LT1764AEQ-3.3#PBF Linear Technology, LT1764AEQ-3.3#PBF Datasheet - Page 3

• 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

ELECTRICAL CHARACTERISTICS
The
ADJ Pin Voltage
(Notes 3, 4)
Line Regulation
Load Regulation
Dropout Voltage
V
(Notes 5, 6, 11)
GND Pin Current
V
(Notes 5, 7)
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
SHDN Pin Current
(Note 9)
Quiescent Current in Shutdown
Ripple Rejection
PARAMETER
IN
IN
= V
= V
●
OUT(NOMINAL)
OUT(NOMINAL)
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
+ 1V
LT1764A-2.5 V
LT1764A-3.3 V
LT1764A
LT1764A-1.5
LT1764A-1.8
LT1764A-2.5
LT1764A-3.3
LT1764A (Note 3) ∆V
LT1764A-1.5
LT1764A-1.8
LT1764A-2.5
LT1764A-3.3
LT1764A (Note 3) V
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
C
(Notes 3, 8)
V
V
V
V
V
V
f
CONDITIONS
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
RIPPLE
OUT
OUT
OUT
SHDN
SHDN
IN
IN
= 6V, V
– V
= 10µF, I
= Off to On
= On to Off
= 1mA
= 1mA
= 100mA
= 100mA
= 500mA
= 500mA
= 1.5A
= 1.5A
= 3A
= 3A
= 0mA
= 1mA
= 100mA
= 500mA
= 1.5A
= 3A
= 0V
= 20V
OUT
= 120Hz, I
SHDN
= 1.5V (Avg), V
3.5V < V
4.3V < V
V
E Grade: 2.7V < V
MP Grade: 2.8V < V
LOAD
IN
IN
IN
= 0V
LOAD
= 3V, I
= 3.8V, I
= 2.21V, I
∆V
∆V
∆V
∆V
V
V
V
V
V
V
V
V
E Grade: V
MP Grade: V
= 3A, BW = 10Hz to 100kHz
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 2.7V, ∆I
= 2.7V, ∆I
= 2.8V, ∆I
= 2.8V, ∆I
= 3.5V, ∆I
= 3.5V, ∆I
= 4.3V, ∆I
= 4.3V, ∆I
= 2.7V, ∆I
IN
IN
= 1.5A
= 2.21V to 20V, I
= 2.3V to 20V, I
= 3V to 20V, I
= 3.8V to 20V, I
= 2.21V to 20V, I
LOAD
< 20V, 1mA < I
< 20V, 1mA < I
LOAD
RIPPLE
LOAD
IN
= 1mA
IN
= 2.7V, ∆I
= 1mA
IN
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
= 1mA
= 0.5V
= 2.8V, ∆I
IN
< 20V, 1mA < I
< 20V, 1mA < I
= 1mA to 3A
= 1mA to 3A
= 1mA to 3A
= 1mA to 3A
= 1mA to 3A
= 1mA to 3A
= 1mA to 3A
= 1mA to 3A
= 1mA to 3A
LOAD
LOAD
LOAD
P-P
LOAD
LOAD
LOAD
LOAD
LOAD
,
= 1mA
LOAD
= 1mA
= 1mA
< 3A
< 3A
= 1mA
= 1mA
= 1mA to 3A
= 1mA to 3A
LOAD
LOAD
< 3A
< 3A
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
2.462
2.412
3.250
3.183
1.192
1.168
1.168
0.25
MIN
55
LT1764A Series
2.500
2.500
3.300
3.300
1.210
1.210
1.210
0.02
0.07
0.14
0.25
0.34
0.75
0.01
0.01
120
TYP
2.5
4.5
1.1
3.5
0.9
11
40
40
63
3
4
2
3
4
4
4
2
1
3
7
A
= 25°C. (Note 2)
2.538
2.575
3.350
3.400
1.228
1.246
1.246
0.05
0.10
0.13
0.18
0.20
0.27
0.33
0.40
0.45
0.66
MAX
200
1.5
1.6
10
10
10
10
10
23
25
10
30
12
40
20
20
18
75
10
30
7
8
5
5
2
1
1
µV
1764afb
UNITS
3
RMS
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
dB
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V