LT1085CM-3.3#PBF Linear Technology, LT1085CM-3.3#PBF Datasheet - Page 16
LT1085CM-3.3#PBF
Manufacturer Part Number
LT1085CM-3.3#PBF
Description
IC LDO REG FIXED 3.3V 3A DDPAK-3
Manufacturer
Linear Technology
Specifications of LT1085CM-3.3#PBF
Regulator Topology
Positive Fixed
Voltage - Output
3.3V
Voltage - Input
Up to 25V
Voltage - Dropout (typical)
1.3V @ 3A
Number Of Regulators
1
Current - Output
3A
Current - Limit (min)
3.2A
Operating Temperature
0°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
TO-263-2, D⊃2Pak (2 leads + Tab), TO-263AB
Primary Input Voltage
20V
Output Voltage Fixed
3.3V
Dropout Voltage Vdo
1.3V
No. Of Pins
3
Output Current
3A
Operating Temperature Range
0°C To +125°C
Msl
MSL 1 - Unlimited
Rohs Compliant
Yes
Voltage Regulator Type
Linear
Topology
LDO
Regulator Output Type
Fixed
Polarity Type
Positive
Number Of Outputs
Single
Input Voltage (min)
4.3V
Input Voltage (max)
25V
Output Voltage
3.3V
Package Type
DDPAK
Power Dissipation
30W
Load Regulation
0.1%
Line Regulation
0.015%
Output Voltage Accuracy
±1%
Operating Temp Range
0C to 150C
Operating Temperature Classification
Commercial
Dropout Voltage@current (max)
1.5@3A
Dropout Voltage@current (typ)
1.3@3A
Pin Count
3 +Tab
Mounting
Surface Mount
Quiescent Current (max)
10mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
PACKAGE DESCRIPTION
LT1083/LT1084/LT1085
16
(1.524)
.060
HATCHED AREA IS SOLDER PLATED
RECOMMENDED SOLDER PAD LAYOUT
BOTTOM VIEW OF DD PAK
.100
COPPER HEAT SINK
(10.67 – 12.19)
(8.13 – 8.89)
.320 – .350
.420 – .480
(6.502)
(7.620)
.256
.300
.420
(1.524)
(1.905)
.075
.060
.070
(4.648)
.183
(19.30 – 19.69)
.090
.760 – .775
.350
.565
(0.965 – 1.09)
.038 – .043
(1.524)
.060
TYP
(8.382 – 9.398)
(
3.632
.330 – .370
.143
OBSOLETE PACKAGE
+0.305
–0.508
+.012
–.020
(Reference LTC DWG # 05-08-1310)
(Reference LTC DWG # 05-08-1460)
(1.524 – 3.429)
NOTE:
1. DIMENSIONS IN INCH/(MILLIMETER)
2. DRAWING NOT TO SCALE
.060 – .135
)
2-Lead TO-3 Metal Can
3-Lead Plastic DD Pak
M Package
K Package
(10.80 – 11.05)
(1.270)
.425 – .435
.050
(5.33 – 5.59)
.210 – .220
(2.54)
.100
BSC
(9.906 – 10.541)
.390 – .415
(1.70 – 1.96)
.067 – .077
15°
.080
FOR THICKER SOLDER PASTE APPLICATIONS
.205
.320
(29.90 – 30.40)
1.177 – 1.197
RECOMMENDED SOLDER PAD LAYOUT
(4.191 – 4.572)
.100
.165 – .180
(0.330 – 0.584)
.013 – .023
(1.499)
(12.45 – 12.95)
.059
.490 – .510
.420
.276
R
(16.64 – 17.15)
.655 – .675
(4.24 – 4.49)
.167 – .177
.070
(3.86 – 4.09)
.151 – .161
DIA, 2PLCS
R
(1.143 – 1.397)
.090
(
0.102
(2.413 – 2.921)
.325
.045 – .055
K2 (TO-3) 080
.004
(1.270 ± 0.305)
.095 – .115
M (DD3) 0204
.050 ± .012
+0.203
–0.102
+.008
–.004
.565
)
108345fg