LTC3101 Datasheet, PDF (8/32 Pages) Linear Technology – Wide VIN, Multi-Output DC/DC Converter and PowerPath Controller

LTC3101
TYPICAL PERFORMANCE CHARACTERISTICS (T_A = 25°C unless otherwise specified)
PBSTAT Deglitch Duration
30
28
26
24
22
20
18
16
14
12
10
–50
0
50
100
TEMPERATURE (°C)
150
3101 G28
Buck-Boost Load Step,
0mA to 300mA
PBSTAT Deglitch Duration
25
24
Buck-Boost Load Step,
0mA to 800mA
OUTPUT
VOLTAGE
200mV/DIV
23
22
21
20
1
2
3
4
5
6
SUPPLY VOLTAGE, V_BAT OR V_USB (V)
3101 G29
INDUCTOR
CURRENT
500mA/DIV
V_BAT = 3V
V_OUT = 3.3V
L = 4.7μH
C_OUT = 10μF
50μs/DIV
3101 G30
Buck Load Step, Burst Mode
Operation, 10mA to 350mA
Buck Load Step, PWM Mode,
35mA to 350mA
OUTPUT
VOLTAGE
200mV/DIV
OUTPUT
VOLTAGE
100mV/DIV
OUTPUT
VOLTAGE
100mV/DIV
INDUCTOR
CURRENT
500mA/DIV
V_BAT = 1.8V
V_OUT = 3.3V
L = 4.7μH
C_OUT = 10μF
50μs/DIV
INDUCTOR
CURRENT
200mA/DIV
3101 G31
V_BAT = 3V
V_OUT = 1.2V
L = 4.7μH
C_OUT = 10μF
C_FF = 18pF
50μs/DIV
INDUCTOR
CURRENT
200mA/DIV
3101 G32
V_BAT = 3V
V_OUT = 1.2V
L = 4.7μH
C_OUT = 10μF
C_FF = 18pF
50μs/DIV
3101 G33
Buck-Boost Burst Mode Ripple
OUTPUT
VOLTAGE
20mV/DIV
INDUCTOR
CURRENT
200mA/DIV
V_BAT = 3V
V_OUT = 3.3V
L = 4.7μH
C_OUT = 10μF
I_LOAD = 10mA
20μs/DIV
3101 G34
Buck Burst Mode Ripple
OUTPUT
VOLTAGE
10mV/DIV
INDUCTOR
CURRENT
50mA/DIV
V_BAT = 3V
V_OUT = 1.2V
L = 4.7μH
C_OUT = 10μF
C_FF = 18pF
I_LOAD = 5mA
20μs/DIV
3101 G35
3101f
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