13
LT3027
3027fa
TYPICAL APPLICATIO S
U
OUT1
BYP1
ADJ1
OUT2
BYP2
ADJ2
IN1
SHDN1
SHDN2
LT3027
1µF
V
IN1
3.7V TO 20V
IN2
1µF
V
IN2
2.9V TO 20V
OFF ON
0.01µF
0.01µF
422k
261k
249k
249k
10µF
10µF
3027 TA02a
3.3V
AT 100mA
2.5V
AT 100mA
GND
V
SHDN1/SHDN2
1V/DIV
V
OUT1
1V/DIV
V
OUT2
1V/DIV
2ms/DIV
3027 TA02b
C
BYP
(pF)
10
0.1
STARTUP TIME (ms)
1
10
100
100 1000 10000
3027 TA02c
Noise Bypassing Slows Startup, Allows Outputs to Track
Startup Time
Power Supply Controller Provides Coincident Tracking
OUT1
BYP1
OUT2
BYP2
LT3027
10µF
1µF
10µF243k
3027 TA04
2.5V
3.3V
V
IN
3.3V
1.8V
GND
IN1 IN2
115k
SHDN1
ADJ1
ADJ2
SHDN2
115k
93.1k
121k
255k
243k
255k
FB1
STATUS
SDO
FB2
LTC2923
GND
V
OL
GATE RAMP
RAMPBUF
TRACK2
154k
100k
ON
TRACK1
10nF
Q1
14
LT3027
3027fa
3.00 ±0.10
(4 SIDES)
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
0.38 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
(2 SIDES)
0.75 ±0.05
R = 0.115
TYP
2.38 ±0.10
(2 SIDES)
15
106
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DD10) DFN 1005
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
0.675 ±0.05
3.50 ±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.50 BSC
U
PACKAGE DESCRIPTIO
DD Package
10-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1699)
15
LT3027
3027fa
MSOP (MSE) 1005
0.53 ± 0.152
(.021 ± .006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.17 – 0.27
(.007 – .011)
TYP
0.127
± 0.076
(.005 ± .003)
0.86
(.034)
REF
0.50
(.0197)
BSC
12
3
45
4.90 ± 0.152
(.193 ± .006)
0.497 ± 0.076
(.0196 ± .003)
REF
8910
10
1
7
6
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .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)
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
0.889 ± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.305 ± 0.038
(.0120 ± .0015)
TYP
2.083 ± 0.102
(.082 ± .004)
2.794 ± 0.102
(.110 ± .004)
0.50
(.0197)
BSC
BOTTOM VIEW OF
EXPOSED PAD OPTION
1.83 ± 0.102
(.072 ± .004)
2.06 ± 0.102
(.081 ± .004)
U
PACKAGE DESCRIPTIO
MSE Package
10-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1663)
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.

LT3027EMSE#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
LDO Voltage Regulators 2x 100mA, L Drop, L N, uP Reg w/ Indepen
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union