LT3752MPFE#PBF datasheet(4/52 Pages) AD

4 / 52 page

LT3752/LT3752-1

Rev. C

For more information www.analog.com

ELECTRICAL CHARACTERISTICS The

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, UVLO_VSEC = 2.5V.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Operational Input Voltage (LT3752)

6.5

100

Operational Input Voltage (LT3752-1)

10.5

VIN(ON) (LT3752)

5.8

6.4

VIN(OFF) (LT3752)

5.5

5.9

VIN(ON/OFF) Hysteresis (LT3752)

0.1

0.3

0.5

VIN(ON) (LT3752-1)

9.5

10.4

VIN(OFF) (LT3752-1)

7.6

VIN(ON/OFF) Hysteresis (LT3752-1)

1.61

1.9

2.19

VIN Start-Up Current (LT3752-1)

(Notes 6, 7)

170

265

µA

VIN Quiescent Current (Housekeeping Controller

Only) (LT3752)

HCOMP = 1V (Housekeeping Not Switching),

HFB = 0.85V

6.2

VIN Quiescent Current (Housekeeping Controller

Only) (LT3752-1)

HCOMP = 1V (Housekeeping Not Switching),

HFB = 0.85V

4.6

VIN Quiescent Current (Housekeeping Controller +

Forward Controller)

HCOMP = 1V (Housekeeping Not Switching),

HFB = 1.35V, FB = 1.5V (Main Loop Not Switching)

7.5

9.5

UVLO_VSEC Micropower Threshold (VSD)

IVIN < 20µA

0.2

0.4

0.6

VIN Shutdown Current (Micropower)

UVLO_VSEC = 0.2V

µA

UVLO_VSEC Threshold (VSYS_UV)

1.180

1.250

1.320

VIN Shutdown Current (After Soft-Stop)

UVLO_VSEC = 1V

165

220

µA

UVLO_VSEC (ON) Current

UVLO_VSEC = VSYS_UV + 50mV

µA

UVLO_VSEC (OFF) Current

Hysteresis Current

With One-Shot Communication Current

UVLO_VSEC = VSYS_UV – 50mV

(Note 15)

4.0

6.0

µA

OVLO (Rising) (No Switching, Reset SS1)

1.220

1.250

1.280

OVLO (Falling) (Restart SS1)

1.215

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

AUTOMOTIVE PRODUCTS**

LT3752EFE#WPBF

LT3752EFE#WTRPBF

LT3752FE

38-Lead Plastic TSSOP

–40°C to 125°C

LT3752IFE#WPBF

LT3752IFE#WTRPBF

LT3752FE

38-Lead Plastic TSSOP

–40°C to 125°C

LT3752HFE#WPBF

LT3752HFE#WTRPBF

LT3752FE

38-Lead Plastic TSSOP

–40°C to 150°C

LT3752EFE-1#WPBF

LT3752EFE-1#WTRPBF

LT3752FE-1

38-Lead Plastic TSSOP

–40°C to 125°C

LT3752IFE-1#WPBF

LT3752IFE-1#WTRPBF

LT3752FE-1

38-Lead Plastic TSSOP

–40°C to 125°C

LT3752HFE-1#WPBF

LT3752HFE-1#WTRPBF

LT3752FE-1

38-Lead Plastic TSSOP

–40°C to 150°C

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

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

**Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These

models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your

local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for

these models.

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