LT3752EFE, LT3752EFE-1 .................. –40°C to 125°C
LT3752IFE, LT3752IFE-1 .................... –40°C to 125°C
LT3752HFE, LT3752HFE-1 ................. –40°C to 150°C
LT3752MPFE, LT3752MPFE-1 ............ –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 Sec) .................. 300°C
OVLO 10
T
AO
11
T
AS
12
T
OS
13
T
BLNK
14
NC 15
NC 16
SS2 17
GND 18
PGND 19
FE PACKAGE
VARIATION: FE38(31)
38-LEAD PLASTIC TSSOP
θ
JA
= 25°C/W
EXPOSED PAD (PIN 39) IS PGND AND GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3752EFE#PBF
LT3752IFE#PBF
LT3752HFE#PBF
LT3752MPFE#PBF
LT3752EFE-1#PBF
LT3752IFE-1#PBF
LT3752HFE-1#PBF
LT3752MPFE-1#PBF
TAPE AND REEL
LT3752EFE#TRPBF
LT3752IFE#TRPBF
LT3752HFE#TRPBF
LT3752MPFE#TRPBF
LT3752EFE-1#TRPBF
LT3752IFE-1#TRPBF
LT3752HFE-1#TRPBF
LT3752MPFE-1#TRPBF
PART MARKING*
LT3752FE
LT3752FE
LT3752FE
LT3752FE
LT3752FE-1
LT3752FE-1
LT3752FE-1
LT3752FE-1
PACKAGE DESCRIPTION
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°C
Rev. C
For more information
www.analog.com
3
LT3752/LT3752-1
ORDER INFORMATION
LEAD FREE FINISH
AUTOMOTIVE PRODUCTS**
LT3752EFE#WPBF
LT3752IFE#WPBF
LT3752HFE#WPBF
LT3752EFE-1#WPBF
LT3752IFE-1#WPBF
LT3752HFE-1#WPBF
LT3752EFE#WTRPBF
LT3752IFE#WTRPBF
LT3752HFE#WTRPBF
LT3752EFE-1#WTRPBF
LT3752IFE-1#WTRPBF
LT3752HFE-1#WTRPBF
LT3752FE
LT3752FE
LT3752FE
LT3752FE-1
LT3752FE-1
LT3752FE-1
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
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.
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, UVLO_V
SEC
= 2.5V.
PARAMETER
Operational Input Voltage (LT3752)
Operational Input Voltage (LT3752-1)
V
IN(ON)
(LT3752)
V
IN(OFF)
(LT3752)
V
IN(ON/OFF)
Hysteresis (LT3752)
V
IN(ON)
(LT3752-1)
V
IN(OFF)
(LT3752-1)
V
IN(ON/OFF)
Hysteresis (LT3752-1)
V
IN
Start-Up Current (LT3752-1)
V
IN
Quiescent Current (Housekeeping Controller
Only) (LT3752)
V
IN
Quiescent Current (Housekeeping Controller
Only) (LT3752-1)
V
IN
Quiescent Current (Housekeeping Controller +
Forward Controller)
UVLO_V
SEC
Micropower Threshold (V
SD
)
V
IN
Shutdown Current (Micropower)
UVLO_V
SEC
Threshold (V
SYS_UV
)
V
IN
Shutdown Current (After Soft-Stop)
UVLO_V
SEC
(ON) Current
UVLO_V
SEC
(OFF) Current
Hysteresis Current
With One-Shot Communication Current
OVLO (Rising) (No Switching, Reset SS1)
OVLO (Falling) (Restart SS1)
UVLO_V
SEC
= 1V
UVLO_V
SEC
= V
SYS_UV
+ 50mV
UVLO_V
SEC
= V
SYS_UV
– 50mV
l
l
l
l
ELECTRICAL CHARACTERISTICS
CONDITIONS
l
l
l
MIN
6.5
10.5
TYP
MAX
100
16
UNITS
V
V
V
V
V
V
V
V
µA
mA
mA
mA
V
µA
V
µA
µA
5.8
5.5
0.1
0.3
9.5
7.6
1.61
1.9
170
4
3
7.5
6.4
5.9
0.5
10.4
2.19
265
6.2
4.6
9.5
0.6
40
1.320
220
(Notes 6, 7)
HCOMP = 1V (Housekeeping Not Switching),
HFB = 0.85V
HCOMP = 1V (Housekeeping Not Switching),
HFB = 0.85V
HCOMP = 1V (Housekeeping Not Switching),
HFB = 1.35V, FB = 1.5V (Main Loop Not Switching)
I
VIN
< 20µA
UVLO_V
SEC
= 0.2V
l
l
l
l
0.2
1.180
0.4
20
1.250
165
0
l
(Note 15)
l
4.0
1.220
5
25
1.250
1.215
6.0
1.280
µA
µA
V
V
Rev. C
4
For more information
www.analog.com
LT3752/LT3752-1
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
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