LTM8025 Datasheet, PDF (3/20 Pages) Linear Technology – 36V, 3A Step-Down μModule Converter

LTM8025
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 = 12V, RUN/SS = 12V, BIAS = 3V unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage Ripple (RMS)
Switching Frequency
Voltage (at ADJ Pin)
0A < I_OUT < 3A
R_T = 45.3k
10
mV
775
kHz
775
790
805
mV
l 770
810
mV
Current Out of ADJ Pin
Minimum BIAS Voltage for Proper Operation
ADJ = 0V, V_OUT = 1V
2
μA
2
2.8
V
RUN/SS Pin Current
RUN/SS = 2.5V
5
10
μA
RUN Input High Voltage
2.5
V
RUN Input Low Voltage
0.2
V
PGOOD Threshold (at ADJ Pin)
PGOOD Leakage Current
V_OUT Rising
PGOOD = 30V
710
mV
0.1
1
μA
PGOOD Sink Current
PGOOD = 0.4V
200
700
μA
SYNC Input Low Threshold
SYNC Input High Threshold
SYNC Bias Current
f_SYNC = 550kHz
f_SYNC = 550kHz
SYNC = 0V
0.5
V
0.7
V
0.1
μA
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 LTM8025E is guaranteed to meet performance specifications
from 0°C to 125°C internal. Specifications over the full –40°C to
125°C internal operating temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTM8025I is guaranteed to meet specifications over the full –40°C
to 125°C internal operating temperature range. The LTM8025MP is
guaranteed to meet specifications over the full –55°C to 125°C internal
operating temperature range. Note that the maximum internal temperature
is determined by specific operating conditions in conjunction with board
layout, the rated package thermal resistance and other environmental
factors.
8025f
3