LT1085CM-3.3#PBF Linear Technology, LT1085CM-3.3#PBF Datasheet - Page 10

• 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

PACKAGE DESCRIPTIO
LT1083/LT1084/LT1085 Fixed
TYPICAL APPLICATIO S
10
(10.80 – 11.05)
(10.67 – 12.19)
.425 – .435
(8.13 – 8.89)
.320 – .350
.420 – .480
(5.33 – 5.59)
.210 – .220
OBSOLETE PACKAGE
(1.70 – 1.96)
2-Lead TO-3 Metal Can
.067 – .077
(LTC DWG # 05-08-1310)
K Package
(19.30 – 19.69)
(29.90 – 30.40)
1.177 – 1.197
.760 – .775
110VAC
(0.965 – 1.09)
F-269U
TRIAD
.038 – .043
1N4003
T1
(12.45 – 12.95)
.490 – .510
R
82k
10k
* 1% FILM RESISTOR
L-DALE TO-5 TYPE
T2-STANCOR 11Z-2003
REGULATOR WITH SCR PREREGULATOR TO
LOWER POWER DISSIPATION. ABOUT 1.7V
DIFFERENTIAL IS MAINTAINED ACROSS THE
LT1083 INDEPENDENT OF LOAD CURRENT.
(1.524 – 3.429)
(16.64 – 17.15)
.060 – .135
.655 – .675
C30B
C30B
(4.24 – 4.49)
1N4003
.167 – .177
20Ω
20Ω
U
(3.86 – 4.09)
.151 – .161
DIA, 2PLCS
R
1N4148
U
K2 (TO-3) 0801
1μF
3
15k
560Ω
1
T2
4
2
7
2
3
–15V
+
–
(24.892 – 27.178)
4
8
LT1011
LT1011
.980 – 1.070
1
1
1N4003
–15V
7.5A Regulator
8
15V
1MH
–
+
L
4
(13.208 – 14.478)
(9.906 – 10.541)
(11.684 – 12.700)
3
2
7
.390 – .415
.520 – .570
.460 – .500
15V
(2.540)
15V
+
.100
BSC
15k
C1
50,000μF
200k
10k
2N3904
0.1μF
(0.711 – 0.965)
.028 – .038
NC
6
15V
16k*
11k*
8
LT1004-1.2
1N914
100pF
7
LM301A
1μF
4
–15V
IN
IN
1
+
–
(LTC DWG # 05-08-1420)
3-Lead Plastic TO-220
LT1083-12 OUT
3
2
(5.842 – 6.858)
(8.382 – 9.398)
(5.537 – 6.401)
GND
(1.270)
.050
.230 – .270
.330 – .370
.218 – .252
TYP
T Package
(3.734 – 3.937)
OUT
.147 – .155
(14.478 – 15.748)
DIA
.570 – .620
16k*
11k*
LT1083/4/5 TA05
+
100μF
(4.191 – 4.572)
(0.330 – 0.584)
12V
0A TO 7.5A
.165 – .180
.013 – .023
(2.413 – 2.921)
(1.143 – 1.397)
.045 – .055
.095 – .115
T3 (TO-220) 0801
1083ffd