LT3029_15 Datasheet, PDF (5/20 Pages) Linear Technology – Dual 500mA/500mA Low Dropout, Low Noise, Micropower Linear Regulator

LT3029
Typical Performance Characteristics T_J = 25°C, unless otherwise noted.
ADJ1 or ADJ2 Pin Voltage
1.239
I_L = 1mA
1.233
1.227
1.221
1.215
1.209
1.203
1.197
1.191
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3029 G05
GND Pin Current (per Channel)
1.6
T_J = 25°C
1.4 ^{FOR V}OUT ^{= 1.215V}
1.2
R_L = 24.3Ω, I_L = 50mA
1.0
0.8
0.6
0.4
R_L = 121.5Ω, I_L = 10mA
0.2
R_L = 1.215kΩ, I_L = 1mA
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3029 G07
GND Pin Current vs I_LOAD
16
T_J = 25°C
14 ^VIN ^{= V}OUT(NOMINAL) ^{+ 1V}
12
10
8
6
4
2
0
0 50 100 150 200 250 300 350 400 450 500
OUTPUT CURRENT (mA)
3029 G09
Quiescent Current (per Channel)
160
T_J = 25°C
140
R_L = 243k
V_OUT = 1.215V
120
100
80
60
V_SHDN = V_IN
40
20
V_SHDN = 0V
0
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
3029 G06
GND Pin Current (per Channel)
16
T_J = 25°C
14 ^{FOR V}OUT ^{= 1.215V}
12
10
8
R_L = 2.43Ω, I_L = 500mA
6
R_L = 4.05Ω, I_L = 300mA
4
2
R_L = 12.15Ω, I_L = 100mA
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3029 G08
SHDN1 or SHDN2 Pin Threshold
(On-to-Off)
1.0
I_L = 1mA
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3029 G10
For more information www.linear.com/LT3029
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