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LTC3568EDD#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
LTC3568
16
3568fa
Typical applicaTions
Low Output Voltage, 2mm Height Buck Regulator Efficiency vs Load Current
PS
PV
IN
LTC3568
PGOOD PGOOD
SW
SV
IN
SYNC/MODE
V
FB
I
TH
SHDN/R
T
L1
1.7µH
V
OUT
1.2V/1.5V/1.8V
AT 1.8A
V
IN
2.5V
TO 5.5V
SGND PGND
SGND
GND
SGND
FC
PGND
R5
100k
C4 47pF
R4
324k
R3
13k
R1C
787k
R2
402k
3568 TA04
C3
1000pF
C1
22µF
C1: TAIYO YUDEN JMK325BJ226MM
C2: TAIYO YUDEN JMK325BJ476MM
L1: SUMIDA CDRH2D18/HP1R7
C2
47µF
x2
R1B
453k
1.2V1.5V
R1A
316k
1.8V
R
S1
1M
R
S2
1M
BM
LOAD CURRENT (mA)
EFFICIENCY (%)
95
90
85
80
75
70
1 100 1000 10000
3568 TA05
10
V
IN
= 3.3V
Burst Mode OPERATION
f
O
= 1MHz
V
OUT
= 1.2V
V
OUT
= 1.5V
V
OUT
= 1.8V
package DescripTion
3.00 p0.10
(4 SIDES)
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-2).
CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
TOP AND BOTTOM OF PACKAGE
0.40 p 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 p 0.10
(2 SIDES)
0.75 p0.05
R = 0.125
TYP
2.38 p0.10
(2 SIDES)
15
106
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DD) DFN REV C 0310
0.25 p 0.05
2.38 p0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 p0.05
(2 SIDES)
2.15 p0.05
0.50
BSC
0.70 p0.05
3.55 p0.05
PACKAGE
OUTLINE
0.25 p 0.05
0.50 BSC
PIN 1 NOTCH
R = 0.20 OR
0.35 s 45o
CHAMFER
DD Package
10-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1699 Rev C)
LTC3568
17
3568fa
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 representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
revision hisTory
REV DATE DESCRIPTION PAGE NUMBER
A 9/10 I-Grade added. Reflected throughout the data sheet 1 to 18
LTC3568
18
3568fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2007
LT 0910 REV A • PRINTED IN USA
PV
IN
LTC3568
PGOOD PGOOD
SW
SV
IN
SYNC/MODE
V
FB
I
TH
SHDN/R
T
L1
1µH
V
OUT
1.8V
AT 1.8A
V
IN
2.5V
TO 4.2V
SGND PGND
R5
100k
C4 22pF
R4
154k
R3
10k
R1
698k
R2
887k
3568 TA02
C3
1000pF
C7
47pF
C1
10µF
x2
C1, C2: MURATA GRM319R60J106KE01B
L1: COOPER SD10-1R0
C2
10µF
x3
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LTC3406/LTC3406B 600mA (I
OUT
), 1.5MHz, Synchronous Step-Down DC/DC Converter 96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 20µA, I
SD
<1µA, ThinSOT™ Package
LTC3407/LTC3407-2 Dual 600mA/800mA (I
OUT
), 1.5MHz/2.25MHz, Synchronous Step-Down
DC/DC Converter
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 40µA, I
SD
<1µA, MS10E and DFN Packages
LTC3410/LTC3410B 300mA (I
OUT
), 2.25MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 26µA, I
SD
<1µA, SC70 Package
LTC3411 1.25A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 96% Efficiency, V
IN
: 2.6V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 60µA, I
SD
<1µA, MS10 and DFN Packages
LTC3412 2.5A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 96% Efficiency, V
IN
: 2.6V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 62µA, I
SD
<1µA, TSSOP-16E and QFN Packages
LTC3531/LTC3531-3/
LTC3531-3.3
200mA (I
OUT
), 1.5MHz, Synchronous Buck-Boost DC/DC Converter 95% Efficiency, V
IN
: 1.8V to 5.5V, V
OUT(MIN)
: 2V to 5V,
I
Q
= 16µA, I
SD
<1µA, ThinSOT and DFN Packages
LTC3532 500mA (I
OUT
), 2MHz, Synchronous Buck-Boost DC/DC Converter 95% Efficiency, V
IN
: 2.4V to 5.5V, V
OUT(MIN)
: 2.4V to
5.25V, I
Q
= 35µA, I
SD
<1µA, MS10 and DFN Packages
LTC3542 500mA (I
OUT
), 2.25MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 26µA, I
SD
<1µA, DFN Package
LTC3544 Quad 300mA + 2x 200mA + 100mA 2.25MHz, Synchronous Step-Down
DC/DC Converter
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 70µA, I
SD
<1µA, QFN Package
LTC3547/LTC3547B Dual 300mA 2.25MHz, Synchronous Step-Down DC/DC Converter 96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 40µA, I
SD
<1µA, DFN Package
LTC3548/LTC3548-1/
LTC3548-2
Dual 400mA and 800mA (I
OUT
), 2.25MHz, Synchronous Step-Down
DC/DC Converter
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 40µA, I
SD
<1µA, MS10E and DFN Packages
LTC3560 800mA (I
OUT
), 2.25MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 16µA, I
SD
<1µA, ThinSOT Package
1mm Height, 2MHz, Li-Ion to 1.8V Converter Efficiency vs Load Current
LOAD CURRENT (mA)
EFFICIENCY (%)
95
65
90
85
80
75
70
60
1 100 1000 10000
3568 TA03
10
V
OUT
= 1.8V
f
O
= 2MHz
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

LTC3568EDD#TRPBF

Mfr. #:
Buy LTC3568EDD#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1.8A, 4MHz, Sync Buck DC/DC Conv
Lifecycle:
New from this manufacturer.
Delivery:
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