LT3048 Series
4
3048fa
For more information www.linear.com/LT3048
PARAMETER CONDITIONS MIN TYP MAX UNITS
LDOOUT Voltage Noise
BW = 10Hz to 100kHz
C
OUT
= 1µF
LT3048: C
BYP
= 0nF, I
LOAD
= 40mA, LDOOUT = 1.235V
LT3048: C
BYP
= 1nF, I
LOAD
= 40mA, LDOOUT = 1.235V
38
25
µV
RMS
µV
RMS
LT3048-15: C
BYP
= 0nF, I
LOAD
= 24mA
LT3048-15: C
BYP
= 1nF, I
LOAD
= 24mA
250
60
µV
RMS
µV
RMS
LT3048-12: C
BYP
= 0nF, I
LOAD
= 31mA
LT3048-12: C
BYP
= 1nF, I
LOAD
= 31mA
225
60
µV
RMS
µV
RMS
LT3048-5: C
BYP
= 0nF, I
LOAD
= 40mA
LT3048:-5: C
BYP
= 1nF, I
LOAD
= 40mA
145
50
µV
RMS
µV
RMS
LT3048-3.3: C
BYP
= 0nF, I
LOAD
= 40mA
LT3048-3.3: C
BYP
= 1nF, I
LOAD
= 40mA
120
42
µV
RMS
µV
RMS
Ripple Rejection LT3048: f
RIPPLE
= 1.0MHz, I
LOAD
= 40mA
LT3048: f
RIPPLE
= 2.2MHz, I
LOAD
= 40mA
60
53
dB
dB
Current Limit
l
45 80 mA
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 3.6V, EN/UVLO = 3V, unless otherwise noted. Parameter applies
to all options unless specified.
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 LT3048E is guaranteed
to meet performance specifications
from 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
LT3048I is guaranteed over the full –40°C to 125°C operating junction
temperature range. High junction temperatures degrade operating
lifetimes. Operating lifetime is derated at junction temperatures greater
than 125°C.
Note 3:
Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at higher duty cycle.
