LT1764EQ-1.8(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1764EQ-1.8 Datasheet PDF : 16 Pages
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LT1764 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
Line Regulation
LT1764-1.5
∆VIN = 2.21V to 20V, ILOAD = 1mA
LT1764-1.8
∆VIN = 2.3V to 20V, ILOAD = 1mA
LT1764-2.5
∆VIN = 3V to 20V, ILOAD = 1mA
LT1764-3.3
∆VIN = 3.8V to 20V, ILOAD = 1mA
LT1764 (Note 3) ∆VIN = 2.21V to 20V, ILOAD = 1mA
q
2.5
q
3
q
4
q
4.5
q
2
Load Regulation
LT1764-1.5
VIN = 2.7V, ∆ILOAD = 1mA to 3A
3
VIN = 2.7V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C
VIN = 2.7V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C
LT1764-1.8
VIN = 2.8V, ∆ILOAD = 1mA to 3A
4
VIN = 2.8V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C
VIN = 2.8V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C
LT1764-2.5
VIN = 3.5V, ∆ILOAD = 1mA to 3A
4
VIN = 3.5V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C
VIN = 3.5V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C
LT1764-3.3
VIN = 4.3V, ∆ILOAD = 1mA to 3A
4
VIN = 4.3V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C
VIN = 4.3V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C
LT1764 (Note 3) VIN = 2.7V, ∆ILOAD = 1mA to 3A
2
VIN = 2.7V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C
VIN = 2.7V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C
Dropout Voltage
VIN = VOUT(NOMINAL)
ILOAD = 1mA
ILOAD = 1mA
0.02
q
(Notes 5, 6, 11)
ILOAD = 100mA
ILOAD = 100mA
0.07
q
ILOAD = 500mA
ILOAD = 500mA
0.14
q
ILOAD = 1.5A
ILOAD = 1.5A
0.25
q
ILOAD = 2.7A, 110°C < TJ ≤ 125°C
ILOAD = 3A
0.34
ILOAD = 3A, – 40°C ≤ TJ ≤ 110°C
GND Pin Current
VIN = VOUT(NOMINAL) + 1V
(Notes 5, 7)
ILOAD = 0mA
ILOAD = 1mA
ILOAD = 100mA
ILOAD = 500mA
ILOAD = 1.5A
ILOAD = 2.7A, 110°C < TJ ≤ 125°C
ILOAD = 3A, – 40°C ≤ TJ ≤ 110°C
q
1
q
1.1
q
3.5
q
11
q
40
120
120
Output Voltage Noise
COUT = 10µF, ILOAD = 3A, BW = 10Hz to 100kHz
40
ADJ Pin Bias Current
(Notes 3, 8)
3
Shutdown Threshold
SHDN Pin Current
(Note 9)
Quiescent Current in Shutdown
Ripple Rejection
VOUT = Off to On
VOUT = On to Off
VSHDN = 0V
VSHDN = 20V
VIN = 6V, VSHDN = 0V
VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P,
fRIPPLE = 120Hz, ILOAD = 1.5A
q
0.9
q 0.25 0.75
0.01
7
0.01
55
63
10
mV
10
mV
10
mV
10
mV
10
mV
7
mV
23
mV
23
mV
8
mV
25
mV
25
mV
10
mV
30
mV
30
mV
12
mV
40
mV
40
mV
5
mV
20
mV
20
mV
0.05
V
0.10
V
0.13
V
0.18
V
0.20
V
0.27
V
0.33
V
0.40
V
0.66
V
0.45
V
0.66
V
1.5
mA
1.6
mA
5
mA
18
mA
75
mA
200
mA
200
mA
µVRMS
10
µA
2
V
V
1
µA
30
µA
1
µA
dB
1764fa
3
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