LT1764AEQ-3.3#PBF Linear Technology, LT1764AEQ-3.3#PBF Datasheet - Page 13

• Manufacturer Part Number: LT1764AEQ-3.3#PBF
• Description: IC LDO LOW NOISE 3A 3.3V DDPAK-5
• Manufacturer: Linear Technology

Specifications of LT1764AEQ-3.3#PBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 20V
• 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
• Primary Input Voltage: 20V
• Output Voltage Fixed: 3.3V
• Dropout Voltage Vdo: 340mV
• No. Of Pins: 5
• Output Current: 3A
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10
20
50
10
20
10
20
50
0
5
0
5
0
5
20µs/DIV
20µs/DIV
Figure 3
Figure 4
Figure 5
20µs/DIV
1764A F04
1764A F03
1764A F05
A
B
C
V
I
C
V
I
C
V
I
C
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 1A WITH
= 1A WITH
= 1A WITH
= 1.2V
= 10µF CERAMIC
= 2.5V
= 10µF CERAMIC
= 5V
= 10µF CERAMIC
1A PULSE
1A PULSE
1A PULSE
20µs/DIV
Figure 9
10
20
10
20
10
20
1764A F09
0
5
0
5
0
5
V
I
C
A = 10µF CERAMIC
B = 10µF CERAMIC IN PARALLEL WITH 22µF/
C = 10µF CERAMIC IN PARALLEL WITH 100µF/
OUT
OUT
OUT
45mΩ POLY
35mΩ POLY
= 1A WITH 1A PULSE
= 1.2V
=
Figure 6
20µs/DIV
Figure 7
Figure 8
20µs/DIV
20µs/DIV
LT1764A Series
1764A F08
1764A F06
1764A F07
V
I
C
V
I
C
V
I
C
OUT
LOAD
LOAD
OUT
OUT
OUT
OUT
OUT
OUT
= 1A WITH
= 1.2V
= 100µF CERAMIC
= 5V
= 100µF CERAMIC
= 2.5V
= 100µF CERAMIC
= 1A WITH
= 1A WITH
1A PULSE
1A PULSE
1A PULSE
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