Datasheet

3
LT3020/LT3020-1.2/
LT3020-1.5/LT3020-1.8
3020fc
Minimum Input Voltage (Note 14) I
LOAD
= 100mA, T
J
> 0°C 0.9 1.05 V
I
LOAD
= 100mA, T
J
< 0°C 0.9 1.10 V
ADJ Pin Voltage (Notes 4, 5) V
IN
= 1.5V, I
LOAD
= 1mA 196 200 204 mV
1.15V < V
IN
< 10V, 1mA < I
LOAD
< 100mA ● 193 200 206 mV
Regulated Output Voltage LT3020-1.2 V
IN
= 1.5V, I
LOAD
= 1mA 1.176 1.200 1.224 V
(Note 4) 1.5V < V
IN
< 10V, 1mA < I
LOAD
< 100mA ● 1.157 1.200 1.236 V
LT3020-1.5 V
IN
= 1.8V, I
LOAD
= 1mA 1.470 1.500 1.530 V
1.8V < V
IN
< 10V, 1mA < I
LOAD
< 100mA ● 1.447 1.500 1.545 V
LT3020-1.8 V
IN
= 2.1V, I
LOAD
= 1mA 1.764 1.800 1.836 V
2.1V < V
IN
< 10V, 1mA < I
LOAD
< 100mA ● 1.737 1.800 1.854 V
Line Regulation (Note 6) ∆V
IN
= 1.15V to 10V, I
LOAD
= 1mA ● –1.75 0 1.75 mV
LT3020-1.2 ∆V
IN
= 1.5V to 10V, I
LOAD
= 1mA ● –10.5 0 10.5 mV
LT3020-1.5 ∆V
IN
= 1.8V to 10V, I
LOAD
= 1mA ● –13 0 13 mV
LT3020-1.8 ∆V
IN
= 2.1V to 10V, I
LOAD
= 1mA ● –15.8 0 15.8 mV
Load Regulation (Note 6) V
IN
= 1.15V, ∆I
LOAD
= 1mA to 100mA –1 0.4 1 mV
LT3020-1.2 V
IN
= 1.5V, ∆I
LOAD
= 1mA to 100mA –6 1 6 mV
LT3020-1.5 V
IN
= 1.8V, ∆I
LOAD
= 1mA to 100mA –7.5 1.5 7.5 mV
LT3020-1.8 V
IN
= 2.1V, ∆I
LOAD
= 1mA to 100mA –9 2 9 mV
Dropout Voltage (Notes 7, 12) I
LOAD
= 10mA 85 115 mV
I
LOAD
= 10mA ● 180 mV
I
LOAD
= 100mA 150 180 mV
I
LOAD
= 100mA ● 285 mV
GND Pin Current I
LOAD
= 0mA ● 120 250 µA
V
IN
= V
OUT(NOMINAL)
I
LOAD
= 1mA 570 µA
(Notes 8, 12) I
LOAD
= 10mA 920 µA
I
LOAD
= 100mA ● 2.25 3.5 mA
Output Voltage Noise C
OUT
= 2.2µF, I
LOAD
= 100mA, BW = 10Hz to 100kHz, V
OUT
= 1.2V 245 µV
RMS
ADJ Pin Bias Current V
ADJ
= 0.2V,
RIPPLE
= 1.2V (Notes 6, 9) 20 50 nA
Shutdown Threshold V
OUT
= Off to On ● 0.61 0.9 V
V
OUT
= On to Off ● 0.25 0.61 V
SHDN Pin Current (Note 10) V
SHDN
= 0V, V
IN
= 10V ● ±1 µA
V
SHDN
= 10V, V
IN
= 10V ● 3 9.5 µA
Quiescent Current in Shutdown V
IN
= 6V, V
SHDN
= 0V 3 9 µA
Ripple Rejection (Note 6) V
IN
– V
OUT
= 1V, V
RIPPLE
= 0.5V
P-P
, f
RIPPLE
= 120Hz, I
LOAD
= 100mA 64 dB
LT3020-1.2 V
IN
– V
OUT
= 1V, V
RIPPLE
= 0.5V
P-P
, f
RIPPLE
= 120Hz, 60 dB
I
LOAD
= 100mA
LT3020-1.5 V
IN
– V
OUT
= 1V, V
RIPPLE
= 0.5V
P-P
, f
RIPPLE
= 120Hz, 58 dB
I
LOAD
= 100mA
LT3020-1.8 V
IN
– V
OUT
= 1V, V
RIPPLE
= 0.5V
P-P
, f
RIPPLE
= 120Hz, 56 dB
I
LOAD
= 100mA
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T
J
= 25°C.
ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS