S-818A40AMC-BGUT2G Seiko Instruments, S-818A40AMC-BGUT2G Datasheet - Page 24
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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
Load current dependence of load fluctuation overshoot C
Remark ΔI
24
4. Load fluctuation
V
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
DD
30mA
dependencies of overshoot
10 μ A
3V
1.0
0.8
0.6
0.4
0.2
0.0
fluctuation while smaller current is fixed to
10 µA. For example ΔI
load current fluctuation from 10 mA to 10 µA.
0.3
0.2
0.1
1.E−03
0
OUT
0
V
OUT
shows larger load current at load current
I
OUT
V
IN
2
=V
1.E−02
DD
TIME(50 μ sec/div)
, I
CL=2 μ F
V
CL=4.7 μ F
OUT
OUT
ΔI
V
4
I
=30 mA→10 μA, C
OUT
IN
V
OUT
=2 V
=V
DD
=10 μ A → 30mA V
[A]
OUT
OUT(S)
[V]
3 V
3 V
1.E−01
6
=1.E−02 (A) means
+1 V, C
5 V
V
OUT
5 V
L
8
=2 μF
=2 V
L
=2 μF
Seiko Instruments Inc.
1.E+00
IN
10
=4V
Temperature dependence of overshoot
L
dependence of overshoot
30mA
10 μ A
3V
0.25
0.15
0.05
0.15
0.05
0.3
0.2
0.1
0.2
0.1
0
0
−50
I
OUT
V
1
OUT
V
5 V
IN
=V
V
OUT(S)
V
OUT
CL=2 μ F
IN
=V
TIME(20msec/div)
=2 V
+1 V, I
OUT(S)
0
V
CL=4.7 μ F
I
OUT
OUT
3 V
Ta [°C]
C
,+1 V, I
OUT
=2 V
L
10
=30mA → 10 μ A V
[μF]
=30 mA→10 μA, C
5 V
OUT
3 V
50
=30 mA→10 μA
Rev.3.0
L
=2 μF
IN
100
100
=4V
_00