LT1085CM-3.3#PBF Linear Technology, LT1085CM-3.3#PBF Datasheet - Page 3
LT1085CM-3.3#PBF
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
CONDITIONS
LT1084-3.3
LT1085-3.3
LT1085-3.6
LT1085-3.6
LT1083/4/5-5
LT1083/4/5-12 I
LT1084-3.3
LT1085-3.3
LT1085-3.6
LT1083/4/5-5
LT1083/4/5-12 I
LT1084-3.3
LT1085-3.3
LT1085-3.6
LT1083/4/5-5
LT1083/4/5-12 V
LT1084/5-3.3
LT1085-3.6
LT1083/4/5-5
LT1083/4/5-12 ΔV
LT1083-5
LT1083-12
LT1084-3.3
LT1084-5
LT1084-12
LT1085-3.3/3.6 V
LT1085-5
LT1085-12
I
4.8V ≤ V
V
4.8V ≤ V
V
5V ≤ V
5V ≤ V
5V ≤ V
V
V
V
I
0 ≤ I
0 ≤ I
I
4.8V ≤ V
4.8V ≤ V
I
V
V
V
V
ΔV
ΔV
ΔV
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
= 5V, I
= 5V, I
= 4.75V, I
= 4.75V, I
= 4.75V, I
= 5V, 0 ≤ I
= 5V, 0 ≤ I
= 5.25V, 0 ≤ I
= 8V, 0 ≤ I
= 15V, 0 ≤ I
= 10V
= 17V
= 10V
= 17V
= 10V
= 17V
= 8V
= 8V
OUT
OUT
= 0mA, T
= 0mA, T
= 0mA, T
= 0mA, T
= 0mA, T
= 0mA, T
IN
IN
IN
= 33mV, I
= 36mV, I
= 50mV, I
= 120mV, I
IN
IN
≤ I
≤ I
IN
IN
≤ 15V, 0 ≤ I
≤ 15V, 0 ≤ I
≤ 15V, 0 ≤ I
OUT
OUT
≤ 15V, 0 ≤ I
≤ 15V, 0 ≤ I
≤ 15V, I
≤ 15V, I
FULLOAD
FULLOAD
OUT
OUT
OUT
J
J
J
J
J
J
OUT
OUT
OUT
= 0mA, T
= 0mA, T
= 25°C, V
= 25°C, V
= 25°C, V
= 25°C, 4.8V ≤ V
= 25°C, 6.5V ≤ V
= 25°C, 13.5V ≤ V
OUT
OUT
OUT
OUT
OUT
= 3A, T
= 2.5A, T
= 1.5A, T
OUT
≤ 5A, T
≤ 3A, T
≤ I
OUT
OUT
, 6.5V ≤ V
, 13.5V ≤ V
≤ I
A
OUT
OUT
OUT
= I
= I
= I
FULLLOAD,
≤ 3A, T
= 25°C.
= I
FULLLOAD,
OUT
OUT
= 0mA, T
= 0mA, T
J
J
FULL LOAD
FULL LOAD
FULL LOAD
J
FULL LOAD
IN
IN
IN
= 25°C (K Package Only)
= 25°C (K Package Only)
≤ I
≤ I
≤ 2.5A (Notes 3, 4, 9)
J
J
≥ 0°C
J
J
≤ I
≤ I
= 25°C
= 25°C
= 8V (K Package Only)
= 8V (K Package Only)
= 15V (K Package Only)
The
FULLOAD
FULLOAD
≥ 0°C
> 0°C
J
IN
FULLOAD
FULLOAD
IN
= 25°C
T
≤ 20V (Notes 4, 6, 7, 9)
IN
J
J
IN
J
T
●
≤ 25V (Notes 4, 6, 7, 9)
= 25°C
= 25°C
IN
J
= 25°C (Notes 2, 3, 4, 6)
(Notes 5, 6)
(Notes 5, 6)
(Notes 5, 6)
≤ 15V
≤ 20V (Notes 2, 3)
(Notes 5, 6)
denotes the specifications which apply over the full operating
= 25°C (Notes 2, 3, 4, 6)
, TJ ≥ 0°C (Notes 3, 4, 9)
≤ 25V (Notes 2, 3)
(Note 9)
(Notes 3, 4, 9)
(Notes 3, 4, 9)
LT1083/LT1084/LT1085 Fixed
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
11.880
11.760
3.270
3.235
3.270
3.235
3.564
3.500
3.528
3.528
3.350
3.450
3.528
4.950
4.900
MIN
8.0
8.0
5.5
5.5
5.5
3.2
3.2
3.2
12.000
12.000
3.300
3.300
3.300
3.300
3.600
5.000
5.000
TYP
0.5
1.0
0.5
1.0
0.5
1.0
0.5
1.0
1.0
2.0
1.3
1.3
1.3
1.3
9.5
9.5
6.5
6.5
6.5
4.0
4.0
4.0
12
10
24
3
7
3
7
3
7
5
12.120
12.240
3.330
3.365
3.330
3.365
3.636
3.672
3.672
3.672
3.672
3.672
3.672
5.050
5.100
MAX
1.5
1.5
1.5
1.5
10
10
25
25
15
20
15
20
15
20
20
35
36
72
6
6
6
6
6
6
UNITS
1083ffd
3
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A
A
A