LT1085CM-3.3#PBF Linear Technology, LT1085CM-3.3#PBF Datasheet - Page 15

• 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

TYPICAL APPLICATION
28V
V
IN
10k
High Effi ciency Regulator with Switching Preregulator
1k
V
V
TTL
*NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS
†
IN
IN
V
OUT
1M
LT1011
+
+
= 1.25V 1 + R2
MR1122
1.2V to 15V Adjustable Regulator
C1*
10μF
10μF
1mH
1k
+
–
5V Regulator with Shutdown*
*OUTPUT SHUTS DOWN TO 1.3V
IN
(
IN
+
1k
R1
1N914
LT1083
LT1083
ADJ
)
ADJ
28V
10,000μF
2N3904
R2
1k
4N28
10k
10k
OUT
OUT
470Ω
1N914
28V
IN
R1
90.9Ω
365Ω
1%
121Ω
1%
LT1083
ADJ
+
LT1083/LT1084/LT1085
+
1083/4/5 ADJ TA09
1083/4/5 ADJ TA08
C2
100μF
100μF
V
OUT
V
5V
OUT
OUT
†
1083/4/5 ADJ TA06
2k
240Ω
V
OUT
15
108345fg