LTC3025-1 LINER [Linear Technology], LTC3025-1 Datasheet - Page 3
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LTC3025-1
Manufacturer Part Number
LTC3025-1
Description
500mA Micropower VLDO Linear Regulators
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC3025-1.pdf
(12 pages)
ELECTRICAL CHARACTERISTICS
PARAMETER
V
V
V
V
V
V
V
V
V
V
V
V
I
OUT Load Regulation (Referred to ADJ Pin) ΔI
OUT Load Regulation
V
V
V
V
V
V
V
V
I
I
e
temperature range, otherwise specifi cations are at T
(all capacitors ceramic) unless otherwise noted.
ADJ
OUT
OUT
n
ADJ
BIAS
BIAS
IN
IN
BIAS
BIAS
IN
BIAS
SENSE
SENSE
SENSE
IN
IN
BIAS
BIAS
IN
IN
IN
BIAS
Output Voltage Noise
Operating Current
Operating Current
Shutdown Current
Line Regulation (Referred to ADJ Pin)
Line Regulation
to V
to V
to V
ADJ Input Current
Continuous Output Current
Current Limit
Regulation Voltage (Note 5)
Operating Voltage (Note 4)
Undervoltage Lockout
Operating Current
Operating Current
Shutdown Current
Line Regulation
Line Regulation
to V
Regulation Voltage (Note 5)
Regulation Voltage (Note 5)
Regulation Voltage (Note 5)
OUT
OUT
OUT
OUT
Dropout Voltage (Notes 4, 6)
Dropout Voltage (Notes 4, 6)
Dropout Voltage (Notes 4, 6)
Dropout Voltage (Note 4)
CONDITIONS
LTC3025-1
LTC3025-2
LTC3025-3
LTC3025-4
I
I
I
I
V
V
1mA ≤ I
1mA ≤ I
1mA ≤ I
1mA ≤ I
1mA ≤ I
1mA ≤ I
1mA ≤ I
1mA ≤ I
V
ΔI
ΔI
ΔI
V
I
V
V
V
V
LTC3025-1
V
V
V
V
V
V
V
V
V
LTC3025-1
V
V
f = 10Hz to 100kHz, I
OUT
OUT
OUT
OUT
OUT
ADJ
ADJ
ADJ
SHDN
SHDN
IN
IN
IN
IN
IN
IN
IN
IN
BIAS
BIAS
SENSE
BIAS
SENSE
SENSE
OUT
OUT
OUT
OUT
= 1.5V to 5V, V
= 1.5V to 5V, V
= 1.8V to 5V, V
= 2.1V to 5V, V
= 1.5V, V
= 1.5V, V
= 1.8V, V
= 2.1V, V
= 10μA, V
= 0μA, LTC3025-2/LTC3025-3/LTC3025-4
= 10μA, V
= 0μA, LTC3025-2/LTC3025-3/LTC3025-4
= 1mA, LTC3025-1
= 0.45V, LTC3025-1
= 0.37V(LTC3025-1), V
= 0V(LTC3025-1),
= 2.8V, V
= 3.1V, V
= 3.4V, V
= 1mA to 500mA, LTC3025-1
= 1mA to 500mA, LTC3025-2
= 1mA to 500mA, LTC3025-3
= 1mA to 500mA, LTC3025-4
= 0V
= 0V
= 1.45V(LTC3025-3)
= 1.75V(LTC3025-4)
= 0V(LTC3025-2/LTC3025-3/LTC3025-4)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
≤ 500mA, V
≤ 500mA, V
≤ 500mA, 1.5V ≤ V
≤ 500mA, 1.5V ≤ V
≤ 500mA, 1.7V ≤ V
≤ 500mA, 1.7V ≤ V
≤ 500mA, 2.0V ≤ V
≤ 500mA, 2.0V ≤ V
BIAS
BIAS
BIAS
BIAS
OUT
OUT
IN
IN
IN
A
= 25°C. V
= 2.7V to 5V, V
= 2.7V to 5V, I
= 3.0V to 5V, I
= 3.3V to 5V, I
= 1.5V, I
= 1.7V, I
= 2.0V, I
BIAS
BIAS
BIAS
BIAS
= 1.2V, LTC3025-1
= 1.2V, LTC3025-1
OUT
The
= 3.6V, V
= 3.6V, I
= 3.6V, I
= 3.6V, I
OUT
OUT
OUT
OUT
OUT
= 300mA
l
IN
= 1.2V, 1.5V ≤ V
= 1.2V, 1.5V ≤ V
SENSE
= 500mA,
= 500mA,
= 500mA,
denotes the specifi cations which apply over the full operating
= 1.5V, V
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
OUT
OUT
≤ 5V, LTC3025-2
≤ 5V, LTC3025-2
≤ 5V, LTC3025-3
≤ 5V, LTC3025-3
≤ 5V, LTC3025-4
≤ 5V, LTC3025-4
= 1.15V(LTC3025-2)
= 1mA, LTC3025-2
= 1mA, LTC3025-3
= 1mA, LTC3025-4
= 1mA, LTC3025-2
= 1mA, LTC3025-3
= 1mA, LTC3025-4
= 1.2V,
= 1.2V, I
BIAS
IN
IN
OUT
= 3.6V, C
≤ 5V, LTC3025-1
≤ 5V, LTC3025-1
= 1mA,
LTC3025-1/LTC3025-2/
LTC3025-3/LTC3025-4
OUT
= 1μF , C
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
IN
0.395
0.392
1.185
1.176
1.481
1.470
1.777
1.764
= 0.1μF , C
MIN
–50
500
2.5
2.7
3.0
3.3
–0.35
1130
0.01
–1.3
–1.5
0.07
0.21
0.26
0.32
TYP
2.2
0.4
0.4
1.2
1.2
1.5
1.5
1.8
1.8
4.5
4.5
4.5
4.5
BIAS
50
50
–1
85
90
90
80
4
4
1
0
= 0.1μF
0.405
0.408
1.215
1.224
1.519
1.530
1.823
1.836
MAX
16.5
16.5
16.5
16.5
120
170
130
185
130
185
5.5
5.5
5.5
5.5
2.5
1.5
10
10
80
80
50
5
1
30251234fc
UNITS
μV
3
RMS
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
μA
μA
μA
μA
μA
μA
nA
V
V
V
V
V
V
V
V
V
V
V
V
V
V