Datasheet

LTC3634
6
3634fb
For more information www.linear.com/LTC3634
Valley Current Positive Limit
vs Temperature
Valley Current Negative Limit
vs Temperature
TRACKSS Pull-Up Current
vs Temperature
TEMPERATURE (°C)
1.4
1.6
2.0
3634 G15
1.2
1.0
0.8
0.6
1.8
I
LIM
(µA)
–50 50
150125
25–25 0 75 100
–50 50
150125
25–25 0 75 100
VALLEY CURRENT LIMIT (A)
2.5
3.0
3634 G13
2.0
3.5
6.0
4.0
4.5
5.5
5.0
TEMPERATURE (°C)
VALLEY CURRENT LIMIT (A)
–10
3634 G14
–11
–9
–4
–8
–7
–5
–6
TEMPERATURE (°C)
–50 50
150125
25–25 0 75 100
Typical perForMance characTerisTics
R
DS(ON)
vs Temperature Shutdown Current vs V
IN
Switch Leakage vs Temperature
T
A
= 25°C, V
IN
= 12V, f
SW
= 1MHz, L = 1.5μH unless
otherwise noted.
–50 50
150125
25–25 0 75 100
R
DS(ON)
(mΩ)
20
40
60
80
100
120
140
3634 G10
0
180
160
TEMPERATURE (°C)
TOP SWITCH
BOTTOM SWITCH
4
I
Q
(µA)
2
4
6
10
8
16
3634 G11
0
12
20
16
18
14
8
6 10 12 14
V
IN
(V)
SWITCH LEAKAGE (nA)
4000
8000
12000
3634 G12
0
20000
16000
TEMPERATURE (°C)
MAIN SWITCH
SYNCHRONOUS SWITCH
–50 50
150125
25–25 0 75 100