LTC3728LCGN-PBF Datasheet, PDF (9/38 Pages) Linear Technology – Dual, 550kHz, 2-Phase Synchronous Regulators

LTC3728L/LTC3728LX
Typical Performance Characteristics
Current Sense Pin Input Current
vs Temperature
35
V_OUT = 5V
33
31
29
27
25
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3728L G26
EXTV_CC Switch Resistance
vs Temperature
10
8
6
4
2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3728L G27
Oscillator Frequency
vs Temperature
700
600
V_PLLFLTR = 2.4V
500
400
V_PLLFLTR = 1.2V
300
V_PLLFLTR = 0V
200
100
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3728L G28
Undervoltage Lockout
vs Temperature
3.50
3.45
3.40
3.35
3.30
3.25
3.20
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3728L G29
Shutdown Latch Thresholds
vs Temperature
4.5
LATCH ARMING
4.0
3.5
LATCHOFF
3.0
THRESHOLD
2.5
2.0
1.5
1.0
0.5
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3728L G30
3728lxff
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