LTM2882
Typical Performance Characteristics TA = 25°C, LTM2882-3 VCC = 3.3V, LTM2882-5
VCC = 5V, VL = 3.3V, and GND = GND2 = 0V, ON = VL unless otherwise noted.
VCC2 Surplus Current
vs Temperature
300
VCC2 Power Efficiency
70
1.2
250
VCC = 5.0V
LTM2882-5
200
150
VCC = 3.3V
LTM2882-3
100
T1OUT AND T2OUT
50 BAUD = 100kbps
RL = 3k, CL = 2.5nF
VCC2 = 4.8V
0
–50 –25 0 25 50
TEMPERATURE (°C)
75 100
2882 G15
60
1.0
LTM2882-5
50
0.8
LTM2882-3
40
0.6
30
0.4
20
0.2
TA = 25°C
10
0
0 50 100 150 200 250 300
LOAD CURRENT (mA)
2882 G16
VCC2 Ripple and Noise
VCC2 Load Step Response
100mV/DIV
T1IN = 250kbps
T1OUT, T2OUT, RL = 3k
10µs/DIV
2882 G17
200mV/DIV
50mA/DIV
100µs/DIV
2882 G18
2882ff
8
For more information www.linear.com/LTM2882