LTC3773EG-PBF LINER [Linear Technology], LTC3773EG-PBF Datasheet - Page 8

• Manufacturer Part Number: LTC3773EG-PBF
• Description: Triple Output Synchronous 3-Phase DC/DC Controller with Up/Down Tracking
• Manufacturer: LINER [Linear Technology]

LTC3773
TYPICAL PERFORMANCE CHARACTERISTICS
8
650
600
550
500
450
400
350
300
250
200
150
160
140
120
180
100
80
40
30
20
10
70
60
50
0
–50
–50
0
Maximum Current Limit
Threshold vs V
Switching Frequency
vs Temperature
TG Minimum Pulse Width
vs Temperature
V
SENSE
V
PLLFLTR FLOATING
V
V
TRACK
PLLFLTR
PLLFLTR
–25
–25
100
= 100mV STEP
= 1V
= 5V
= 0V
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
200
25
25
V
FB
FB
300
(mV)
50
50
400
75
75
500
100
100
3773 G18
3773 G20
3773 G22
600
125
125
800
700
600
500
400
300
200
100
–10
–20
–30
100
40
30
20
10
96
92
88
84
80
0
–50
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
SENSE Pin Input Current vs
SENSE Common Mode Voltage
Maximum Duty Factor
vs Temperature
Synchronization Switching
Frequency vs V
V
V
I
TG, BG OPEN
DROPOUT
SENSE
CC
CC
V
= 5V
–25
= 5V
SENSE
0.5
= I
SENSE
V
COMMON MODE VOLTAGE (V)
0
PLLFLTR
TEMPERATURE (°C)
1
+
V
V
V
= I
PLLFLTR
PLLFLTR
PLLFLTR
25
SENSE
PLLFLTR
FLOATING, f
1.5
50
V
PLLFLTR FLOATING
V
–
(V)
= 5V, f
PLLFLTR
PLLFLTR
= 0V, f
2
75
SW
SW
SW
= 0V
= 5V
= 560kHz
2.5
= 220kHz
= 400kHz
100
3773 G21
3773 G19
3773 G23
125
3
3773fb