LTC3459 LINER [Linear Technology], LTC3459 Datasheet - Page 4

• Manufacturer Part Number: LTC3459
• Description: 10V Micropower Synchronous Boost Converter in ThinSOT
• Manufacturer: LINER [Linear Technology]

LTC3459
INDUCTOR
4
TYPICAL PERFOR A CE CHARACTERISTICS
50mV/DIV
CURRENT
50mA/DIV
INDUCTOR
CURRENT
50mA/DIV
CURRENT
50mA/DIV
V
OUT
SW
V
V
L = 22 H
C
C
V
V
Cycle
V
V
L = 22 H
IN
OUT
OUT
FF
IN
OUT
OUT
OUT
= 3.3V
= 47pF
= 5V
= 5V
= 4.7 F
= 3.5V
(TRACE 2 = 5V)
AC Ripple
Regulated Below V
GROUNDED)
WITH 50k
AC RIPPLE
50mV/DIV
(TRACE 2
TO 500
V
OUT
5 s/DIV
1 s/DIV
V
V
L = 22 H
C
C
Load Steps
IN
OUT
OUT
FF
= 3.6V
= 47pF
= 8V
= 4.7 F
W
IN
Burst
U
100 s/DIV
3459 G10
3459 G13
INDUCTOR
INDUCTOR
50mA/DIV
50mA/DIV
CURRENT
CURRENT
CURRENT
50mA/DIV
CURRENT
50mA/DIV
SW
SW
V
V
L = 22 H
Shorted Output
V
V
L = 22 H
Burst Cycle
3459 G16
IN
OUT
IN
OUT
= 5V
= 5V
= 10V
= 0V
500ns/DIV
1 s/DIV
(TRACE 2 = 5V)
GROUNDED)
AC RIPPLE
WITH 5k
50mV/DIV
(TRACE 2
TO 500
(T
V
OUT
A
3459 G11
3459 G14
= 25 C unless otherwise noted.)
V
V
L = 22 H
C
C
Load Steps
IN
OUT
OUT
FF
= 3.6V
= 47pF
= 8V
= 4.7 F
INDUCTOR
50mA/DIV
50mA/DIV
CURRENT
50mA/DIV
CURRENT
50mA/DIV
CURRENT
VOLTAGE
INPUT
V
OUT
SW
Burst Cycle
Start-Up
100 s/DIV
V
V
L = 22 H
V
V
L = 22 H
C
IN
OUT
IN
OUT
IN
= 2V
= 3.6V
= 2.2 F
= 10V
= 0V TO 8V
250 s/DIV
1 s/DIV
3459 G17
3459 G12
3459 G15
3459f