SI91821DH-AD-T1-E3 Vishay, SI91821DH-AD-T1-E3 Datasheet - Page 2

• Manufacturer Part Number: SI91821DH-AD-T1-E3
• Description: IC, ADJ LDO REG, 1.5V TO 5V, 0.3A, MSOP8
• Manufacturer: Vishay

Specifications of SI91821DH-AD-T1-E3

• Primary Input Voltage: 6V
• Output Voltage Adjustable Range: 1.5V To 5V
• Dropout Voltage Vdo: 120mV
• No. Of Pins: 8
• Output Current: 300mA
• Operating Temperature Range: -40°C To +85°C
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 6 V
• Output Voltage: 1.5 V to 5 V
• Output Type: Adjustable
• Dropout Voltage (max): 0.02 V at 10 mA
• Line Regulation: 10 mV
• Load Regulation: 30 mV
• Voltage Regulation Accuracy: 1.5 %
• Maximum Power Dissipation: 0.666 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MSOP-8
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si91821
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Input Voltage, V
SD Input Voltage, V
Output Current, I
Output Voltage, V
Maximum Junction Temperature, T
Storage Temperature, T
ESD (Human Body Model)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE
Input Voltage, V
Output Voltage, V
SD Input Voltage, V
C
C
C
www.vishay.com
2
SPECIFICATIONS
Input Voltage
Output Voltage
Output Voltage Accuracy
Output Voltage Accuracy
(to stated output voltage)
Feedback Voltage (ADJ Version)
Feedback Voltage (ADJ Version)
Line Regulation
(Except 5-V Version)
Line Regulation (5-V Version)
Line Regulation (ADJ Version)
Line Regulation (ADJ Version)
Dropout Voltage
Ground Pin Current
Shutdown Supply Current
Peak Output Current
Output Noise Voltage
Output Noise Voltage
Ripple Rejection
IN
OUT
IN
pp
= 2.2 mF, C
w C
p
Range = 1 mF to 10 mF ("10%, x5R or x7R type)
OUT
j
Parameter
g
OUT
IN
IN
OUT
d
OUT
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SD
SD
= 2.2 mF (ceramic, X5R or X7R type) , C
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STG
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
J(max)
V
V
IN
DV
DV
DV
V
Symbol
. . . . . . . . . . . . . . . . . . . . . . .
IN
IN
OUT
I
OUT
OUT
I
O(peak)
V
V
V
V
V
I
IN(off)
V
V
V
− V
GND
GND
OUT
OUT
OUT
e
e
SET
SET
OUT(nom)
IN
N
N
/DV
OUT
OUT
100
100
−0.3 V to V
IN
IN
Short Circuit Protected
BW = 10 Hz to 100 kHz
BW = 10 Hz to 100 kHz
C
BW = 10 to 100 kHz
−55_C to 150_C
NOISE
V
Unless Otherwise Specified
IN
V
OUT
O(nom)
V
V
V
I
I
OUT
−0.3 V to V
2.35 V to 6 V
OUT
I
OUT
OUT
OUT
IN
= 2.2 mF, C
OUT
1.5 to 5.0 V
From V
= 1.5 V From V
0 V to V
= V
= 0.033 mF (ceramic)
w 0.95 x V
1 mA v I
1 mA v I
= 150 mA
= 150 mA
= 5 V From V
V
From V
= 10 mA
+ 0.3 V
Test Conditions
150_C
OUT(nom)
Adjustable Version
to V
6.5 V
2 kV
I
I
I
I
IN
I
OUT
OUT
OUT
OUT
OUT
I
IN
IN
OUT
OUT
OUT(nom)
V
= V
IN
SD
OUT
OUT
= 200 mA
= 300 mA
= 200 mA
= 300 mA
= 5.5 V to 6 V
= 10 mA
OUT(nom)
OUT(nom)
+ 1 V, I
= 0 mA
= 2.2 mF, V
= 0 V
1 V I
IN
IN
v 300 mA
v 300 mA
= 2.5 V to 3.5 V
= 5.5 V to 6 V
+ 2 V
C
Power Dissipation (Package)
8-Pin MSOP
Thermal Impedance (Q
8-Pin MSOP
Notes
a.
b.
I
Operating Ambient Temperature, T
Operating Junction Temperature, T
C
OUT
OUT
, t
NOISE
NOISE
w/o C
f = 100 kHz
+ 1 V
f = 10 kHz
pw
f = 1 kHz
SD
Device mounted with all leads soldered or welded to PC board.
Derate 10 mW/_C above T
= 1 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= 2 ms
1
= 1.5 V
NOISE
= 0.1 mF
= 33 nF
A
b
b
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temp
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
JA
)
a
a
a
A
= 25_C
Min
1.191
1.179
−0.18
−0.18
−0.18
−0.18
A
J
2.35
−1.5
−2.5
500
1.5
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
b
−40 to 85_C
Limits
Typ
1.215
120
150
500
600
260
0.1
80
37
54
60
50
40
5
c
S-51147–Rev. E, 20-Jun-05
Document Number: 71614
Max
1.239
1.251
0.18
0.18
0.18
0.18
135
200
270
6.0
5.0
1.5
2.5
20
1
−40_C to 125_C
−40_C to 85_C
b
0 to 300 mA
V
185_C/W
mV (rms)
mV (rms)
666 mW
OUT(nom)
Unit
%/V
%/V
mV
mA
mA
mA
dB
%
%
V
V
V
V