LT3021 LINER [Linear Technology], LT3021 Datasheet - Page 3

• Manufacturer Part Number: LT3021
• Description: 500mA, Low Voltage, Very Low Dropout Linear Regulator
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
The
PARAMETER
Minimum Input Voltage
(Notes 5,14)
ADJ Pin Voltage (Notes 4, 5)
Regulated Output Voltage
(Note 4)
Line Regulation (Note 6)
Load Regulation (Note 6)
Dropout Voltage (Notes 7, 12)
GND Pin Current
V
(Notes 8, 12)
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
SHDN Pin Current (Note 10)
Quiescent Current in Shutdown
Ripple Rejection (Note 6)
IN
= V
●
OUT(NOMINAL)
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
+ 0.4V
CONDITIONS
I
I
V
1.15V < V
LT3021-1.2
LT3021-1.5
LT3021-1.8
LT3021
LT3021-1.2
LT3021-1.5
LT3021-1.8
LT3021
LT3021-1.2
LT3021-1.5
LT3021-1.8
I
I
I
I
I
I
I
I
C
V
V
V
V
V
V
LT3021
LT3021-1.2
LT3021-1.5
LT3021-1.8
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
IN
OUT
ADJ
OUT
OUT
SHDN
SHDN
IN
= 1.5V, I
= 6V, V
= 4.7µF, I
= 0.2V, V
= Off to On
= On to Off
= 500mA, T
= 500mA, T
= 10mA
= 10mA
= 500mA
= 500mA
= 0mA
= 10mA
= 100mA
= 500mA
= 0V, V
= 10V, V
IN
SHDN
LOAD
< 10V, 1mA < I
IN
IN
LOAD
IN
= 0V
= 10V
= 1.2V (Notes 6, 9)
= 1mA
J
J
= 10V
V
1.5V < V
V
1.8V < V
V
2.1V < V
∆V
∆V
∆V
∆V
V
V
V
V
V
I
V
I
V
I
V
I
> 0°C
< 0°C
LOAD
LOAD
LOAD
LOAD
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 500mA, BW = 10Hz to 100kHz, V
IN
IN
IN
IN
= 1.5V, I
= 1.8V, I
= 2.1V, I
= 1.15V, ∆I
= 1.5V, ∆I
= 1.8V, ∆I
= 2.1V, ∆I
– V
– V
– V
– V
= 1.15V to 10V, I
= 1.5V to 10V, I
= 1.8V to 10V, I
= 2.1V to 10V, I
= 500mA
= 500mA
= 500mA
= 500mA
OUT
OUT
OUT
OUT
IN
IN
IN
LOAD
< 10V, 1mA < I
< 10V, 1mA < I
< 10V, 1mA < I
= 1V, V
= 1V, V
= 1V, V
= 1V, V
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
< 500mA
LOAD
= 1mA
= 1mA
= 1mA
RIP
RIPPLE
RIPPLE
RIPPLE
= 1mA to 500mA
= 1mA to 500mA
= 1mA to 500mA
= 1mA to 500mA
LOAD
LOAD
LOAD
= 0.5V
LOAD
= 0.5V
= 0.5V
= 0.5V
LOAD
LOAD
LOAD
= 1mA
= 1mA
= 1mA
= 1mA
P-P
< 500mA
< 500mA
< 500mA
, f
P-P
P-P
P-P
RIPPLE
, f
, f
, f
RIPPLE
RIPPLE
RIPPLE
OUT
= 120Hz,
= 1.2V
= 120Hz,
= 120Hz,
= 120Hz,
LT3021-1.5/LT3021-1.8
LT3021/LT3021-1.2/
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
1.176
1.157
1.470
1.447
1.764
1.737
–1.75
–10.5
–15.8
–7.5
0.25
MIN
196
193
–13
–2
–6
–9
1.200
1.200
1.500
1.500
1.800
1.800
2.25
6.20
0.61
0.61
TYP
200
200
155
110
920
300
0.9
0.9
0.4
1.5
45
20
70
60
58
56
0
0
0
0
1
2
3
3
J
= 25°C.
1.224
1.236
1.530
1.545
1.836
1.854
+1.75
MAX
1.05
1.10
10.5
15.8
204
206
110
190
285
250
7.5
0.9
13
75
10
50
±1
9.5
2
6
9
9
UNITS
µV
3021fa
3
RMS
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
µA
µA
nA
µA
µA
µA
dB
dB
dB
dB
V
V
V
V
V
V
V
V
V
V