Linear Technology LTM8028EY Demo Board, µModule Regulator with Low Noise LDO Post-Regulator, 6V ≤ VIN ≤ 36V, VOUT = 0.8V to 1.8V @ 5A Line DC1738A Data Sheet
Product codes
DC1738A
LTM8028
3
8028fa
For more information
www.linear.com/LTM8028
elecTrical characTerisTics
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 LTM8028E is guaranteed to meet performance specifications
Note 2: The LTM8028E 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 LTM8028I is guaranteed to meet specifications over the full –40°C
to 125°C internal operating temperature range. The LTM8028MP is
The
l
denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, RUN = 3V unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Quiescent Current Into V
IN
RUN = 0V
No load
1
35
µA
mA
Line Regulation
6V < V
IN
< 36V, I
OUT
= 10mA
l
1
mV
Load Regulation
0.01A < I
OUT
< 5A, V
OUT
= 0.8V, BKV = 1.05V, RUN = 0V
l
–1.5
–3
–5.5
mV
mV
0.01A < I
OUT
< 5A, V
OUT
= 1.0V, BKV = 1.25V, RUN = 0V
l
–2
–4
–7.5
mV
mV
0.01A < I
OUT
< 5A, V
OUT
= 1.2V, BKV = 1.45V, RUN = 0V
l
–2
–4
–7.5
mV
mV
0.01A < I
OUT
< 5A, V
OUT
= 1.5V, BKV = 1.75V, RUN = 0V
l
–2.5
–5
–9
mV
mV
0.01A < I
OUT
< 5A, V
OUT
= 1.8V, BKV = 2.05V, RUN = 0V
l
–3
–7
–13
mV
mV
Sense Pin Current
V
OUT
= 0.8V
V
OUT
= 1.8V
50
300
µA
µA
Switching Frequency
R
T
= 40.2k
R
T
= 200k
1000
200
kHz
kHz
RUN Pin Current
RUN = 1.45V
5.5
µA
RUN Threshold Voltage (Falling)
l
1.49
1.55
1.61
V
RUN Input Hysteresis
130
mV
I
MAX
Pin Current
I
MAX
= 0.75V
125
µA
I
MAX
Current Limit Accuracy
I
MAX
= 1.5V
I
MAX
= 0.75V
5.0
2.20
6.1
3.6
A
A
SS Pin Current
11
µA
SYNC Input Threshold
f
SYNC
= 500kHz
0.8
1.2
V
SYNC Bias Current
SYNC = 0V
1
µA
V
OB
Voltage
3.3
V
V
Ox
Input Low Threshold
V
OB
= 3.3V
l
0.25
V
V
Ox
Input High Threshold
V
OB
= 3.3V
l
3.05
V
V
Ox
Input Z Range
V
OB
= 3.3V
l
0.75
2.4
V
V
Ox
Input Current High
40
µA
V
Ox
Input Current Low
40
µA
MARGA Pin Current
MARGA = 0V
3.5
μA
PGOOD Threshold
V
OUT(NOMINAL)
= 1.0V, V
OUT
Rising
V
OUT(NOMINAL)
= 1.0V, V
OUT
Falling
0.9
0.85
V
V
Output Voltage Noise (Note 3)
V
OUT
= 1.8V, C
OUT
= 137µF, 5A Load, BW = 10Hz to 100kHz
40
µV
RMS
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.
Note 3: Guaranteed by design, characterization and correlation with
Note 3: Guaranteed by design, characterization and correlation with
statistical process controls.
Note 4: Unless otherwise stated, the absolute minimum voltage is zero.
Note 4: Unless otherwise stated, the absolute minimum voltage is zero.