LTC1871EMS-7 Linear Technology, LTC1871EMS-7 Datasheet - Page 31

• Manufacturer Part Number: LTC1871EMS-7
• Description: IC MULTI CONFIG SYNC ADJ 10MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Flyback, Sepicr

Specifications of LTC1871EMS-7

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 36 V
• Current - Output: 50mA
• Frequency - Switching: 50kHz ~ 1MHz
• Voltage - Input: 6 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL APPLICATIONS
PACKAGE DESCRIPTION
8V TO 25V
V
BATT
(.0120 ± .0015)
0.305 ± 0.038
TYP
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)
5.23
MIN
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
C50
4μF
X7R
RECOMMENDED SOLDER PAD LAYOUT
100pF
R37
75k
1%
R43
13.3k
1%
C46
BZX84C15V
CR4
R46
47k
R45
33.2k
C47
6800pF
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.
0.889 ± 0.127
(.035 ± .005)
(.126 – .136)
3.20 – 3.45
(.0197)
R47
133k
1%
0.50
BSC
Q6
FMMT451
GAUGE PLANE
(.007)
4
1
1
2
3
4
5
•
•
0.18
RUN
I
FB
FREQ
MODE/SYNC
TH
(Reference LTC DWG # 05-08-1661)
12
9
Automotive SEPIC Converter
LTC1871-7
VP5-0155
GND
5
•
•
2
10-Lead Plastic MSOP
V
IN
(.010)
0.254
T1
9
6
11
INTV
SENSE
8
GATE
MS Package
CC
6
•
•
3
DETAIL “A”
10
8
7
DETAIL “A”
10
7
+
0° – 6° TYP
C49
4.7μF
(.021 ± .006)
0.53 ± 0.152
SEATING
R59
0.005Ω
1W
1%
PLANE
MBR10100
Q9
Si4486EY
SO-8
C52
4.7μF
X7R
×2
CR21
(.118 ± .004)
3.00 ± 0.102
(.007 – .011)
(.193 ± .006)
0.17 – 0.27
4.90 ± 0.152
(NOTE 3)
TYP
R60
124k
1%
R61
12.4k
1%
(.043)
MAX
1.10
(.0197)
CR22
1N4148
C53
22μF
16V
X5R
×2
0.50
BSC
10
1 2 3 4 5
9
8
C55
4.7μF
16V
X7R
×2
7 6
(OPTIONAL HF FILTER)
LTC1871-7
+
(.118 ± .004)
3.00 ± 0.102
150Ω 3A
BEAD 1B
C51
150μF
35V
(.0196 ± .003)
0.497 ± 0.076
(.034)
(NOTE 4)
0.86
REF
0.1016 ± 0.0508
L7
MSOP (MS) 0307 REV E
(.004 ± .002)
18717 TA04
REF
C57
10μF
X5R
(OPTIONAL
HF FILTER)
31
V
13.5V
3A
OUT
18717fc