3A Fixed Low Dropout
Linear Regulator (LDO)
L1085-3.3
TO-252,263,220
NIKO-SEM
ABSOLUTE MAXIMUM RATINGS
Operating Junction
Temperature Range
Storage Temperature
Range
Lead Temperature
(Soldering, 10 Seconds)
z
z
Maximum Supply Voltage
7V
0 to 125 °C
z
Internally
Limited
Power Dissipation
-40 to 150 °C
z
z
Thermal Resistance
z
5 °C/W
260 °C
Junction to Case,
θJC
Thermal Resistance
Junction to Ambient,
TO-263
TO-252
TO-220
z
θJA
60 °C/W
70 °C/W
50 °C/W
(Unless otherwise specified, T = 25 °C.)
ELECTRICAL CHARACTERISTICS
A
Parameter
Symbol
Test Conditions
Typical
Limits
Output Voltage
(Fixed Version)
Dropout Voltage
3.234VMin
3.367VMax
1.50V
Vo
VIN = 5V, IOUT = 10mA
REF = 1%, IOUT = 3A
3.3V
VD
REG(LINE)
1.3V
0.5%
0.5%
V
Δ
Line Regulation
2%
2.5%
(VOUT + 1.5V) V
7V, IOUT = 10mA
≤
≤
IN
Load Regulation
Minimum Load
Current
GND Pin Current
Current Limit
REG
(LOAD) (V -V ) = 3V, 10mA I
≤
OUT
3A
≤
IN
OUT
IO
IGND
ICL
10mA
1.5V (V -V ) 5.75V
≤
≤
IN
OUT
55 A
100 A
µ
µ
VIN - VOUT = 2V
5.0A
4.0A (Min)
0.003%
of VOUT
RMS Output Noise
VN
RA
Ripple Rejection
Ratio
f = 120Hz, CADJ = 22 F for ADJ pin,
VIN = 5V, IOUT = 3A
µ
72dB
60dB (Min)
DEVICE SELECTION GUIDE
Device
Package
Marking
L1085D-3.3
TO-252
L1085S-3.3
L1085S3-3.3 L1085T-3.3 L1085S5-3.3
TO-263 (2-Lead) TO-263 (3-Lead) TO-220 TO-263 (5-Lead)
L1085-33
L1085-33
L1085-33
L1085-33
L1085-33
JUL-05-2001
2
ETC [ ETC ]
