LTC3613
TYPICAL PERFORMANCE CHARACTERISTICS
Error Amplifier Transconductance
vs Temperature
1.80
1.75
1.70
1.65
1.60
1.55
1.50
–50 –25
CURRENT SENSE VOLTAGE (mV)
120
100
TRANSCONDUCTANCE (mS)
80
60
40
20
0
–20
–40
0
25 50 75 100 125 150
TEMPERATURE (°C)
3613 G22
T
A
= 25°C unless otherwise noted
Maximum Current Sense Voltage
vs Temperature
MAXIMUM CURRENT SENSE VOLTAGE (mV)
120
100
80
60
40
20
0
–50 –25
V
RNG
= 2V
Current Sense Voltage
vs ITH Voltage
V
RNG
= 1V
V
RNG
= 0.6V
V
RNG
= 0.6V
V
RNG
= 0.9V
V
RNG
= 1.3V
V
RNG
= 1.6V
V
RNG
= 2.0V
0
0.5
1.5
1
ITH VOLTAGE (V)
2
2.5
3613 G23
–60
0
25 50 75 100 125 150
TEMPERATURE (°C)
3613 G24
RUN Thresholds vs Temperature
1.6
1.4
RUN PIN THRESHOLDS (V)
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3613 G25
Input Undervoltage Lockout
Thresholds vs Temperature
4.5
1.8
UVLO RELEASE
(INTV
CC
RISING)
CURRENT (μA)
1.6
RUN and TRACK/SS Pull-Up
Currents vs Temperature
SWITCHING REGION
UVLO THRESHOLDS (V)
4.3
4.1
3.9
3.7
3.5
3.3
–50 –25
RUN
1.4
1.2
TRACK/SS
1.0
0.8
0.6
–50 –25
STANDBY REGION
UVLO LOCK
(INTV
CC
FALLING)
SHUTDOWN REGION
0
25 50 75 100 125 150
TEMPERATURE (°C)
3613 G26
0
25 50 75 100 125 150
TEMPERATURE (°C)
3613 G27
3613fa
7
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
