LTC3607_15 Datasheet, PDF (5/20 Pages) Linear Technology – Dual 600mA 15V Monolithic Synchronous Step-Down DC/DC Regulator

LTC3607
Typical Performance Characteristics T_A = 25°C, unless otherwise noted.
Oscillator Frequency vs
Temperature
2
0
–2
–4
–6
–8
–10
–12
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3607 G10
Reference Voltage vs
Temperature
0.605
V_IN = 12V
0.603
0.601
0.599
0.597
0.595
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3607 G11
R_DS(ON) vs Input Voltage
1.0
0.9
TOP SWITCH
0.8
0.7
0.6
0.5
0.4
BOTTOM SWITCH
0.3
0.2
0.1
0
4
6
8 10 12 14 16
V_IN (V)
3607 G12
R_DS(ON) vs Temperature
1.0
V_IN = 12V
0.9
0.8
TOP SWITCH
0.7
0.6
0.5
0.4
BOTTOM SWITCH
0.3
0.2
0.1
0
–50 –25 0
50 75 100 125
TEMPERATURE (°C)
3607 G13
Switch Leakage vs Temperature
7000
6000
5000
TOP SWITCH
BOTTOM SWITCH
V_IN = 12V
4000
3000
2000
1000
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3607 G14
Line Regulation
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
4
6
8 10 12
V_IN (V)
14 16
3607 G15
Peak Current Limit vs
Temperature
1200
V_IN = 12V
1150
1100
1050
1000
950
900
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3607 G16
Load Regulation
3.5
PULSE SKIP
3.0
Burst Mode OPERATION
2.5
V_OUT = 3.3V
2.0
1.5
1.0
0.5
0
–0.5
0
100 200 300 400 500 600
LOAD CURRENT (mA)
3607 G17
For more information www.linear.com/LTC3607
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