LD1085D2M18R STMicroelectronics, LD1085D2M18R Datasheet - Page 9

• Manufacturer Part Number: LD1085D2M18R
• Description: IC REG LDO POS 1.8V 3.0A D2PAK/A
• Manufacturer: STMicroelectronics

Specifications of LD1085D2M18R

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 30V
• Voltage - Dropout (typical): 1.3V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-3, D²Pak (3 leads + Tab), TO-263AA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Other names: 497-3421-2; 497-3421-3; 497-3421-3

Table 6.
1. See short-circuit current curve for available output current at fixed dropout.
Symbol
SVR
ΔV
ΔV
V
eN
V
I
I
S
S
sc
q
O
d
O
O
Output voltage
Line regulation
Load regulation
Dropout voltage
Quiescent current
Short circuit current
Thermal regulation
Supply voltage rejection
RMS output noise voltage (%
of V
Temperature stability
Long term stability
Electrical characteristics of LD1085#25
V
O
I
)
= 5.5 V, C
Parameter
(1)
I
= C
O
=10 µF, T
I
I
I
I
I
I
I
V
V
V
T
f = 120 Hz, C
V
T
T
O
O
O
O
O
O
O
A
A
A
I
I
I
I
A
= 0 mA, T
= 0 to 3 A, V
= 0 mA, V
= 0 mA, V
= 0 to 3 A, T
= 0 to 3 A
= 3 A
≤ 30 V
- V
- V
= 7.5 ± 3 V
= 25°C, 30ms pulse
= 25°C, f =10 Hz to 10 kHz
= 125°C, 1000 Hrs
Doc ID 6738 Rev 25
= -40 to 125 °C, unless otherwise specified.
O
O
= 5 V
= 25 V
Test condition
J
I
I
O
= 4.1 to 18 V, T
= 4.1 to 18 V
= 25°C
J
I
= 25µF, I
= 4.1 to 30 V
= 25°C
O
= 3 A
J
= 25°C
2.475
Min.
2.45
3.2
0.2
60
0.008
0.003
Typ.
2.5
2.5
0.2
0.4
1.3
4.5
0.5
0.5
0.5
72
2
4
5
2.525
Max.
2.55
0.04
1.5
10
20
10
4
4
%/W
Unit
mV
mV
mV
mV
mA
dB
%
%
%
V
V
V
A
A
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