Datasheet

LTC3026
6
3026ff
Typical perForMance characTerisTics
IN Supply Transient Response BST/OUT Start-Up
BST Ripple and Feedthrough
to OUT
3026 G16
V
IN
2V
1.5V
V
OUT
AC
10mV/DIV
10µs/DIV
V
OUT
= 1.2V
I
OUT
= 800mA
C
OUT
= 10µF
V
BST
= 5V
T
A
= 25°C
3026 G17
SHDN
BST
OUT
HI
LO
200µs/DIV
T
A
= 25°C
R
OUT
= 1Ω
V
IN
= 1.7V
5V
1.5V
1V
0V
3026 G18
V
BST
AC 20mV/DIV
V
OUT
AC 5mV/DIV
20µs/DIV
V
OUT
= 1.2V
V
IN
= 1.5V
I
OUT
= 1A
C
OUT
= 10µF
L
SW
= 10µH
T
A
= 25°C
Delay from Enable to PG with
Boost Disabled
Delay from Enable to PG with
Boost Enabled Output Load Transient Response
3026 G13
V
IN
(V)
1.0
DELAY (µs)
2.0
3.0
3.5 5.5
1.5 2.5
4.0
4.5
5.0
400
375
350
325
300
275
250
–40°C
25°C
85°C
V
OUT
= 0.8V
R
OUT
= 8Ω
3026 G14
V
IN
(V)
1.0
DELAY (ms)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.0
1.5
2.0
2.5
3.5
–40°C
25°C
85°C
V
OUT
= 0.8V
R
OUT
= 8Ω
3026 G15
I
OUT
1.5A
2mA
OUT
AC 20mV/DIV
50µs/DIV
V
OUT
= 1.5V
C
OUT
= 10µF
V
IN
= 1.7V
V
BST
= 5V