LT3501 LINER [Linear Technology], LT3501 Datasheet - Page 6

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

LT3501
TYPICAL PERFORMANCE CHARACTERISTICS
6
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
0
–50 –25
250
1
Minimum Boost Voltage
vs Temperature
Minimum Input Voltage
vs Load Current
External Sync Duty Cycle Range
vs External Sync Frequency
V
OUT
= 2.5V
500
10
MAXIMUM CLOCK
MINIMUM CLOCK
0
TEMPERATURE (°C)
FREQUENCY (kHz)
DUTY CYCLE
DUTY CYCLE
CURRENT (mA)
750
25
100
50
1000
RUNNING
75
1000
1250
100
3501 G24
3501 G21
3501 G17
10000
1500
125
1600
1400
1200
1000
800
600
400
200
100
100
6.0
5.5
5.0
4.5
4.0
3.5
3.0
0
95
90
85
80
75
70
65
60
55
50
Frequency and Phase vs R
Pin Resistance
–50
V
vs Temperature
1
Minimum Input Voltage
vs Load Current
V
20
OUT
OUT
FREQUENCY
–25
= 3.3V
+ IND Current
40
10
RESISTANCE (kΩ)
0
TEMPERATURE (°C)
60
CURRENT (mA)
RUNNING
25
80
100
50
100 120 140
PHASE
75
T
1000
/SYNC
1344 G18
100
3501 G25
3501 G22
10000
190
185
180
175
170
165
160
155
150
125
7.5
7.0
6.5
6.0
5.5
5.0
4.5
450
400
350
300
250
200
100
150
100
50
90
80
70
60
50
40
30
20
10
0
0
1
0.5
Minimum Input Voltage
vs Load Current
0
V
V
vs Voltage
Switch Saturation Voltage
vs Switch Current
OUT
OUT
0.2
= 5V
+ IND Current
1
0.4
10
0.6
1.5
CURRENT (mA)
CURRENT (A)
VOLTAGE (V)
0.8
RUNNING
100
1.0
2
1.2 1.4
125°C
2.5
1000
25°C
–50°C
1.6
3
3501 G26
3501 G19
1.8
3501 G23
10000
3501fb
2.0
3.5