LTC3899

3

3899fa

0V, VPRG3 = Float unless otherwise noted.

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3899EFE#PBF

LTC3899EFE#TRPBF

LTC3899FE

38-Lead Plastic TSSOP

–40°C to 125°C

LTC3899IFE#PBF

LTC3899IFE#TRPBF

LTC3899FE

38-Lead Plastic TSSOP

–40°C to 125°C

LTC3899HFE#PBF

LTC3899HFE#TRPBF

LTC3899FE

38-Lead Plastic TSSOP

–40°C to 150°C

LTC3899MPFE#PBF

LTC3899MPFE#TRPBF

LTC3899FE

38-Lead Plastic TSSOP

–55°C to 150°C

LTC3899EUHF#PBF

LTC3899EUHF#TRPBF

3899

38-Lead (5mm × 7mm) Plastic QFN

–40°C to 125°C

LTC3899IUHF#PBF

LTC3899IUHF#TRPBF

3899

38-Lead (5mm × 7mm) Plastic QFN

–40°C to 125°C

LTC3899HUHF#PBF

LTC3899HUHF#TRPBF

3899

38-Lead (5mm × 7mm) Plastic QFN

–40°C to 150°C

LTC3899MPUHF#PBF

LTC3899MPUHF#TRPBF 3899

38-Lead (5mm × 7mm) Plastic QFN

–55°C to 150°C

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

Consult LTC Marketing for information on nonstandard lead based finish parts.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Bias Input Supply Operating Voltage Range

4.5

60

V

Buck Regulated Feedback Voltage

(Note 4) ITH1,2 Voltage = 1.2V

0°C to 85°C

l

0.792

0.788

0.800

0.800

0.808

0.812

V

V

Boost Regulated Feedback Voltage

(Note 4) ITH3 Voltage = 1.2V

VPRG3 = FLOAT

VPRG3 = 0V

l

l

l

1.182

9.78

11.74

1.200

10.00

12.00

1.218

10.22

12.26

V

V

V

Buck Feedback Current

(Note 4)

–2

±50

nA

Boost Feedback Current

(Note 4)

VPRG3 = FLOAT

VPRG3 = 0V

±0.01

4

5

±0.05

6

7

µA

µA

µA

Reference Voltage Line Regulation

0.002

0.02

%/V

Output Voltage Load Regulation

(Note 4) Measured in Servo Loop,

∆ITH Voltage = 1.2V to 0.7V

l

0.01

0.1

%

(Note 4) Measured in Servo Loop,

∆ITH Voltage = 1.2V to 2V

l

–0.01

–0.1

%

(Note 4) ITH1,2,3 = 1.2V, Sink/Source 5µA

2

mmho