S-817A30ANB-CUTT2G Seiko Instruments, S-817A30ANB-CUTT2G Datasheet - Page 17
![IC REG LDO 50MA 3.0V SC-82AB](/photos/12/66/126681/s-817a30anb-cutt2g_sml.jpg)
S-817A30ANB-CUTT2G
Manufacturer Part Number
S-817A30ANB-CUTT2G
Description
IC REG LDO 50MA 3.0V SC-82AB
Manufacturer
Seiko Instruments
Datasheet
1.S-817A33ANB-CUWT2G.pdf
(53 pages)
Specifications of S-817A30ANB-CUTT2G
Regulator Topology
Positive Fixed
Voltage - Output
3V
Voltage - Input
Up to 10V
Voltage - Dropout (typical)
0.25V @ 10mA
Number Of Regulators
1
Current - Output
50mA (Min)
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SC-70-4, SC-82-4, SOT-323-4, SOT-343
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
12 V
Output Voltage
3 V
Output Voltage Tolerance
+/- 2 %
Output Type
Fixed
Dropout Voltage (max)
1.58 V
Output Current
50 mA
Line Regulation
20 mV
Load Regulation
45 mV
Voltage Regulation Accuracy
2 %
Maximum Power Dissipation
400 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
728-1027-2
Rev.5.0
2. Constant Current Circuit
The following graphs show the examples of input-output voltage characteristics (Ta = 25 ° C, typ.) in the
output current boosting circuit as seen in Figure 15:
1. 1 S-817A11ANB/S-817B11AMC
2. 1 Constant Current Circuit
2. 2 Constant Current Boosting Circuit
_00
1.20
1.10
1.00
0.90
0.80
0.70
0.60
Tr1 : 2SA1213Y, R
R
2
1.4
: 2 Ω
1 mA
1.5
10 mA
50 mA
100 mA
1.6
1.7
V
GND
IN
V
GND
1.8
IN
1
V
: 1 k Ω , C
IN
1.9
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
VIN
(V)
C
C
IN
IN
2
R
200 mA
1
2.1
L
400 mA
: 10 μ F,
Tr1
Seiko Instruments Inc.
600 mA
2.2
800 mA
S-817
VSS
Series
2.3
S-817
Series
VSS
2.4
Figure 16
Figure 17
VOUT
1. 2 S-817A50ANB/S-817B50AMC
VOUT
5.20
5.10
5.00
4.90
4.80
4.70
4.60
Tr1 : 2SA1213Y, R
R
2
5.2
: 10 Ω
V
V
O
R
O
R
5 mA
L
L
10 mA
5.3
I
O
50 mA
V0
I
V0
O
100 mA
5.4
Device
5.5
Device
1
V
: 200 Ω , C
IN
(V)
5.6
200 mA
400 mA
S-817 Series
5.7
L
: 10 μ F,
600 mA
800 mA
5.8
5.9
17