LT3070 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
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Fabricante
LT3070 Datasheet PDF : 24 Pages
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LT3070
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. COUT = 15μF (Note 9), VIN = VOUT + 0.3V (Note 5), VBIAS = 2.5V unless
otherwise noted.
PARAMETER
BIAS Pin Current in Nap Mode
BIAS Pin Current, VIN = 1.3V, VOUT = 1V
Current Limit (Note 5)
Reverse Output Current (Note 8)
PWRGD VOUT Threshold
PWRGD VOL
VBIAS Undervoltage Lockout
VIN-VOUT Servo Voltage by VIOC
VIOC Output Current
VIL Input Threshold (Logic-0 State),
VO2, VO1, VO0, MARGSEL, MARGTOL
VIZ Input Range (Logic-Z State),
VO2, VO1, VO0, MARGSEL, MARGTOL
VIH Input Threshold (Logic-1 State),
VO2, VO1, VO0, MARGSEL, MARGTOL
Input Hysteresis (Both Thresholds),
VO2, VO1, VO0, MARGSEL, MARGTOL
Input Current High,
VO2, VO1, VO0, MARGSEL, MARGTOL
Input Current Low,
VO2, VO1, VO0, MARGSEL, MARGTOL
EN Pin Threshold
EN Pin Logic High Current
EN Pin Logic Low Current
CONDITIONS
EN = Low (After POR Completed)
IOUT = 10mA
IOUT = 100mA
IOUT = 500mA
IOUT = 1A
IOUT = 2.5A
IOUT = 5A
VIN – VOUT < 0.5V
VIN – VOUT = 0.6V
VIN – VOUT = 1.0V
VIN – VOUT = 1.5V
VIN = 0V, VOUT = 3V
Percentage of VOUT(NOMINAL), VOUT Rising
Percentage of VOUT(NOMINAL), VOUT Falling
IPWRGD = 200μA (Fault Condition)
EN = 3.3V, VBIAS Rising
EN = 3.3V, VBIAS Falling
VIN = VOUT(NOMINAL) + 150mV, Sourcing
VIN = VOUT(NOMINAL) + 450mV, Sinking
Input Falling
Input Rising
VIH = VBIAS = 2.5V, Current Flows Into Pin
VIL = 0V, VBIAS = 2.5V, Current Flows Out of Pin
VOUT = Off to On
VOUT = On to Off
VEN = VBIAS = 2.5V
VEN = 0V
MIN
l 300
l 1.20
l 2.05
l 2.75
l 3.40
l 4.85
l 5.20
l 5.2
l 4.8
l 3.4
l 1.0
l 87.5
l 83.5
l
l 1.11
l 0.96
l 250
l 175
l 175
l 0.22
l 0.75
l
l 40
l
l
l
l 0.94
l 3.8
l
TYP
MAX
UNITS
420
650
μA
1.80
2.40
mA
2.60
3.70
mA
3.70
5.45
mA
4.60
6.80
mA
6.40
9.40
mA
7.25 11.45
mA
6
A
5.2
A
4.4
A
1.8
A
200
400
μA
90
92.5
%
86
88.5
%
100
mV
1.50
2.03
V
1.30
1.62
V
300
350
mV
256
335
μA
256
335
μA
0.42
V
1.76
V
2.00
2.25
V
52
70
mV
27
43
μA
26
38
μA
1.35
V
V
5.0
7.1
μA
0.1
μA
3070p
4
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