Datasheet

LT3011
3
3011f
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage I
LOAD
= 50mA
l
2.8 4 V
ADJ Pin Voltage (Notes 2, 3) V
IN
= 3V, I
LOAD
= 1mA
4V < V
IN
< 80V, 1mA < I
LOAD
< 50mA
l
1.228
1.215
1.24
1.24
1.252
1.265
V
V
Line Regulation (Note 2)
ΔV
IN
= 3V to 80V, I
LOAD
= 1mA
l
112 mV
Load Regulation (Note 2)
V
IN
= 4V, ΔI
LOAD
= 1mA to 50mA
V
IN
= 4V, ΔI
LOAD
= 1mA to 50mA
l
615
25
mV
mV
Dropout Voltage
V
IN
= V
OUT(NOMINAL)
(Notes 4, 5)
I
LOAD
= 1mA
I
LOAD
= 1mA
l
100 150
190
mV
mV
I
LOAD
= 10mA
I
LOAD
= 10mA
l
200 260
350
mV
mV
I
LOAD
= 50mA
I
LOAD
= 50mA
l
300 370
550
mV
mV
GND Pin Current
V
IN
= V
OUT(NOMINAL)
(Notes 4, 6)
I
LOAD
= 0mA
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 50mA
l
l
l
l
46
105
410
1.9
90
200
700
3.3
μA
μA
μA
mA
Output Voltage Noise C
OUT
= 10μF, I
LOAD
= 50mA, BW = 10Hz to 100kHz, V
OUT
= 1.24V 100 μV
RMS
ADJ Pin Bias Current (Note 7 ) 30 100 nA
Shutdown Threshold V
OUT
= Off to On
V
OUT
= On to Off
l
l
0.3
1.3
1.1
2V
V
SHDN Pin Current (Note 8) V
SHDN
= 0V
V
SHDN
= 6V
0.5
0.1
2
0.5
μA
μA
Quiescent Current in Shutdown V
IN
= 6V, V
SHDN
= 0V 1 5 μA
PWRGD Trip Point % of Nominal Output Voltage, Output Rising
l
85 90 94 %
PWRGD Trip Point Hysteresis % of Nominal Output Voltage 1.1 %
PWRGD Output Low Voltage I
PWRGD
= 50μA
l
140 250 mV
C
T
Pin Charging Current
l
36 μA
C
T
Pin Voltage Differential V
CT(PWRGD High)
– V
CT(PWRGD Low)
1.67 V
Ripple Rejection V
IN
= 7V (Avg), V
RIPPLE
= 0.5V
P-P
, f
RIPPLE
= 120Hz, I
LOAD
= 50mA 65 85 dB
Current Limit V
IN
= 7V, V
OUT
= 0V
V
IN
= 4V, ΔV
OUT
= –0.1V (Note 2)
l
60
140 mA
mA
Input Reverse Leakage Current V
IN
= –80V, V
OUT
= 0V
l
6mA
Reverse Output Current (Note 9) V
OUT
= 1.24V, V
IN
< 1.24V (Note 2) 8 15 μA
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the –40°C to 125°C operating temperature range, otherwise specifi cations are T
J
= 25°C.
(LT3011E, LT3011I)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage I
LOAD
= 50mA
l
2.8 4 V
ADJ Pin Voltage (Notes 2, 3) V
IN
= 3V, I
LOAD
= 1mA
4V < V
IN
< 80V, 1mA < I
LOAD
< 50mA
l
1.228
1.215
1.24
1.24
1.252
1.265
V
V
Line Regulation (Note 2)
ΔV
IN
= 3V to 80V, I
LOAD
= 1mA
l
112 mV
Load Regulation (Note 2)
V
IN
= 4V, ΔI
LOAD
= 1mA to 50mA
V
IN
= 4V, ΔI
LOAD
= 1mA to 50mA
l
615
25
mV
mV
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the –40°C to 150°C operating temperature range, otherwise specifi cations are T
J
= 25°C.
(LT3011H)