LTC3604 Linear Technology, LTC3604 Datasheet - Page 5

• Manufacturer Part Number: LTC3604
• Description: 2.5A 15V Monolithic Synchronous Step-Down Regulator
• Manufacturer: Linear Technology

TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
–0.5
–1.0
–1.5
–2.0
120
200
160
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
DS(ON)
0
0
5
2
1
0
4
3
TEMPERATURE (°C)
TEMPERATURE (°C)
–50
Bottom Switch Valley Current
Limit vs Temperature
25
25
–25
O
= 1MHz, L = 1.5μH unless otherwise noted.
BOTTOM SWITCH
50
50
0
TEMPERATURE (°C)
R
DS(ON)
75
75
25
50
100
100
3604 G07
3604 G10
75
125
125
100
125
6000
5000
4000
3000
2000
1000
1.25
3604 G13
2.75
2.50
2.25
2.00
1.75
1.50
0
150
–50
–50
Switch Leakage vs Temperature
Oscillator Internal Set Frequency
vs Temperature
V
RT = INTV
DS
–25
–25
= 12V
BOTTOM SWITCH
CC
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
TOP SWITCH
50
50
75
75
–0.2
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
100
0
100
Load Regulation
3604 G08
3604 G11
125
125
0.5
LOAD CURRENT (A)
1
260
380
340
300
220
2.0
1.4
0.6
1.8
1.6
1.2
1.0
0.8
Burst Mode OPERATION
FORCED CONTINUOUS
–50
4
Quiescent Current vs
Supply Voltage
TRACK Pull-Up Current
vs Temperature
1.5
–25
6
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SUPPLY VOLTAGE (V)
0
TEMPERATURE (°C)
2
8
3604 G14
25
2.5
LTC3604
10
50
12
75
14
100
3604 G09
3604 G12
5
3604f
125
16