYMBOL PARAMETER

CONDITIONS

MIN TYP MAX

IVFB

Feedback Current

Adjustable Output Voltage

●

IVOUT

Output Voltage Feedback Current Fixed Output Voltage

●

IPK

Peak Inductor Current

VIN = 3V, VFB = 0.7V or VOUT = 90%, Duty Cycle < 35%

VFB

Regulated Feedback Voltage

Adjustable Output Voltage (LTC3410BE)

●

∆VFB

Reference Voltage Line Regulation VIN = 2.5V to 5.5V

●

VOUT

Regulated Output Voltage

LTC3410B-1.2, IOUT = 100mA

●

LTC3410B-1.5, IOUT = 100mA

●

LTC3410B-1.8, IOUT = 100mA

●

LTC3410B-1.875, IOUT = 100mA

●

∆VOUT Output Voltage Line Regulation VIN = 2.5V to 5.5V

●

VLOADREG Output Voltage Load Regulation ILOAD = 50mA to 250mA

VIN

Input Voltage Range

●

VUVLO

Undervoltage Lockout Threshold

VIN Rising

VIN Falling

380

0.784

1.176

1.47

1.764

1.837

2.5

3.3

490

0.8

0.04

1.2

1.5

1.8

1.875

0.04

0.5

2.0

1.94

±30

6

600

0.816

0.4

1.224

1.53

1.836

1.913

0.4

5.5

2.3

2

UNITS

nA

µA

mA

V

%/V

V

V

V

V

%/V

%

V

V

V

3410bfa

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