S-817A21ANB-CUKT2G Seiko Instruments, S-817A21ANB-CUKT2G Datasheet - Page 14
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S-817A21ANB-CUKT2G
Manufacturer Part Number
S-817A21ANB-CUKT2G
Description
IC REG LDO 35MA 2.1V SC-82AB
Manufacturer
Seiko Instruments
Datasheet
1.S-817A33ANB-CUWT2G.pdf
(53 pages)
Specifications of S-817A21ANB-CUKT2G
Regulator Topology
Positive Fixed
Voltage - Output
2.1V
Voltage - Input
Up to 10V
Voltage - Dropout (typical)
0.4V @ 10mA
Number Of Regulators
1
Current - Output
35mA (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
2.1 V
Output Voltage Tolerance
+/- 2 %
Output Type
Fixed
Dropout Voltage (max)
1.58 V
Output Current
50 mA
Line Regulation
20 mV
Load Regulation
30 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
14
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-817 Series
6. Temperature coefficient of output voltage
The shadowed area in Figure 13 is the range where V
when the temperature coefficient of the output voltage is ±100 ppm/°C.
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
*1. Change in temperature of output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
Δ
Δ
V
Ta
OUT
[
mV/
°
C
]
*1
=
V
OUT(S)
*1. V
V
[ ]
V
OUT(E)
V
2 *
OUT
OUT(E)
[V]
×
*1
Δ
Ta
Δ
is the value of the output voltage measured at 25°C.
V
•
OUT
V
−40
OUT
Seiko Instruments Inc.
[
ppm/
Ex. S-817A15 Typ.
°
C
⎛
⎜
⎝
]
ΔTa
3 *
Figure 13
ΔV
÷
1000
25
•
OUT
V
OUT
OUT
⎞
⎟
⎠
varies in the operating temperature range
85
+0.15 mV / °C
−0.15 mV / °C
Ta [°C]
Rev.5.0
_00