LTC3404 LINER [Linear Technology], LTC3404 Datasheet - Page 15

• Manufacturer Part Number: LTC3404
• Description: 1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIO S
47pF
47pF
47pF
***
**
*
†
***
TOKO D52LC A914BYW-4R7M
TAIYO-YUDEN CERAMIC JMK325BJ226MM
TAIYO-YUDEN CERAMIC LMK325BJ106MN
V
**
OUT
*
***
TOKO D63LCB A920CY-6R2M
TAIYO-YUDEN CERAMIC JMK325BJ226MM
TAIYO-YUDEN CERAMIC LMK325BJ106MN
**
*
CONNECTED TO V
1
2
3
4
TOKO D52LC A914BYW-4R7M
TAIYO-YUDEN CERAMIC JMK325BJ226MM
TAIYO-YUDEN CERAMIC LMK325BJ106MN
1
2
3
4
RUN
I
V
GND
TH
FB
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
1
2
3
4
RUN
I
V
GND
TH
FB
LTC3404
SYNC/MODE
RUN
I
V
GND
TH
FB
LTC3404
U
SYNC/MODE
PLL LPF
LTC3404
SYNC/MODE
PLL LPF
IN
SW
V
3- to 4-Cell NiCd/NiMH to 3.3V/0.5A Regulator
FOR 2.7V < V
IN
PLL LPF
Externally Synchronized 2.5V/0.6A Regulator
SW
V
IN
8
7
6
5
V
SW
IN
8
7
6
5
Low Noise 2.5V/0.3A Regulator
8
7
6
5
4.7 H*
Using All Ceramic Capacitors
Using All Ceramic Capacitors
IN
6.2 H*
< 3.3V
EXT CLOCK
1.7MHz
0.01 F
4.7 H*
10k
20pF
20pF
20pF
887k
412k
3404 TA06
887k
412k
887k
280k
3404 TA04
3404 TA06
C
22 F
CER
OUT
C
22 F
CER
OUT
C
22 F
CER
OUT
**
**
**
V
2.5V
0.3A
V
2.5V
0.6A
OUT
OUT
V
3.3V
0.5A
OUT
†
C
10 F
CER
C
10 F
CER
IN
IN
***
***
C
10 F
CER
IN
V
3V TO 6V
***
V
2.65V TO 6V
IN
IN
V
2.7V TO 6V
IN
LTC3404
15