S-1701A3024-M5T1G Seiko Instruments, S-1701A3024-M5T1G Datasheet - Page 40
S-1701A3024-M5T1G
Manufacturer Part Number
S-1701A3024-M5T1G
Description
IC DETECT/REG 400MA 3.0V SOT23-5
Manufacturer
Seiko Instruments
Datasheet
1.S-1701A1815-M5T1G.pdf
(71 pages)
Specifications of S-1701A3024-M5T1G
Applications
Converter, Battery Powered Devices
Voltage - Input
2 ~ 6.5 V
Number Of Outputs
1
Voltage - Output
3V
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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40
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
S-1701 Series
Regulator block
1. Basic operation
2. Output transistor
Operation
Figure 34 shows the block diagram of the regulator block.
The error amplifier compares the reference voltage (V
feedback resistors R
output voltage free of any fluctuations of input voltage and temperature.
Output voltage is selectable from the range of 1.5 to 5.0 V in the S-1701 Series.
The S-1701 Series uses a low on-resistance P-channel MOS FET as the output transistor.
Be sure that V
current flowing from the VOUT pin through a parasitic diode to the VIN pin.
OUT
*1. Parasitic diode
Current
supply
VSS
does not exceed V
VIN
s
Reference voltage
and R
V
ref
circuit
f
. It supplies the output transistor with the gate voltage necessary to ensure a certain
Figure 34 Block Diagram (Regulator Block)
IN
Error amplifier
+ 0.3 V to prevent the voltage regulator from being damaged due to inverse
−
+
Seiko Instruments Inc.
ref
) with V
fb
, which is the output voltage resistance divided by
R
R
s
f
V
*1
fb
VOUT
Rev.3.0
_00
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