LT3028IFE データシートの表示（PDF） - Linear Technology
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LT3028IFE
Linear Technology
LT3028IFE Datasheet PDF : 16 Pages
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LT3028
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. (Note 2)
PARAMETER
Dropout Voltage
(Output 2)
VIN2 = VOUT2(NOMINAL)
(Notes 5, 6, 10)
Dropout Voltage
(Output 1)
VIN1 = VOUT1(NOMINAL)
(Notes 5, 6, 10)
GND Pin Current
(Output 2)
VIN2 = VOUT2(NOMINAL)
(Notes 5, 7)
GND Pin Current
(Output 1)
VIN1 = VOUT1(NOMINAL)
(Notes 5, 7)
Output Voltage Noise
ADJ1/ADJ2 Pin Bias Current
Shutdown Threshold
SHDN1/SHDN2 Pin Current
(Note 9)
Quiescent Current in Shutdown
Ripple Rejection
Current Limit
Input Reverse Leakage Current
CONDITIONS
ILOAD = 1mA
ILOAD = 1mA
ILOAD = 10mA
ILOAD = 10mA
ILOAD = 50mA
ILOAD = 50mA
ILOAD = 100mA
ILOAD = 100mA
ILOAD = 10mA
ILOAD = 10mA
ILOAD = 50mA
ILOAD = 50mA
ILOAD = 100mA
ILOAD = 100mA
ILOAD = 500mA
ILOAD = 500mA
ILOAD = 0mA
ILOAD = 1mA
ILOAD = 10mA
ILOAD = 50mA
ILOAD = 100mA
ILOAD = 0mA
ILOAD = 1mA
ILOAD = 50mA
ILOAD = 100mA
ILOAD = 250mA
ILOAD = 500mA
COUT = 10µF, CBYP = 0.01µF, ILOAD = Full Current,
BW = 10Hz to 100kHz
ADJ1, ADJ2 (Notes 3, 8)
VOUT = Off to On
VOUT = On to Off
VSHDN1, VSHDN2 = 0V
VSHDN1, VSHDN2 = 20V
VIN = 6V, VSHDN1 = 0V, VSHDN2 = 0V
VIN = 2.72V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz,
ILOAD = Full Current
Output 2, VIN2 = 7V, VOUT2 = 0V
VIN2 = 2.3V, ∆VOUT2 = – 0.1V
Output 1, VIN1 = 7V, VOUT1 = 0V
VIN1 = 2.3V, ∆VOUT1 = – 0.1V
VIN = – 20V, VOUT = 0V
MIN TYP MAX
0.10 0.15
●
0.19
0.17 0.22
●
0.29
0.24 0.31
●
0.40
0.30 0.35
●
0.45
0.12 0.19
●
0.25
0.17 0.22
●
0.32
0.21 0.28
●
0.34
0.32 0.37
●
0.47
●
25
50
●
60
95
●
230 400
●
1
2
●
2.2
4
●
30
75
●
65
120
●
1
1.6
●
2
3
●
5
8
●
10
16
20
30
100
●
0.80
1.4
● 0.25 0.65
●
0
0.5
●
1
3.0
0.01
0.1
55
65
500
● 110
1.3
● 520
●
1
UNITS
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
mA
mA
µA
µA
mA
mA
mA
mA
µVRMS
nA
V
V
µA
µA
µA
dB
mA
mA
A
mA
mA
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LT3028 regulator is tested and specified under pulse load
conditions such that TJ ≈ TA. The LT3028E 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 LT3028I is guaranteed and tested over the
full – 40°C to 125°C operating junction temperature range.
Note 3: The LT3028 is tested and specified for these conditions with the
ADJ1/ADJ2 pin connected to the corresponding OUT1/OUT2 pin.
3028f
3
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