Datasheet

LT3011
7
3011f
TYPICAL PERFORMANCE CHARACTERISTICS
Reverse Output Current Reverse Output Current Input Ripple Rejection
Input Ripple Rejection Minimum Input Voltage Load Regulation
Output Noise Spectral Density Output Noise (10Hz to 100kHz) Transient Response
FREQUENCY (Hz)
10
0.001
OUTPUT NOISE SPECTRAL
DENSITY (μV/ Hz)
0.1
10
1k 10k100 100k
3011 G25
0.01
1
V
OUT
= 1.24V
C
OUT
= 1μF
I
L
= 50mA
T
J
= 25°C, unless otherwise noted.
3011 G26
1ms/DIV
V
OUT
100μV/DIV
V
OUT
= 1.24V
C
OUT
= 1μF
I
L
= 50mA
WORST-CASE NOISE
TIME (μs)
0 700
200 400
100 900
300 500
800
600 1000
3011 G27
V
IN
= 6V
V
OUT
SET FOR 5V
C
IN
= 1μF CERAMIC
C
OUT
= 1μF CERAMIC
ΔI
LOAD
= 1mA TO 50mA
OUTPUT VOLTAGE
DEVIATION (V)
LOAD
CURRENT (mA)
0
0.1
0.2
–0.1
–0.2
25
0
50
0.3
OUTPUT VOLTAGE (V)
07
24
19
35
8
610
3011 G19
T
J
= 25°C
V
IN
= 0V
CURRENT FLOWS
INTO OUTPUT PIN
V
OUT
= V
ADJ
REVERSE OUTPUT CURRENT (μA)
100
120
140
80
60
20
0
40
160
ADJ PIN CLAMP
(SEE APPLICATIONS
INFORMATION)
FREQUENCY (Hz)
30
RIPPLE REJECTION (dB)
50
80
10 100 100k 1M
0
10
1k 10k
100
70
90
40
60
20
3011 G22
V
IN
= 7V + 50mV
RMS
RIPPLE
I
L
= 50mA, V
OUT
= 1.24V
C
OUT
= 10μF
CERAMIC
C
OUT
= 1μF
CERAMIC
TEMPERATURE (°C)
–50
REVERSE OUTPUT CURRENT (μA)
70
25
3011 G20
40
20
–25 0 50
10
0
80
60
50
30
75 100 125 150
V
IN
= 0V
V
OUT
= V
ADJ
= 1.24V
TEMPERATURE (°C)
–50
70
RIPPLE REJECTION (dB)
74
78
82
–25
0
25 50 10075 125
86
90
72
76
80
84
88
150
3011 G21
V
IN
= 7V + 0.5V
P-P
RIPPLE AT f = 120Hz
I
L
= 50mA
V
OUT
= 1.24V
TEMPERATURE (°C)
–50
MINIMUM INPUT VOLTAGE (V)
3.5
25
3011 G23
2.0
1.0
–25 0 50
0.5
0
4.0
3.0
2.5
1.5
75 100 125 150
I
L
= 50mA
TEMPERATURE (°C)
LOAD REGULATION (mV)
3011 G24
–4
–8
–10
–12
0
–2
–6
–50 0 50 75–25 25 100 150125
ΔI
L
= 1mA TO 50mA
V
OUT
= 1.24V