LTC3883 Datasheet, PDF (11/112 Pages) Linear Technology – Single Phase Step-Down DC/DC Controller with Digital Power System Management

LTC3883/LTC3883-1
Typical Performance Characteristics
V_OUT Command INL
2.0
1.5
1.0
0.5
0
–0.5
–1.0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V_OUT (V)
3883 G19
V_OUT OV Threshold
vs Temperature (1V Target)
1.010
1.005
1.000
0.995
0.990
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3883 G22
External Temperature Error
vs Temperature
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
3883 G25
V_OUT Command DNL
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V_OUT (V)
3883 G20
V_OUT OV Threshold
vs Temperature (2V Target)
2.03
2.02
2.01
2.00
1.99
1.98
1.97
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3883 G23
I_OUT Error vs I_OUT Room
Temperature
8
6
4
2
0
–2
–4
–6
–8
0
5
10
15
20
OUTPUT CURRENT (A)
3883 G26
INTV_CC Line Regulation
5.25
5.00
4.75
4.50
4.25
4.00
3.75
3.50
5
10
15
20
25
V_IN (V)
3883 G21
V_OUT OV Threshold
vs Temperature (4V Target)
4.04
4.03
4.02
4.01
4.00
3.99
3.98
3.97
3.96
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3883 G24
I_IN Error vs I_IN Room Temperature
5
4
3
2
1
0
–1
–2
–3
0
1
2
INPUT CURRENT (A)
3
3883 G27
3883f
11