LTC3815_15 Datasheet, PDF (7/42 Pages) Linear Technology – 6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management

Typical Performance Characteristics
Valley Current Limit
vs Input Voltage
6.4
6.3
6.2
6.1
6.0
5.9
5.8
5.7
5.6
2
3
4
5
INPUT VOLTAGE (V)
6
3815 G10
Oscillator Frequency
vs Temperature
3
2
1
0
–1
–2
–3
–50
0
50
100
TEMPERATURE (°C)
150
3815 G13
Shutdown Current vs Input
Voltage
5
–50°C
25°C
4
125°C
3
2
1
0
2
3
4
5
6
INPUT VOLTAGE (V)
3815 G16
Current Sense Threshold
vs ITH Voltage
8
6
4
2
0
–2
–4
–6
–8
0 0.2 0.4 0.6 0.8 1.0 1.2
ITH VOLTAGE (V)
3815 G11
Oscillator Frequency vs Input
Voltage
4
3
2
1
0
–1
–2
–3
–4
2
3
4
5
INPUT VOLTAGE (V)
6
3815 G14
Standby Current vs Input Voltage
200
150
100
50
–50°C
25°C
125°C
0
2
3
4
5
6
INPUT VOLTAGE (V)
3815 G17
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LTC3815
Valley Current Limit vs
Temperature
7.0
6.5
6.0
5.5
5.0
–50
0
50
100
TEMPERATURE (°C)
150
3815 G12
Quiescent Current vs Input
Voltage
10
8
6
4
2
–50°C
25°C
125°C
0
2
3
4
5
6
INPUT VOLTAGE (V)
3815 G15
Oscillator Frequency vs RT
3
1
0.2
0
20
40
60
80 100
R_T (kΩ)
3815 G18
3815p
7