S-818A40AMC-BGUT2G Seiko Instruments, S-818A40AMC-BGUT2G Datasheet - Page 22
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S-818A40AMC-BGUT2G
Manufacturer Part Number
S-818A40AMC-BGUT2G
Description
IC REG LDO 250MA 4V SOT23-5
Manufacturer
Seiko Instruments
Datasheet
1.S-818A20AMC-BGAT2G.pdf
(32 pages)
Specifications of S-818A40AMC-BGUT2G
Regulator Topology
Positive Fixed
Voltage - Output
4V
Voltage - Input
Up to 10V
Voltage - Dropout (typical)
0.2V @ 60mA
Number Of Regulators
1
Current - Output
250mA (Min)
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5, SC-74A, SOT-25
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
10 V
Output Voltage
4 V
Output Type
Fixed
Dropout Voltage (max)
0.26 V
Output Current
250 mA
Line Regulation
0.2 % / V
Load Regulation
50 mV
Voltage Regulation Accuracy
2 %
Maximum Power Dissipation
0.6 W
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
S-818A40AMC-BGUT2G
Manufacturer:
SEIKO/精工
Quantity:
20 000
3. Power fluctuation
Load dependencies of overshoot
22
V
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
DD
dependencies of overshoot
10V
4V
3V
0.6
0.4
0.2
0.6
0.4
0.2
1.E−05 1.E−04 1.E−03 1.E−02 1.E−01 1.E+00
0
0
0
V
V
OUT
V
IN
IN
=V
V
IN
OUT(S)
2
=V
OUT(S)
+1 V→V
CL=2 μ F
TIME(50usec/div)
+1 V→V
V
V
I
4
OUT
OUT
OUT
V
DD
DD
V
=2 V
[A]
=2 V
, I
IN
[V]
OUT(S)
OUT
=4 → 10V I
6
=30 mA, C
CL=4.7 μ F
3 V
+2 V, C
3 V
8
L
=2 μF
OUT
L
=2 μF
5 V
5 V
Seiko Instruments Inc.
=30mA
10
Temperature dependence
C
L
dependence of overshoot
10V
4V
3V
0.06
0.05
0.04
0.03
0.02
0.01
0.05
0.04
0.03
0.02
0.01
V
0
IN
0
V
−50
=V
V
IN
1
OUT
OUT(S)
V
IN
+1 V→V
=V
5 V
OUT(S)
V
TIME(50usec/div)
OUT
CL=2 μ F
0
+1 V→V
OUT(S)
=2 V
V
OUT
CL=4.7 μ F
Ta [°C]
C
+2 V, I
V
=2 V
L
10
IN
OUT(S)
[μF]
=10 → 4V I
3 V
OUT
+2 V, I
50
3 V
5 V
=30 mA, C
OUT
OUT
Rev.3.0
=30 mA
L
=30mA
=2 μF
100
100
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