S-817A18ANB-CUHT2G Seiko Instruments, S-817A18ANB-CUHT2G Datasheet - Page 26

• Manufacturer Part Number: S-817A18ANB-CUHT2G
• Description: IC REG LDO 20MA 1.8V SC-82AB
• Manufacturer: Seiko Instruments

Specifications of S-817A18ANB-CUHT2G

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 10V
• Voltage - Dropout (typical): 0.58V @ 10mA
• Number Of Regulators: 1
• Current - Output: 20mA (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: 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
• 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

1. 1 At powering on S-817A30A (when using a ceramic capacitor, C
26
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-817 Series
Load dependencies of overshoot at powering on
V
DD
(0.5 V/div)
Reference Data
V
1. Transient Response Characteristics (Typical data: Ta=25 °C)
In p u t v o lta g e
O u tp u t v o lta g e
OUT
L o a d c u rre n t
dependencies of overshoot at powering on
0.05
0.04
0.03
0.02
0.01
0.05
0.04
0.03
0.02
0.01
10 V
3 V
0 V
o r
0
1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01
0
0
V
IN
2
= 0 V → 10 V, I
V
V
IN
TIME(100 μ s/div)
2V
2V
=0 V→V
OUT
4
=0 V→V
I
V
OUT
DD
(V)
(A)
DD,
OUT
3V
OUT(S)
I
= 10 mA, C
OUT
6
=10 mA, C
O v e rs h o o t
+2 V, C
3V
8
5V
L
L
=1 μF
Seiko Instruments Inc.
5V
= 1 μ F
L
=1 μF
10
C
“Ta” dependencies of overshoot at powering on
L
dependencies of overshoot at powering on
0.05
0.04
0.03
0.02
0.01
0.05
0.04
0.03
0.02
0.01
0
0
0.01
-50
L
V
=1 μF)
IN
=0 V→V
V
0.1
IN
OUT(S)
0
=0 V→V
2V
C
+2 V, I
Ta(°C)
L
5V
(μF)
OUT(S)
3V
OUT
U n d e rs h o o t
+2 V, I
=10 mA, C
3V
50
1
5V
OUT
Rev.5.0
2V
=10 mA
L
=1 μF
100
10
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