S-817A18ANB-CUH-T2 Seiko Instruments, S-817A18ANB-CUH-T2 Datasheet - Page 10

• 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

10
*1. V
*2. Output current at which output voltage becomes 95 % of V
*3. V
*4. Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation.
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-817 Series
Output voltage
Output current
Dropout voltage
Line regulation 1
Line regulation 2
Load regulation
Output voltage
temperature coefficient
Current consumption
Input voltage
2. S-817B series
V
after gradually decreasing input voltage.
OUT(S)
OUT(E)
drop
*1. Temperature change ratio of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
∆
∆
= V
V
Item
Ta
: Specified output voltage
: Effective output voltage
OUT
i.e., the output voltage when fixing I
IN1
[
*2
− (V
*1
mV/
*3
OUT(E)
°
C
*4
]
1 *
× 0.98), where V
=
∆
Symbol
∆ V
∆ V
∆ V
Ta
V
V
∆
V
OUT(E)
I
OUT(S)
V
V
I
OUT
•
drop
SS
OUT1
OUT2
OUT3
OUT
IN
V
OUT
[ ]
V
V
2 V
V
2 *
V
≤ V
I
mA
V
I
V
V
−40°C ≤ Ta ≤ 85°C
V
−
OUT
OUT
IN
IN
OUT(S)
OUT(S)
OUT(S)
IN
IN
=V
×
=V
IN
= V
= V
IN1
= 10
= 1 mA
∆
≤10 V 2.0 V ≤ V
OUT(S)
OUT(S)
Ta
+2 V 1.1 V ≤ V
∆
+ 1 V ≤ V
+ 1 V ≤ V
OUT(S)
OUT(S)
is the Input voltage at which output voltage becomes 98 % of V
Seiko Instruments Inc.
V
•
OUT
+
OUT
+2 V, I
V
3.0 V ≤ V
4.0 V ≤ V
5.0 V ≤ V
1.1 V ≤ V
1.5 V ≤ V
2.0 V ≤ V
2.5 V ≤ V
3.0 V ≤ V
3.5 V ≤ V
4.0 V ≤ V
4.5 V ≤ V
5.0 V ≤ V
5.5 V ≤ V
1.1 V ≤ V
1 µA ≤ I
2.0 V ≤ V
1 µA ≤ I
3.0 V ≤ V
1 µA ≤ I
4.0 V ≤ V
1 µA ≤ I
5.0 V ≤ V
1 µA ≤ I
OUT
Conditions
+ 1 V, I
+ 2 V, no load
( = 10 mA) and inputting V
Table 10
[
IN
IN
ppm/
OUT
≤ 10 V,
≤ 10 V, I
OUT
OUT
OUT
OUT
OUT
OUT
=10 mA
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
°
C
= 10 mA,
≤ 10 mA
≤ 20 mA
≤ 30 mA
≤ 40 mA
≤ 50 mA
]
3 *
OUT(E)
OUT
≤ 1.9 V
≤ 2.9 V
≤ 3.9 V
≤ 4.9 V
≤ 6.0 V
≤ 1.4 V
≤ 1.9 V
≤ 2.4 V
≤ 2.9 V
≤ 3.4 V
≤ 3.9 V
≤ 4.4 V
≤ 4.9 V
≤ 5.4 V
≤ 6.0 V
≤ 1.9 V,
≤ 2.9 V,
≤ 3.9 V,
≤ 4.9 V,
≤ 6.0 V,
÷
= 1 µA
1000
after gradually increasing output current.
V
× 0.98
Min.
OUT(S)
(Ta = 25 ° C unless otherwise specified)
20
35
50
65
75
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
OUT(S)
V
+ 2.0 V.
±100
Typ.
0.92
0.58
0.40
0.31
0.25
0.22
0.19
0.18
0.16
0.15
OUT(S)
1.2
10
20
25
35
−
−
−
−
−
5
5
5
−
V
× 1.02
Max.
1.58
0.99
0.67
0.51
0.41
0.35
0.30
0.27
0.25
0.23
OUT(S)
2.5
20
20
20
30
45
65
80
10
−
−
−
−
−
−
Units
ppm
mA
mV
/°C
µA
V
V
V
Rev.3.0
Measur-
circuits
ement
OUT(E)
1
3
1
2
1
_00