LT1764EQ-1.8 Linear Technology, LT1764EQ-1.8 Datasheet - Page 15

• Manufacturer Part Number: LT1764EQ-1.8
• Description: IC LDO REG LOW NOISE 1.8V 3A 5DD
• Manufacturer: Linear Technology

Specifications of LT1764EQ-1.8

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: 2.7 ~ 20 V
• Voltage - Dropout (typical): 0.34V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Current - Limit (min): 3.1A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-5, D²Pak (5 leads + Tab), TO-263BA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q1144907

TYPICAL APPLICATIO S
TO 140V AC
90V AC
ALL “V
POINTS
TO
+
”
L1: COILTRONICS CTX500-2-52
L2: STANCOR P-8560
*1% FILM RESISTOR
“SYNC”
L2
+
1N4002
1N4002
10V AC
AT 115V
10V AC
AT 115V
22µF
SCR Preregulator Provides Efficiency Over Line Variations
U
IN
IN
NTE5437
NTE5437
2.4k
750Ω
1N4002
1N4148
1k
0.033µF
–
+
1/2 LT1018
C1A
500µH
V
L1
+
750Ω
+
1/2 LT1018
10000µF
C1B
1N4148
+
–
V
V
+
+
34k*
12.1k*
200k
10k
1N4148
IN
SHDN
0.1µF
LT1764-3.3
GND
1µF
OUT
FB
LT1006
V
+
A1
+
–
+
22µF
LT1764 Series
10k
V
3.3V
3A
OUT
1764 TA03
10k
LT1004
1.2V
V
+
15
1764fb