Datasheet

6
LT1236
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
Load Transient Response,
LT1236-10, C
LOAD
= 0
Load Transient Response,
LT1236-10, C
LOAD
= 1000pF
Output Noise 0.1Hz to 10Hz,
LT1236-10
TIME (µs)
OUTPUT VOLTAGE CHANGE
2
LT1236 G22
102413
3
0
4
I
SOURCE
= 2-10mA
I
SOURCE
= 0.2mA
I
SINK
= 0.6mA
I
SINK
= 0.8mA
I
SINK
= 1.0mA
I
SINK
= 2-10mA
10mV
50mV
I
SINK
= 100µA
P-P
I
SOURCE
= 100µA
P-P
I
SOURCE
= 0
NOTE VERTICAL SCALE CHANGE
BETWEEN SOURCING AND SINKING
TIME (µs)
OUTPUT VOLTAGE CHANGE
2
LT1236 G23
102413
3
0
4
I
SOURCE
= 2-10mA
I
SOURCE
= 0.5mA
I
SINK
= 0.8mA
I
SINK
= 1.2mA
I
SINK
= 1.4mA
I
SINK
= 2-10mA
5mV
20mV
I
SINK
= 100µA
P-P
I
SOURCE
= 100µA
P-P
I
SOURCE
= 0
NOTE VERTICAL SCALE CHANGE
BETWEEN SOURCING AND SINKING
TIME (MINUTES)
0
35
LT1236 G24
12
46
OUTPUT VOLTAGE NOISE (10µV/DIV)
10µV (1ppm)
FILTERING = 1 ZERO AT 0.1Hz
2 POLES AT 10Hz
Output Voltage Temperature
Drift, LT1236-10
OUTPUT CURRENT (mA)
–10
OUTPUT CHANGE (mV)
1
3
5
4
2
0
–2
–4
6
LT1236 G17
–1
–3
–5
–6–8 4 0 4 8
–2
2
10
V
IN
= 12V
SOURCING SINKING
Load Regulation, LT1236-10 Input Supply Current, LT1236-10
INPUT VOLTAGE (V)
0
0
INPUT CURRENT (mA)
0.2
0.6
0.8
1.0
3530
1.8
LT1236 G18
0.4
5 10152025 40
1.2
1.4
1.6
T
J
= – 55°C
T
J
= 25°C
T
J
= 125°C
I
OUT
= 0
Shunt Mode Current Limit,
LT1236-10
OUTPUT VOLTAGE (V)
0
0
CURRENT INTO OUTPUT (mA)
10
30
40
50
4
8
10 18
LT1236 G20
20
26
12
14
16
60
INPUT PIN OPEN
Shunt Characteristics, LT1236-10
OUTPUT TO GROUND VOLTAGE (V)
0
0
CURRENT INTO OUTPUT (mA)
0.2
0.6
0.8
1.0
8
1.8
LT1236 G19
0.4
42 6 10 12
1.2
1.4
1.6
T
J
= – 55°C
T
J
= 25°C
INPUT PIN OPEN
T
J
= 125°C
Thermal Regulation, LT1236-10
TIME (ms)
OUTPUT CHANGE (mV)
–1.0
0.5
0
140
LT1236 G21
–1.5
20
60
100
0
40
80
120
LOAD
REGULATION
THERMAL 
REGULATION*
I
LOAD
= 10mA
*INDEPENDENT OF TEMPERATURE COEFFICIENT
V
IN
= 30V
POWER = 200mW
TEMPERATURE (˚C)
–40
OUTPUT VOLTAGE (V)
10.0010
10.0015
10.0020
40
LT1236 G16
10.0005
10.0000
080–20 6020 100
9.9995
9.9990
9.9985
9.9980