LTC3873-5
13
38735fb
TYPICAL APPLICATIONS
–10V to –15V V
IN
, –5V V
OUT
Negative-to-Negative (Negative Buck) Converter
IPRG
I
TH
V
FB
= 1.2V
GND
1
2
3
4
8
7
6
5
SW
RUN/SS
V
CC
NGATE
LTC3873-5
C1
F
C4
10µF
25V
C3
4.7nF
C2
0.1µF
C
OUT
100µF
6.3V
s3
R5
10k
12 3
3873-3 TA05
654
Q2
BC857
Q1
R1
301
R2
1.2k
R3
15k
R4
4.99k
J3
GND
J1
GND
J4
–V
OUT
–5V
3A
J2
–V
IN
–10V TO –15V
D1
L1
6.4µH
LTC3873-5
14
38735fb
PACKAGE DESCRIPTION
TS8 Package
8-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1637)
1.50 – 1.75
(NOTE 4)
2.80 BSC
0.22 – 0.36
8 PLCS (NOTE 3)
DATUM ‘A’
0.09 – 0.20
(NOTE 3)
TS8 TSOT-23 0802
2.90 BSC
(NOTE 4)
0.65 BSC
1.95 BSC
0.80 – 0.90
1.00 MAX
0.01 – 0.10
0.20 BSC
0.30 – 0.50 REF
PIN ONE ID
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
3.85 MAX
0.52
MAX
0.65
REF
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
1.4 MIN
2.62 REF
1.22 REF
LTC3873-5
15
38735fb
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.
PACKAGE DESCRIPTION
DDB Package
8-Lead Plastic DFN (3mm × 2mm)
(Reference LTC DWG # 05-08-1702 Rev B)
2.00 p0.10
(2 SIDES)
NOTE:
1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229
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
0.56 p 0.05
(2 SIDES)
0.75 p0.05
R = 0.115
TYP
R = 0.05
TYP
2.15 p0.05
(2 SIDES)
3.00 p0.10
(2 SIDES)
14
85
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
0 – 0.05
(DDB8) DFN 0905 REV B
0.25 p 0.05
0.50 BSC
PIN 1
R = 0.20 OR
0.25 s 45o
CHAMFER
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.25 p 0.05
2.20 p0.05
(2 SIDES)
0.61 p0.05
(2 SIDES)
1.15 p0.05
0.70 p0.05
2.55 p0.05
PACKAGE
OUTLINE
0.50 BSC

LTC3873ETS8-5#TRMPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators No Rsense Constant Frequency Current Mode Boost/Flyback/SEPIC DC/DC Controller
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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