LT3573

2

3573f

ABSOLUTE MAXIMUM RATINGS

SW ............................................................................60V

Maximum Junction Temperature........................... 125°C

Operating Junction Temperature Range (Note 2)

LT3573E.............................................–40°C to 125°C

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

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT3573EMSE#PBF

LT3573EMSE#TRPBF

3573

16-Lead Plastic MSOP

–40°C to 125°C

LT3573IMSE#PBF

LT3573IMSE#TRPBF

3573

16-Lead Plastic MSOP

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

l

340

V

Quiescent Current

SS = 0V

3.5

01

mA

μA

Soft-Start Current

SS = 0.4V

7

μA

SHDN/UVLO Pin Threshold

UVLO Pin Voltage Rising

l

1.15

1.22

1.29

V

SHDN/UVLO Pin Hysteresis Current

2

2.5

3

μA

Soft-Start Threshold

0.7

V

Maximum Switching Frequency

1000

kHz

Switch Current Limit

1.25

1.55

1.85

A

Minimum Current Limit

140

200

260

mA

150

250

mV

l

1.21

1.20

1.23

1.25

1.25

V

0.01

0.03

%/ V

(Note 3)

l

100

600

nA

190

μA

PIN CONFIGURATION

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

TOP VIEW

MSE PACKAGE

16-LEAD PLASTIC MSOP

GND

TEST

GND

SW

BIAS

SHDN/UVLO

GND

GND

TC

SS

GND

17

EXPOSED PAD (PIN 17) IS GND, MUST BE CONNECTED TO GND