LTC3423 LINEAR [Linear Integrated Systems], LTC3423 Datasheet - Page 11

• Manufacturer Part Number: LTC3423
• Description: Low Output Voltage 3MHz Micropower Synchronous Boost Converters
• Manufacturer: LINEAR [Linear Integrated Systems]

PACKAGE DESCRIPTIO
TYPICAL APPLICATIO
(.0120 .0015)
3.05 0.38
TYP
2.2 F
GAUGE PLANE
V
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
(.206)
(.007)
DD
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.
C1
IN
5.23
MIN
0.18
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
RECOMMENDED SOLDER PAD LAYOUT
U
V
+
–
DD
V
IN
U
0.254
(.010)
= 2.7V TO 5.5V
4.7 F
= 0.9V TO 1.5V
1
CELL
1 = Burst Mode OPERATION
C2
Single Cell to 1.8V at 300mA, 1.8mm High
0 = FIXED FREQ
DETAIL “A”
(Reference LTC DWG # 05-08-1661)
DETAIL “A”
0.889 0.127
(.035 .005)
(.126 – .136)
3.2 – 3.45
10-Lead Plastic MSOP
0 – 6 TYP
(.0197)
10
0.50
BSC
6
3
2
1
R
30.1k
t
(.021 .006)
V
SHDN
V
MODE/SYNC
R
0.53 0.01
DD
IN
t
MS Package
f
OSC
LTC3423
4.7 H
L1
= 1MHz
C1: TAIYO YUDEN JMK212BJ225MG
C2: TAIYO YUDEN JMK212BJ475MM
C3: TAIYO YUDEN JMK325BJ226MM
D1: ON SEMICONDUCTOR MBRM120T3
L1: SUMIDA CDRH3D16-4R7M
SEATING
PLANE
V
GND
OUT
SW
FB
V
C
4
7
8
9
5
(.118 .004)
3.00 0.102
(.007 – .011)
(.192 .004)
0.17 – 0.27
(NOTE 3)
4.88 0.10
D1
R
82k
C4
470pF
C
(.043)
MAX
1.10
(.0197)
10
0.50
TYP
1 2 3 4 5
C5
4.7pF
9
8
7 6
R2
249k
R1
110k
LTC3423/LTC3424
3423/24 TA04
(.118 .004)
3.00 0.102
V
1.8V
300mA
C3
22 F
(.0196 .003)
0.497 0.076
(.034)
OUT
0.86
NOTE 4
REF
(.005 .002)
0.13 0.05
MSOP (MS) 1001
REF
11
34234f