S-817A18ANB-CUH-T2 Seiko Instruments, S-817A18ANB-CUH-T2 Datasheet - Page 29

• Manufacturer Part Number: S-817A18ANB-CUH-T2
• Description: Low Dropout (LDO) Regulators 1.8V 1.2uA 2.0%
• Manufacturer: Seiko Instruments

Specifications of S-817A18ANB-CUH-T2

• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 12 V
• Output Voltage: 1.8 V
• Output Voltage Tolerance: +/- 2 %
• Output Type: Fixed
• Dropout Voltage (max): 1.58 V
• Output Current: 50 mA
• Line Regulation: 20 mV
• Load Regulation: 20 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SC-82AB
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1. 4 Load fluctuation S-817A30A/S-817B30A (when using a ceramic capacitor, C
Rev.3.0
Load current dependencies of overshoot at load
fluctuation
V
DD
(0.2 V/div)
V
OUT
dependencies of overshoot at load fluctuation
30 mA
10 µA
1.5
0.5
0.15
0.05
0.2
0.1
2
1
0
1.E-05
3 V
0
_00
0
I
OUT
1.E-04
V
IN
=30 mA→10 µA,V
=V
2
V
IN
OUT(S)
=V
1.E-03
DD
TIME(20 ms/div)
+2 V, I
, I
4
I
OUT
OUT
V
DD
=10 mA,→10 µA, C
OUT
2V
(A)
(V)
1.E-02
=I
2V
L
IN
→ 10 µA, C
6
=5 V, C
5V
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
3V
1.E-01
L
8
=1 µF
L
=1 µF
Seiko Instruments Inc.
3V
5V
L
=1 µF
1.E+00
10
C
“Ta” dependencies of overshoot at load fluctuation
L
dependencies of overshoot at load fluctuation
0.8
0.6
0.4
0.2
0.15
0.05
1
0
0.2
0.1
0.01
0
-50
V
IN
3V
=V
2V
OUT(S)
V
IN
3V
+2 V, I
2V
0.1
=V
0
OUT(S)
5V
OUT
C
Ta(°C)
L
L
+2 V, I
=10 mA→10 µA, C
(µF)
=1 µF)
5V
OUT
1
50
=10 mA→10 µA
S-817 Series
L
=1 µF
10
100
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