Datasheet

LTC3634
7
3634fb
For more information www.linear.com/LTC3634
Typical perForMance characTerisTics
Load Regulation VTTR Load Regulation V
DDQ
Load Step
Start-Up Start-Up (Channel 2)
T
A
= 25°C, V
IN
= 12V, f
SW
= 1MHz, L = 1.5μH unless
otherwise noted.
V
TT
Load Step
LOAD CURRENT (A)
–3
0.1
0.2
0.3
–1 1
3634 G16
0
–0.1
–2
0 2 3
–0.2
–0.3
VTTR ERROR (%)
VDDQ
V
TT
VTTR LOAD CURRENT (mA)
–10
0.1
0.2
–6 –2
3634 G17
0
–0.1
–8
–4
0 4 8
2
6 10
–0.2
VTTR ERROR (%)
20µs/DIV
3634 G18
V
OUT
100mV/DIV
AC-COUPLED
I
L
2A/DIV
V
OUT
= 1.8V
I
LOAD
= 0A TO 3A
20µs/DIV
3634 G19
V
OUT
100mV/DIV
AC-COUPLED
I
L
2A/DIV
V
OUT
= 0.9V
I
LOAD
= –2A TO 2A
200µs/DIV
RUN1 = 5V
3634 G21
V
DDQ
V
TT
1V/DIV
RUN2
5V/DIV
VTTR
1V/DIV
V
DDQ
V
TT
200µs/DIV
3634 G20
V
DDQ
V
TT
1V/DIV
RUN1 = RUN2
5V/DIV
VTTR
1V/DIV
V
DDQ
V
TT