LTC3829 Datasheet, PDF (8/40 Pages) Linear Technology – 3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp

LTC3829
Typical Performance Characteristics
Regulated Feedback Voltage
vs Temperature
0.604
0.602
0.600
0.598
0.596
0.594
0.592
–50 –25
0 25 50 75
TEMPERATAURE (°C)
100 125
3829 G16
Oscillator Frequency
vs Temperature
700
V_FREQ ≥ 2.4V
600
V_FREQ = 1.2V
500
400
300
V_FREQ = 0V
200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3829 G17
Undervoltage Lockout Threshold
(INTV_CC) vs Temperature
4.3
4.1
RISING
3.9
3.7
3.5
FALLING
3.3
3.1
2.9
2.7
2.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3829 G18
Oscillator Frequency
vs Input Voltage
800
V_FREQ ≥ 2.4V
600
V_FREQ = 1.2V
400
V_FREQ = 0V
200
Shutdown Current
vs Input Voltage
50
40
30
20
10

0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
3829 G19
Shutdown Current vs Temperature
70
60
50
40
30
20
10
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3829 G21
0
5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
3829 G20
Quiescent Current vs Temperature
without EXTV_CC
6
5
4
3
2
1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3829 G22
3829f