LTC3610_15 Datasheet, PDF (6/24 Pages) Linear Technology – 24V, 12A Monolithic Synchronous Step-Down DC/DC Converter

LTC3610
Typical Performance Characteristics
Feedback Reference Voltage
vs Temperature
0.62
0.61
0.60
0.59
0.58
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G19
Error Amplifier g_m vs Temperature
2.0
1.8
1.6
1.4
1.2
1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G20
Input and Shutdown Currents
vs Input Voltage
1400
40
1200
1000
800
600
400
200
EXTV_CC OPEN
35
30
25
SHUTDOWN
20
15
10
EXTV_CC = 5V
5
0
0
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
3610 G21
INTV_CC Load Regulation
0.30
0.20
0.10
0
–0.10
–0.20
–0.30
–0.40
0
10
20
30
40
50
INTVCC LOAD CURRENT (mA)
3610 G22
RUN/SS Pin Current
vs Temperature
3
2
PULL-DOWN CURRENT
1
0
–1
–2
–50 –25
PULL-UP CURRENT
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G25
I_EXTVCC vs Frequency
25
20
15
10
5
0
400 500 600 700 800 900 1000
FREQUENCY (kHz)
3610 G23
RUN/SS Pin Current
vs Temperature
5.0
EXTV_CC Switch Resistance
vs Temperature
10
8
6
4
2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G24
Undervoltage Lockout Threshold
vs Temperature
4.0
4.5
3.5
LATCHOFF ENABLE
4.0
3.0
LATCHOFF THRESHOLD
3.5
2.5
3.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G26
2.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3610 G27
3610ff