LTM2883 Datasheet, PDF (7/36 Pages) Linear Technology – SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power

LTM2883
Typical Performance Characteristics T_A = 25°C, LTM2883-3 V_CC = 3.3V,
LTM2883-5 V_CC = 5V, V_L = 3.3V, GND = GND2 = 0V, ON = V_L unless otherwise noted.
V_CC Supply Current
vs Temperature
30
NO LOAD, REFRESH DATA ONLY
25
LTM2883-3
V_CC = 3.3V
Isolated Supplies
vs Equal Load Current
14
12
LTM2883-3
V_CC = 3.3V
10
Isolated Supplies
vs Equal Load Current
14
12
10
LTM2883-5
V_CC = 5V
8
8
20
LTM2883-5
V_CC = 5V
6
6
15
10
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2883 G01
4
2
VV_C+C2
V^–
0
0
5
10
15
20
25
LOAD CURRENT (mA)
2883 G02
4
2
VV_C+C2
V^–
0
0
5 10 15 20 25 30
LOAD CURRENT (mA)
2883 G03
V_CC2 Line Regulation
vs Load Current
6.0
LTM2883-3
I⁺ = I^– = 0A
5.5
5.0
4.5
4.0
3.5
3.0
2.5
0
V_CC = 3V
V_CC = 3.3V
V_CC = 3.6V
10
20
30
LOAD CURRENT (mA)
40
2883 G04
V⁺ Line Regulation
vs Load Current
13.0
12.5
LTM2883-3
I_CC2 = I^– = 0A
12.0
11.5
11.0
10.5
10.0
9.5
9.0
0
V_CC = 3V
V_CC = 3.15V
V_CC = 3.3V
V_CC = 3.6V
10 20 30 40
LOAD CURRENT (mA)
50 60
2883 G05
V^– Line Regulation
vs Load Current
–9.0
LTM2883-3
–9.5 ^{ICC2 = I+ = 0A}
–10.0
–10.5
–11.0
–11.5
V_CC = 3V
V_CC = 3.15V
V_CC = 3.3V
V_CC = 3.6V
–12.0
–12.5
–13.0
0
10
20
LOAD CURRENT (mA)
30
2883 G06
V_CC2 Line Regulation
vs Load Current
6.0
LTM2883-5
5.5 ^{I+ = I– = 0A}
5.0
4.5
4.0
3.5
3.0
2.5
0
V_CC = 4.5V
V_CC = 5V
V_CC = 5.5V
10
20
30
LOAD CURRENT (mA)
40
2883 G07
V⁺ Line Regulation
vs Load Current
13.0
LTM2883-5
12.5 ^ICC2 ^{= I– = 0A}
12.0
11.5
11.0
10.5
10.0
9.5
9.0
0
V_CC = 4.5V
V_CC = 4.75V
V_CC = 5V
V_CC = 5.5V
10 20 30 40
LOAD CURRENT (mA)
50 60
2883 G08
V^– Line Regulation
vs Load Current
–9.0
LTM2883-5
–9.5 ^{ICC2 = I+ = 0A}
–10.0
–10.5
–11.0
–11.5
V_CC = 4.5V
V_CC = 4.75V
V_CC = 5V
V_CC = 5.5V
–12.0
–12.5
–13.0
0
10
20
30
LOAD CURRENT (mA)
40
2883 G09
2883f
7