LTC3809-1_15 Datasheet, PDF (6/24 Pages) Linear Technology – No RSENSE, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking

LTC3809-1
TYPICAL PERFORMANCE CHARACTERISTICS ^TA ^{= 25°C, unless otherwise noted.}
Oscillator Frequency
vs Temperature
10
8
6
4
2
0
–2
–4
–6
–8
–10
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
38091 G17
Oscillator Frequency
vs Input Voltage
5
4
3
2
1
0
–1
–2
–3
–4
–5
2 3456 78
INPUT VOLTAGE (V)
9 10
38091 G18
Shutdown Quiescent Current
vs Input Voltage
18
16
14
12
10
8
6
4
2
0
2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
38091 G19
Sleep Current vs Input Voltage
130
TRACK/SS Start-Up Current
vs TRACK/SS Voltage
1.04
120
1.00
110
0.96
100
0.92
90
80
0.88
70
2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
38091 G20
0.84
0
0.1 0.2 0.3 0.4 0.5
TRACK/SS VOLTAGE (V)
0.6 0.7
38091 G21
38091fc
6