LTC3411 Linear Technology, LTC3411 Datasheet - Page 20

• Manufacturer Part Number: LTC3411
• Description: 1.25A/ 4MHz/ Synchronous Step-Down DC/DC Converter
• Manufacturer: Linear Technology

RELATED PARTS
LTC3411
PART NUMBER
LT1616
LT1776
LTC1879
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3412
LTC3413
LTC3430
LTC3440
ThinSOT is a trademark of Linear Technology Corporation.
20
TYPICAL APPLICATIO
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
500mA (I
500mA (I
1.2A (I
300mA (I
600mA (I
2.5A (I
3A (I
for DDR/QDR Memory Termination
60V, 2.75A (I
600mA (I
TO 4.2V
2.63V
V
OUT
IN
OUT
OUT
Sink/Source) 2MHz Monolithic Synchronous Regulator
OUT
OUT
OUT
OUT
OUT
) 550kHz Synchronous Step-Down DC/DC Converter
) 4MHz Synchronous Step-Down DC/DC Converter
) 1.4MHz High Efficiency Step-Down DC/DC Converter
) 200kHz High Efficiency Step-Down DC/DC Converter
) 1.5MHz Synchronous Step-Down DC/DC Converters
) 1.5MHz Synchronous Step-Down DC/DC Converters
) 2MHz Synchronous Buck-Boost DC/DC Converter
OUT
C6
1 F
47pF
C7
) 200kHz High Efficiency Step-Down DC/DC Converter
+
C1, C2: AVX TPSB336K006R0600
C4, C5: TAIYO YUDEN LMK212BJ105MG
L1: COILCRAFT DO1606T-102
U
470pF
C1
33 F
C3
15k
R3
www.linear.com
2mm Height, 2MHz, Li-Ion to 1.8V Converter
100
95
90
85
80
75
70
65
60
55
50
PV
SV
SYNC/MODE
I
SGND PGND
TH
1
IN
IN
V
f
Efficiency vs Load Current
O
OUT
LTC3411
= 2MHz
= 1.8V
10
LOAD CURRENT (mA)
2.5V
3.6V
4.2V
SHDN/R
PGOOD
SW
V
FB
100
T
1 H
L1
R5
100k
R4
154k
1000
PGOOD
R1
698k
C4 22pF
3411 TA05
10000
887k
R2
I
I
I
I
95% Efficiency, V
I
I
I
I
COMMENTS
90% Efficiency, V
90% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
90% Efficiency, V
I
90% Efficiency, V
95% Efficiency, V
Q
Q
Q
Q
Q
Q
Q
Q
Q
: 1.9mA, I
: 3.2mA, I
: 15 A, I
: 20 A, I
: 20 A, I
: 60 A, I
: 280 A, I
: 2.5mA, I
: 25 A, I
+
SD
SD
SD
SD
SD
SD
SD
SD
SD
C2
33 F
: <1 A, TSSOP16
: <1 A, ThinSOT
: <1 A, ThinSOT
: <1 A, TSSOP16E
: <1 A, 10-Lead MS
: <1 A, ThinSOT
: 30 A, N8, S8
: <1 A, TSSOP16E
: 25 A, TSSOP16E
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 3.6V to 25V, V
: 7.4V to 40V, V
: 2.7V to 10V, V
: 2.7V to 6V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.25V to 5.5V, V
: 5.5V to 60V, V
: 2.5V to 5.5V, V
LINEAR TECHNOLOGY CORPORATION 2002
C5
1 F
V
1.8V
AT 1.25A
OUT
3411 TA04
LT/TP 0503 2K • PRINTED IN USA
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
: 0.8V,
: 1.25V,
: 1.24V,
: 0.8V,
: 1.20V,
: 0.6V,
: 0.8V,
: 2.5V,
: V
sn3411 3411fs
REF
/2,