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LTC1772IS6 Datasheet(PDF) 11 Page - Linear Technology

Part # LTC1772IS6
Description  Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1772IS6 Datasheet(HTML) 11 Page - Linear Technology

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LTC1772
1772fb
LTC1772 High Efficiency, Small Footprint 3.3V to 1.8V/0.5A Regulator
ITH/RUN
LTC1772
R4
10k
R1
0.15
R2
100k
R3
80.6k
L1
10
µH
M1
D1
C3
220pF
GND
VFB
6
5
4
1772 TA02
1
2
3
PGATE
VIN
SENSE
C1
10
µF
10V
VIN
3.3V
VOUT
1.8V
0.5A
C2
47
µF
6V
+
C1: TAIYO YUDEN CERAMIC
LMK325BJ106K-T
C2: SANYO POSCAP 6TPA47M
D1: MOTOROLA MBRM120T3
L1: COILTRONICS UP1B-100
M1: Si3443DV
R1: DALE 0.25W
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.
PACKAGE DESCRIPTION
TYPICAL APPLICATIO
S6 Package
6-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1636)
1.50 – 1.75
(NOTE 4)
2.80 BSC
0.30 – 0.45
6 PLCS (NOTE 3)
DATUM ‘A’
0.09 – 0.20
(NOTE 3)
S6 TSOT-23 0302
2.90 BSC
(NOTE 4)
0.95 BSC
1.90 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
0.62
MAX
0.95
REF
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
1.4 MIN
2.62 REF
1.22 REF


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