LT3502 LINER [Linear Technology], LT3502 Datasheet - Page 14

• Manufacturer Part Number: LT3502
• Manufacturer: LINER [Linear Technology]

LT3502/LT3502A
APPLICATIONS INFORMATION
14
V
IN
V
MAX V
BOOST
BOOST
V
IN
– V
SW
LT3502
Figure 4. Transient Load Response of the LT3502A with Different Output Capacitors
as the Load Current is Stepped from 150mA to 400mA. V
≅ V
GND
BD
≅ V
32.4k
FB
IN
10k
BOOST
OUT
+ V
32.4k
32.4k
FB
FB
SW
10k
10k
DA
OUT
(5a)
50pF
+
10μF
×2
10μF
100μF
SANYO
4TPB100M
V
V
V
OUT
OUT
OUT
3502 F05a
V
OUT
Figure 5
AC COUPLED
AC COUPLED
AC COUPLED
0.2A/DIV
0.1V/DIV
0.2A/DIV
0.1V/DIV
0.2A/DIV
0.1V/DIV
V
V
V
OUT
OUT
OUT
I
I
I
L
L
L
V
V
DD
IN
IN
= 12V, V
V
MAX V
BOOST
10μs/DIV
10μs/DIV
10μs/DIV
OUT
V
BOOST
– V
IN
SW
= 3.3V, L = 6.8μH
LT3502
≅ 2V
GND
BD
≅ V
BOOST
IN
IN
SW
DA
(5b)
3502 F04a
3502 F04b
3502 F04c
3502 F05b
V
OUT
3502fc