LTM8001 Datasheet, PDF (3/28 Pages) Linear Technology – de36VIN, 5A μModule Regulator with 5-Output Configurable LDO Array

LTM8001
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. RUN = 3V unless otherwise noted (Note 3).
PARAMETER
Buck Regulator
Minimum V_IN0 Input Voltage
V_OUT0 Output DC Voltage
V_OUT0 Output DC Current
Quiescent Current Into V_IN0
V_OUT0 Line Regulation
V_OUT0 Load Regulation
V_OUT0 RMS Voltage Ripple
Switching Frequency
Voltage at FB0 Pin
Internal FBO Resistor
RUN Pin Current
RUN Threshold Voltage (Falling)
RUN Threshold Voltage (Rising)
ILIM Control Range
ILIM Pin Current
ILIM Current Limit Accuracy
V_REF Voltage
SS Pin Current
SYNC Input Low Threshold
SYNC Input High Threshold
SYNC Input Current
LDO Array
SET1-5 Pin Current
CONDITIONS
0A < I_OUT ≤ 3A, R_FB0 Open
0A < I_OUT ≤ 3A; R_FB0 = 536Ω
6V < V_IN0 < 36V, V_OUT = 3.3V
RUN = 0V
No Load
6V < V_IN0 < 36V, I_OUT = 4.5A
V_IN0 = 24V, 0A < I_OUT < 4.5A
V_IN0 = 24V, I_OUT = 4.5A
R_T = 39.2k
R_T = 200k
RUN = 1.45V
ILIM = 1.5V
ILIM = 0.75V
0.5mA Load
f_SYNC = 500kHz
f_SYNC = 500kHz
SYNC = 0V
SYNC = 2V
BIAS123 = BIAS45 = 2V, SETx = 0V, I_OUT1-5 = 1mA
V_OUTx – SETx Offset Voltage
BIAS123 = BIAS45 = 2V, SETx = 0V, I_OUT1-5 = 1mA
Line Regulation for SET Current
Line Regulation for V_OUT1-5
Load Regulation for SETx Current
Load Regulation for V_OUT1-5
1V < V_OUT0 = V_IN45 < 22V, I_OUTx = 1mA (Note 4)
1V < V_OUT0 = V_IN45 < 22V, I_OUTx = 1mA (Note 4)
I_OUT1-5 = 1mA to 1.1A
I_OUT1-5 = 1mA to 1.1A
Minimum Load Current for V_OUT1-5 (Note 4)
BIAS123, BIAS45 Dropout Voltage
V_OUT0 to V_OUT1-3 and V_IN45 to V_OUT4-5 Dropout
Voltage
V_OUT0 = V_IN45 = BIAS123 = BIAS45 = 10V
V_OUT0 = V_IN45 = BIAS123 = BIAS45 = 22V
I_OUT1-5 = 100mA
I_OUT1-5 = 1.1A
I_OUT1-5 = 100mA
I_OUT1-5 = 1.1A
MIN
l
0
l 1.15
1.49
1.63
0
5.1
2.5
1.9
0.8
–0.1
9.85
l 9.80
–4
l –6.5
l
l
l
l
l
l
TYP
MAX
6
1.2
24
5
0.1
1
26
40
±0.5
±1.2
10
1000
200
1.19
1.21
10
5.5
1.61
1.75
1.5
100
6.4
3.4
2
2.1
11
1.2
0.1
10
10.15
10
10.20
4
6
11
0.25
1
34
52
500
1
1.2
1.6
100
500
UNITS
V
V
V
A
µA
mA
%
%
mV
kHz
kHz
V
kΩ
µA
V
V
V
nA
A
A
V
µA
V
V
µA
µA
µA
µA
mV
mV
nA
mV
nA
mV
mV
µA
mA
V
V
mV
mV
8001f
For more information www.linear.com/8001
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