Datasheet

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