LTC3406-1.2 Datasheet, PDF (4/12 Pages) Linear Technology – 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT

LTC3406-1.2
TYPICAL PERFOR A CE CHARACTERISTICS
(From Figure 1)
Supply Current vs Temperature
50
V_IN = 3.6V
45 _{ILOAD = 0A}
40
35
30
25
20
15
10
5
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
340612 G10
Switch Leakage vs Temperature
300
V_IN = 5.5V
RUN = 0V
250
200
150
100
MAIN SWITCH
50
SYNCHRONOUS SWITCH
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
340612 G11
Switch Leakage vs Input Voltage
120
RUN = 0V
T_A = 25°C
100
SYNCHRONOUS
SWITCH
80
60
MAIN
SWITCH
40
20
0
0
1
2
3
4
56
INPUT VOLTAGE (V)
340612 G12
Discontinuous Operation
SW
2V/DIV
V_OUT
50mV/DIV
AC COUPLED
I_L
200mA/DIV
V_IN = 3.6V
I_LOAD = 25mA
4µs/DIV
3406B12 G13
(From Figure 1a Except for the Resistive Divider Resistor Values)
Load Step
RUN
2V/DIV
V_OUT
1V/DIV
I_L
500mA/DIV
40µs/DIV
V_IN = 3.6V
I_LOAD = 100mA TO 600mA
340612 G14
Load Step
V_OUT
100mV/DIV
AC COUPLED
I_LOAD
500mA/DIV
I_L
500mA/DIV
20µs/DIV
V_IN = 3.6V
I_LOAD = 25mA TO 600mA
340612 G15
4
340612f