LTC4267

2

4267f

ABSOLUTE

AXI U

RATI GS

FOR ATIO

PACKAGE/ORDER I

ELECTRICAL CHARACTERISTICS

Low Impedance Source ........................... – 0.3V to 8V

⎯P⎯W⎯R⎯G⎯D Current.....................................................10mA

ORDER PART

NUMBER

DFN PART*

MARKING

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

4267

LTC4267CDHC

LTC4267IDHC

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

Maximum Operating Voltage

(Notes 4, 5, 6)

●

– 57

V

Signature Range

●

–1.5

–9.5

V

Classification Range

●

– 12.5

– 21

V

UVLO Turn-On Voltage

●

– 34.8

– 36.0

– 37.2

V

UVLO Turn-Off Voltage

●

– 29.3

– 30.5

– 31.5

V

Voltage with Respect to PGND

●

7.8

8.7

9.2

V

Voltage with Respect to PGND

●

4.6

5.7

6.8

V

●

1.5

3.0

V

●

8.3

9.4

10.3

V

with Respect to PGND

SENSE to PGND Voltage .............................. – 0.3V to 1V

NGATE Peak Output Current (<10μs) ..........................1A

Operating Ambient Temperature Range

LTC4267C ................................................ 0°C to 70°C

LTC4267I .............................................– 40°C to 85°C

Junction Temperature

GN Package ...................................................... 150°C

DHC Package .................................................... 125°C

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

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

ORDER PART

NUMBER

GN PART

MARKING

4267

4267I

LTC4267CGN

LTC4267IGN

EXPOSED PAD (PIN 17)

MUST BE SOLDERED TO ELECTRICALLY

ISOLATED PCB HEAT SINK

16

15

14

13

12

11

10

9

17

1

2

3

4

5

6

7

8

TOP VIEW

DHC16 PACKAGE

16-LEAD (3mm

× 5mm) PLASTIC DFN

PGND

NGATE

NC

NC

PGND

SENSE

SIGDISA

PWRGD

NC

TOP VIEW

GN PACKAGE

16-LEAD NARROW PLASTIC SSOP

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

PGND

NGATE

NC

PGND

PGND

SENSE

SIGDISA

PWRGD

PGND