LT3757HMSE#PBF Linear Technology, LT3757HMSE#PBF Datasheet - Page 4

• Manufacturer Part Number: LT3757HMSE#PBF
• Description: IC DC-DC CTRLR ADJ 10MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Inverting, Flyback, Sepicr

Specifications of LT3757HMSE#PBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Frequency - Switching: 100kHz ~ 1MHz
• Voltage - Input: 2.9 ~ 40 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP Exposed Pad, 10-HMSOP, 10-eMSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -

elecTrical characTerisTics
LT3757
PARAMETER
INTV
INTV
Logic Inputs
SHDN/UVLO Threshold Voltage Falling
SHDN/UVLO Input Low Voltage
SHDN/UVLO Pin Bias Current Low
SHDN/UVLO Pin Bias Current High
Gate Driver
t
t
Gate V
Gate V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3757E is guaranteed to meet performance specifications
from the 0°C to 125°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT3757I is guaranteed over the full –40°C to 125°C operating junction
temperature range. The LT3757H is guaranteed over the full –40°C to 150°C
operating junction temperature range. High junction temperatures degrade
operating lifetimes. Operating lifetime is derated at junction temperatures
greater than 125°C. The LT3757MP is 100% tested and guaranteed over the
full –55°C to 125°C operating junction temperature range.
Typical perForMance characTerisTics
erature range, otherwise specifications are at T

r
f
Gate Driver Output Rise Time
Gate Driver Output Fall Time
1605
1600
1595
1590
1585
1580
CC
CC
OL
OH
Current in Shutdown
Voltage to Bypass Internal LDO
–75 –50
Positive Feedback Voltage
vs Temperature, V
V
–25
IN
= 8V
V
TEMPERATURE (°C)
IN
0
= 24V
25
V
SHDN/UVLO = 1.33V
V
IN
IN
50
IN
= INTV
= 40V
75
CC
100
= 2.9V
125
3757 G01
150
A
CONDITIONS
SHDN/UVLO = 0V, INTV
V
I(V
SHDN/UVLO = 1.15V
SHDN/UVLO = 1.30V
C
C
–788
–790
–792
–794
–796
–798
–800
–802
–804
IN
L
L
= 25°C. V
= 3300pF (Note 5), INTV
= 3300pF (Note 5), INTV
IN
= INTV
) Drops Below 1µA
–75 –50
Negative Feedback Voltage
vs Temperature, V
V
IN
V
SHDN/UVLO = 1.33V
CC
IN
= 24V
IN
= 8V
The
= INTV
–25
= 24V, SHDN/UVLO = 24V, SENSE = 0V, unless otherwise noted.
TEMPERATURE (°C)
l
CC
0
denotes the specifications which apply over the full operating temp-
= 2.9V
25
CC
V
Note 3: The LT3757 is tested in a feedback loop which servos V
reference voltages (1.6V and –0.8V) with the VC pin forced to 1.3V.
Note 4: FBX overvoltage lockout is measured at V
to regulated V
Note 5: Rise and fall times are measured at 10% and 90% levels.
Note 6: For V
Note 7: SHDN/UVLO = 1.33V when V
Note 8: The LT3757 includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed the maximum operating junction temperature
when overtemperature protection is active. Continuous operation above
the specified maximum operating junction temperature may impair device
reliability.
= 8V
IN
IN
50
CC
CC
= 8V
= 7.5V
= 7.5V
75
V
100
IN
= 40V
IN
FBX(REG)
125
T
below 6V, the SHDN/UVLO pin must not exceed V
3757 G02
A
= 25°C, unless otherwise noted.
150
.
l
1.8
1.7
1.6
1.5
1.4
–75 –50
Quiescent Current
vs Temperature, V
INTV
–0.05
MIN
1.17
1.7
IN
= 2.9V.
CC
–25
V
TEMPERATURE (°C)
IN
0
1.22
= 40V
TYP
16
10
22
20
2
FBX(OVERVOLTAGE)
25
V
IN
50
IN
= INTV
MAX
1.27
0.05
100
7.5
0.4
2.5
75
V
CC
IN
100
FBX
= 2.9V
= 24V
IN
relative
to the
125
.
3757 G03
UNITS
3757fb
150
µA
µA
nA
ns
ns
V
V
V
V
V