SPX3819S-L Exar Corporation, SPX3819S-L Datasheet - Page 2

• Manufacturer Part Number: SPX3819S-L
• Description: IC REG LDO ADJ 500MA 8SOIC
• Manufacturer: Exar Corporation
• Series: -r

Specifications of SPX3819S-L

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Regulator Topology: Positive Adjustable
• Voltage - Output: Adjustable
• Voltage - Input: 2.5 V ~ 16 V
• Voltage - Dropout (typical): 0.34V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 16 V
• Output Voltage: Adustable
• Output Type: Adjustable
• Dropout Voltage (max): 340 mV
• Output Current: 100 mA
• Load Regulation: 0.05 %
• Voltage Regulation Accuracy: 0.01 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Current - Limit (min): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

NOTES
Note 1: The maximum allowable power dissipation is a function of maximum operating junction temperature, T
Note 2: Not applicable to output voltage 2V or less.
July 2008 Rev F
Power Dissipation ...................................................... Internally Limited
Lead Temp. (Soldering, 5 Seconds) ........................................... 260°C
Operating Junction Temperature Range ................... -40°C to +125°C
Input Supply Voltage ........................................................ -20V to +20V
Enable Input Voltage ........................................................ -20V to +20V
T
specifications which apply over full operating temperature range -40°C to +85°C, unless otherwise specified.
Input Voltage ................................................................... +2.5V to+16V
Operating Junction Temperature Range ................... -40°C to +125°C
Enable Input Voltage ........................................................... 0.0V to V
Output Voltage Temperature Coef.
Quiescent Current (I
PARAMETER
Output Voltage Tolerance
Line Regulation
Load Regulation
Dropout Voltage
(V
Ground Pin Current (I
Ripple Rejection (PSRR)
Current Limit (I
Output Noise (e
Input Voltage Level Logic Low (V
Input Voltage Level Logic High (V
ENABLE Input Current
Thermal Resistance (Note 1)
J
=25°C, V
IN
-V
O
resistance, and the ambient θ
given: P
go into thermal shutdown. The θ
)(Note 2)
OUT
D(max)
LIMIT
NO
+ 1V, for 1.2V Option V
)
)
GND
= (T
GND
)
J(max)
)
-T
A
)/θ
IL
IH
)
JA
)
JA
, exceeding the maximum allowable power limit will result in excessive die temperature; thus, the regulator will
, and the ambient temperature T
JA
of the SPX3819 is 220°C/W mounted on a PC board.
SPX3819 500mA, Low Noise LDO Voltage Regulator
MIN
-1
-2
2
IN
=V
OUT
128.4
+ 1.2V I
TYP
0.04
0.05
0.05
0.01
125
180
340
250
800
300
191
1.0
6.5
57
10
90
70
40
59
3
IN
RECOMMENDED OPERATING CONDITIONS
A
2
. The maximum allowable power dissipation at any ambient temperature is
L
MAX
25.0
30.0
175
250
350
450
550
700
150
190
650
900
950
0.2
0.2
0.1
0.4
2.0
2.5
0.4
=100µA, C
+1
+2
60
80
20
3
8
2
ppm/°C
UNITS
µV
µV
°C/W
°C/W
°C/W
%/V
mV
mV
mV
mV
mA
mA
mA
µA
µA
µA
dB
µA
%
%
V
V
RMS
RMS
ELECTRICAL CHARACTERISTICS
L
=1µF, and V
ABSOLUTE MAXIMUM RATINGS
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
ENABLE
V
V
V
Ta = 25°C to 85°C
CONDITIONS
I
I
I
I
IL = 500mA
V
V
I
I
I
I
V
I
(10Hz-100kHz)
I
C
OFF
ON
V
V
SOT-23-5 / Junction to Ambient
NSOIC-8 / Junction to Ambient
DFN-8 / Junction to Ambient
L
L
L
L
L
L
L
L
L
L
IN
IN
IN
ENABLE
ENABLE
OUT
=10mA, C
=10mA, C
IL
IH
IN
= 150mA
= 0.1mA to 500mA
= 100µA
= 50mA
= 150mA
= 100µA
= 50mA
= 500mA
≤ 0.4V
=1µF, (10Hz-100kHz)
≥ 2.0V
= V
= V
= V
J(max)
= 0.0V
EN
EN
≥ 2.4V. The
OUT
≤ 0.4V
≤ 0.25V
the junction to ambient thermal
=V
=V
L
L
+1 to 16V and V
=1.0µF, C
=10µF, C
OUT
OUT
© 2008 Exar Corporation
+1
+1 to 16V
BYP
IN
=1µF,
♦
8V
=1µF,
denotes the
EN
6V