LT3501 LINER [Linear Technology], LT3501 Datasheet - Page 5

• Manufacturer Part Number: LT3501
• Description: Monolithic Dual Tracking 3A Step-Down Switching Regulator
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
1000
1650
1600
1450
1350
1550
1500
1400
950
900
850
800
750
700
650
600
550
500
–2
–1
–3
–4
4
3
2
1
0
–50
–50
–50
Soft-Start to Feedback Offset
Voltage vs Temperature
Power Good Sink Current
vs Temperature
Switching Frequency and Channel
Phase vs Temperature
R
RT
–25
–25
/SYNC = 15.4k
–25
PHASE
FREQUENCY
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
75
75
75
100
100
100
3501 G14
3501 G11
3501 G08
125
125
125
200
195
180
150
190
185
175
170
165
160
155
250
230
210
190
170
150
130
110
90
70
50
1000
900
600
400
800
700
500
–50
Minimum Switching Times
vs Temperature
1500
–50
2500
2000
1000
500
V
vs Temperature
–25
C
MINIMUM ON TIME
0
–50 –25
Switching Threshold Voltage
–25
Syncronization Clock Frequency
Range vs Temperature
0
TEMPERATURE (°C)
0
V
TEMPERATURE (°C)
OUT
25
0
MINIMUM OFF TIME
SYNCHRONIZATION
SYNCHRONIZATION
TEMPERATURE (°C)
= 0V
25
V
OUT
50
FREQUENCY
FREQUENCY
MAXIMUM
MINIMUM
25
= 5V
50
75
50
75
100
75
3501 G12
100
3501 G09
125
100
125
3501 G15
125
300
290
280
270
260
250
240
230
220
210
200
–50
Switching Frequency and Channel
Phase vs Temperature
R
800
780
760
740
720
700
680
660
640
620
600
188
186
164
182
180
178
176
174
172
170
168
T
/SYNC = 133kΩ
PHASE
–25
–50
FREQUENCY
–50
Power Good Threshold Voltage
vs Temperature
Channel Phase vs Temperature
with External Synchronization
–25
–25
0
TEMPERATURE (°C)
25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
SYNCHRONIZATION
FREQUENCY = 250kHz
SYNCHRONIZATION
FREQUENCY = 1500kHz
FALLING
RISING
50
25
25
50
50
75
LT3501
100
75
75
3501 G13
100
125
100
3501 G10
3501 G16
200
190
180
170
160
150
140
130
120
110
100
3501fb
5
125
125