Datasheet

LTC3613
7
3613fa
TYPICAL PERFORMANCE CHARACTERISTICS
Error Amplifier Transconductance
vs Temperature
Current Sense Voltage
vs ITH Voltage
Maximum Current Sense Voltage
vs Temperature
RUN Thresholds vs Temperature
Input Undervoltage Lockout
Thresholds vs Temperature
RUN and TRACK/SS Pull-Up
Currents vs Temperature
TEMPERATURE (°C)
–50
1.50
TRANSCONDUCTANCE (mS)
1.55
1.60
1.65
1.70
050
100
150
3613 G22
1.75
1.80
–25 25
75
125
ITH VOLTAGE (V)
0
–60
CURRENT SENSE VOLTAGE (mV)
–40
0
20
40
1
2
2.5
120
3613 G23
–20
0.5 1.5
60
80
100
V
RNG
= 0.6V
V
RNG
= 0.9V
V
RNG
= 1.3V
V
RNG
= 1.6V
V
RNG
= 2.0V
TEMPERATURE (°C)
–5
0
0
MAXIMUM CURRENT SENSE VOLTAGE (mV)
20
40
60
80
050
100
150
3613 G24
100
120
–25 25
75
125
V
RNG
= 2V
V
RNG
= 1V
V
RNG
= 0.6V
TEMPERATURE (°C)
–50
RUN PIN THRESHOLDS (V)
0.8
1.2
150
3613 G25
0.4
0
0
50
100
–25
25
75
125
1.6
0.6
1.0
0.2
1.4
SWITCHING REGION
STANDBY REGION
SHUTDOWN REGION
TEMPERATURE (°C)
–50
3.3
UVLO THRESHOLDS (V)
3.5
3.7
3.9
4.1
050
100
150
3613 G26
4.3
4.5
–25 25
75
125
UVLO RELEASE
(INTV
CC
RISING)
UVLO LOCK
(INTV
CC
FALLING)
TEMPERATURE (°C)
–50
0.6
CURRENT (µA)
0.8
1.0
1.2
1.4
050
100
150
3613 G27
1.6
1.8
RUN
–25 25
75
125
TRACK/SS
T
A
= 25°C unless otherwise noted