LT1761ES5-5(RevA) Просмотр технического описания (PDF) - Linear Technology
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LT1761ES5-5 Datasheet PDF : 16 Pages
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LT1761 Series
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. (Note 2)
PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
Load Regulation
Dropout Voltage
VIN = VOUT(NOMINAL)
(Notes 5, 6, 11)
GND Pin Current
VIN = VOUT(NOMINAL)
(Notes 5, 7)
Output Voltage Noise
ADJ Pin Bias Current
LT1761-3.3 VIN = 4.3V, ∆ILOAD = 1mA to 50mA
VIN = 4.3V, ∆ILOAD = 1mA to 50mA
q
VIN = 4.3V, ∆ILOAD = 1mA to 100mA
VIN = 4.3V, ∆ILOAD = 1mA to 100mA
q
LT1761-5
VIN = 6V, ∆ILOAD = 1mA to 50mA
VIN = 6V, ∆ILOAD = 1mA to 50mA
q
VIN = 6V, ∆ILOAD = 1mA to 100mA
VIN = 6V, ∆ILOAD = 1mA to 100mA
q
LT1761 (Note 3) VIN = 2.3V, ∆ILOAD = 1mA to 50mA
VIN = 2.3V, ∆ILOAD = 1mA to 50mA
q
VIN = 2.3V, ∆ILOAD = 1mA to 100mA
VIN = 2.3V, ∆ILOAD = 1mA to 100mA
q
ILOAD = 1mA
ILOAD = 1mA
q
ILOAD = 10mA
ILOAD = 10mA
q
ILOAD = 50mA
ILOAD = 50mA
q
ILOAD = 100mA
ILOAD = 100mA
q
ILOAD = 0mA
q
ILOAD = 1mA
q
ILOAD = 10mA
q
ILOAD = 50mA
q
ILOAD = 100mA
q
COUT = 10µF, CBYP = 0.01µF, ILOAD = 100mA, BW = 10Hz to 100kHz
(Notes 3, 8)
10
20
40
20
40
100
15
30
60
25
65
150
1
6
12
1
12
50
0.10 0.15
0.19
0.17 0.22
0.29
0.24 0.28
0.38
0.30 0.35
0.45
20
45
55
100
230 400
1
2
2.2
4
20
30
100
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
V
V
V
V
µA
µA
µA
mA
mA
µVRMS
nA
Shutdown Threshold
VOUT = Off to On
VOUT = On to Off
q
0.8
2
V
q 0.25 0.65
V
SHDN Pin Current
(Note 9)
VSHDN = 0V
VSHDN = 20V
q
0
0.5
µA
q
1
3
µA
Quiescent Current in Shutdown
VIN = 6V, VSHDN = 0V
0.01
0.1
µA
Ripple Rejection (Note 3)
VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz,
55
65
dB
ILOAD = 50mA
Current Limit
VIN = 7V, VOUT = 0V
VIN = VOUT(NOMINAL) + 1V, ∆VOUT = – 5%
200
mA
q 110
mA
Input Reverse Leakage Current
VIN = – 20V, VOUT = 0V
q
1
mA
Reverse Output Current
(Note 10)
LT1761-1.5 VOUT = 1.5V, VIN < 1.5V
LT1761-1.8 VOUT = 1.8V, VIN < 1.8V
LT1761-2
VOUT = 2V, VIN < 2V
LT1761-2.5 VOUT = 2.5V, VIN < 2.5V
LT1761-2.8 VOUT = 2.8V, VIN < 2.8V
LT1761-3
VOUT = 3V, VIN < 3V
LT1761-3.3 VOUT = 3.3V, VIN < 3.3V
LT1761-5
VOUT = 5V, VIN < 5V
LT1761 (Note 3) VOUT = 1.22V, VIN < 1.22V
10
20
µA
10
20
µA
10
20
µA
10
20
µA
10
20
µA
10
20
µA
10
20
µA
10
20
µA
5
10
µA
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LT1761 regulators are tested and specified under pulse load
conditions such that TJ ≈ TA. The LT1761 is 100% production tested at
TA = 25°C. Performance at – 40°C and 125°C is assured by design,
characterization and correlation with statistical process controls.
Note 3: The LT1761 (adjustable versions) are tested and specified for
these conditions with the ADJ pin connected to the OUT pin.
4
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