LT1031_05 Datasheet, PDF (5/12 Pages) Linear Technology – Precision 10V Reference

TYPICAL PERFOR A CE CHARACTERISTICS
LT1031/LH0070
Output Voltage Noise
16
C_OUT = 0
14 ^{FILTER = 1 POLE}
f_LOW = 0.1Hz
12
10
8
6
4
2
0
10
100
1k
10k
BANDWIDTH (Hz)
LT1031 • TPC07
Input Supply Current
1.8
I_OUT = 0
1.6
T_J = –55°C
1.4
T_J = 25°C
1.2
T_J = 125°C
1.0
0.8
0.6
0.4
0.2
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
LT1031 • TPC10
Thermal Regulation
V_IN = 30V
∆POWER = 200mW
0
LOAD
–0.5
REGULATION
–1.0
THERMAL*
REGULATION
–1.5
I_LOAD = 10mA
–20 0 20 40 60 80 100 120 140
TIME (ms)
*INDEPENDENT OF TEMPERATURE COEFFICIENT
LT1031 • TPC13
Load Regulation
5
V_IN = 12V
4
3
2
1
0
–1
–2
–3
–4
–5
–10 –8 –6 –4 –2 0 2 4 6 8 10
SOURCING
SINKING
OUTPUT CURRENT (mA)
LT1031 • TPC08
Shunt Characteristics
1.8
INPUT PIN OPEN
1.6
1.4
1.2
T_J = –55°C
1.0
T_J = 25°C
0.8
0.6
0.4
T_J = 125°C
0.2
0
02
46
8 10 12
OUTPUT TO GROUND VOLTAGE (V)
LT1031 • TPC11
Load Transient Response
C_LOAD = 0
∆I_SOURCE = 100µAp-p
I_SOURCE = 0
10mV
∆I_SINK = 100µAp-p
I_SINK = 0.6mA
50mV
I_SINK = 0.8mA
I_SOURCE = 0.2mA
I_SINK = 1.0mA
Output Voltage Temperature
10.006
10.004
10.002
10.000
9.998
9.996
9.994
–50 –25
0 25 50 75
TEMPERATURE (˚C)
100 125
LT1031 • TPC09
Shunt Mode Current Limit
60
INPUT PIN IS OPEN
50
40
30
20
10
0
02
4 6 8 10 12 14 16 18
OUTPUT VOLTAGE (V)
LT1031 • TPC12
Load Transient Response
C_LOAD = 1000pF
∆I_SOURCE = 100µAp-p ∆I_SINK = 100µAp-p
I_SOURCE = 0
I_SINK = 0.8mA
20mV
5mV
I_SINK = 1.2mA
I_SOURCE = 0.5mA
I_SOURCE = 2 TO 10mA
I_SINK = 1.4mA
I_SOURCE = 2 TO 10mA I_SINK = 2 TO 10mA
–2 0 1 2 3 4 5 6 7 8 9
TIME (µs)
NOTE VERTICAL SCALE CHANGE
BETWEEN SOURCING AND SINKING
LT1031 • TPC14
I_SINK = 2 TO 10mA
0246802468
TIME (µs)
NOTE VERTICAL SCALE CHANGE
BETWEEN SOURCING AND SINKING
LT1031 • TPC15
1031fb
5