LTC3601 Linear Technology, LTC3601 Datasheet - Page 5

• Manufacturer Part Number: LTC3601
• Description: 15V Monolithic Synchronous Step-Down Regulator
• Manufacturer: Linear Technology

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TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
–0.5
–1.0
–1.5
–2.0
200
160
120
2.0
1.5
1.0
0.5
80
40
0
0
–50
–50 –25
Oscillator Frequency vs
Temperature
R
DS(ON)
–25
IN
TOP SWITCH
= 12V, f
R
vs Temperature
3.5
3.0
2.0
1.5
1.0
2.5
0.5
DS(ON)
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
–50
Bottom Switch Current Limit
vs Temperature
25
25
O
–25
= 1MHz, L = 2.2μH unless otherwise noted.
BOTTOM SWITCH
50
50
0
TEMPERATURE (°C)
R
DS(ON)
75
75
25
100
100
50
3601 G07
3601 G10
125
125
75
100
6000
5000
2000
4000
3000
1000
2.75
2.50
2.00
1.75
1.50
1.25
3601 G11
2.25
0
125
–50
–50
Switch Leakage vs Temperature
Oscillator Internal Set Frequency
vs Temperature
V
R
DS
T
–25
–25
= I
= 12V
NTVCC
BOTTOM SWITCH
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
TOP SWITCH
50
50
75
75
–0.2
1.2
1.0
0.8
0.6
0.4
0.2
0
100
0
100
Load Regulation
3601 G22
3601 G08
250
125
125
500
I
LOAD
340
260
220
380
300
0.6
2.0
1.8
1.6
1.4
1.2
1.0
0.8
750
Burst Mode OPERATION
FORCED CONTINUOUS
–50
4
(mA)
Quiescent Current vs
Supply Voltage
TRACK Pull-Up Current
vs Temperature
–25
1000
6
SUPPLY VOLTAGE (V)
1250
0
TEMPERATURE (°C)
8
3601 G21
25
1500
LTC3601
10
50
12
75
14
100
3601 G23
3601 G09
5
3601f
125
16