S-1701A1815-M5T1G Seiko Instruments, S-1701A1815-M5T1G Datasheet - Page 38
S-1701A1815-M5T1G
Manufacturer Part Number
S-1701A1815-M5T1G
Description
IC DETECT/REG 400MA 1.8V SOT23-5
Manufacturer
Seiko Instruments
Datasheet
1.S-1701A1815-M5T1G.pdf
(71 pages)
Specifications of S-1701A1815-M5T1G
Applications
Converter, Battery Powered Devices
Voltage - Input
2 ~ 6.5 V
Number Of Outputs
1
Voltage - Output
1.8V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5, SC-74A, SOT-25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
S-1701 Series
5. Oscillation
6. Other characteristics
In applications where a resistor is connected to the input side (Figure 32), the through-type current which is generated
when the output goes from low to high (release) causes a voltage drop equal to [through-type current] × [input
resistance] across the resistor. When the input voltage drops below the detection voltage as a result, the output
voltage goes from high to low. In this state, the through-type current stops, its resultant voltage drop disappears, and
the output goes from low to high. The through-type current is then generated again, a voltage drop appears, and
repeating the process finally induces oscillation.
6. 1 Temperature characteristics of detection voltage
The shaded area in Figure 33 is the range where −V
temperature coefficient of the output voltage is ±140 ppm/°C.
Figure 32 Example of Bad Implementation of Detection Voltage Changer
3.000
−V
Figure 33 Detection Voltage Temperature Characteristics
VSS
VIN
DET
[V]
Example of products with −V
−40
R
R
Seiko Instruments Inc.
a
b
V
IN
DET
detector
S-1701
25
block
varies within the operating temperature range when the
DET
= 3.0 V
85
+0.42 mV/°C
−0.42 mV/°C
VDOUT
Ta [°C]
Rev.3.0
_00
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