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LTC3407EDD-2#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
LTC3407-2
13
34072fc
TYPICAL APPLICATIONS
Low Ripple Buck Regulators Using Ceramic Capacitors
Effi ciency vs Load Current
RUN2 V
IN
V
IN
= 2.5V
TO 5.5V
V
OUT2
= 1.8V
AT 800mA
V
OUT1
= 1.2V
AT 800mA
RUN1
POR
SW1
V
FB1
GND
V
FB2
SW2
MODE/SYNC
LTC3407-2
C1
10MF
R5
100k
POWER-ON
RESET
C4, 22pFC5, 22pF
L1
4.7MH
L2
4.7MH
R4
887k
R2
604k
R1
604k
R3
442k
C3
10MF
C2
10MF
3407 TA03
C1, C2, C3: TAIYO YUDEN JMK316BJ106ML L1, L2: SUMIDA CDRH2D18/HP-4R7NC
LOAD CURRENT (mA)
EFFICIENCY (%)
10 100 1000
3407 TA03b
100
95
90
85
80
75
70
65
60
55
50
1.8V
1.2V
V
IN
= 3.3V
PULSE-SKIPPING MODE
NO LOAD ON OTHER CHANNEL
LTC3407-2
14
34072fc
PACKAGE DESCRIPTION
TYPICAL APPLICATIONS
1.2mm Height Core Supply
Effi ciency vs Load Current
RUN2 V
IN
V
IN
= 3.6V
TO 5.5V
V
OUT2
= 3.3V
AT 800mA
V
OUT1
= 1.8V
AT 800mA
RUN1
POR
SW1
V
FB1
GND
V
FB2
SW2
MODE/SYNC
LTC3407-2
C1*
4.7μF
R5
100k
POWER-ON
RESET
C4, 22pFC5, 22pF
L1
2.2μH
L2
2.2μH
R4
887k
R2
604k
R1
301k
R3
196k
C3
4.7μF
s2
C2
4.7μF
s2
3407 TA07
C1, C2, C3: TDK C1608X5ROJ475M
L1, L2: CMD4D11-2R2
*IF C1 IS GREATER THAN 3" FROM POWER SOURCE,
ADDITIONAL CAPACITANCE MAY BE REQUIRED.
LOAD CURRENT (mA)
1
EFFICIENCY (%)
100
95
90
85
80
75
70
65
60
10 100 1000
3407 TA08
3.3V
1.8V
V
IN
= 5V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
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
3.00 ±0.10
(4 SIDES)
0.75 ±0.05
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
0.25 ± 0.05
2.38 ±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 ±0.05
(2 SIDES)2.15 ±0.05
0.50
BSC
0.70 ±0.05
3.55 ±0.05
PACKAGE
OUTLINE
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
(2 SIDES)
R = 0.125
TYP
2.38 ±0.10
(2 SIDES)
15
106
(DD) DFN REV B 0309
0.25 ± 0.05
0.50 BSC
DD Package
10-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1699 Rev B)
LTC3407-2
15
34072fc
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.
MSE Package
10-Lead Plastic MSOP, Exposed Die Pad
(Reference LTC DWG # 05-08-1664 Rev C)
MSOP (MSE) 0908 REV C
0.53 p 0.152
(.021 p .006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.17 – 0.27
(.007 – .011)
TYP
0.86
(.034)
REF
0.50
(.0197)
BSC
12
3
45
4.90 p 0.152
(.193 p .006)
0.497 p 0.076
(.0196 p .003)
REF
8910
10
1
7
6
3.00 p 0.102
(.118 p .004)
(NOTE 3)
3.00 p 0.102
(.118 p .004)
(NOTE 4)
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.254
(.010)
0o – 6o TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
0.889 p 0.127
(.035 p .005)
RECOMMENDED SOLDER PAD LAYOUT
0.305 p 0.038
(.0120 p .0015)
TYP
2.083 p 0.102
(.082 p .004)
2.794 p 0.102
(.110 p .004)
0.50
(.0197)
BSC
BOTTOM VIEW OF
EXPOSED PAD OPTION
1.83 p 0.102
(.072 p .004)
2.06 p 0.102
(.081 p .004)
0.1016 p 0.0508
(.004 p .002)
DETAIL “B”
DETAIL “B”
CORNER TAIL IS PART OF
THE LEADFRAME FEATURE.
FOR REFERENCE ONLY
NO MEASUREMENT PURPOSE
0.05 REF
0.29
REF
PACKAGE DESCRIPTION
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

LTC3407EDD-2#PBF

Mfr. #:
Buy LTC3407EDD-2#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Dual, Sync. 800mA 2.25MHz Step-dwn Convrtr in DFN
Lifecycle:
New from this manufacturer.
Delivery:
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