Rev.3.1
_00
HIGH RIPPLE-REJECTION
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1165 Series
The S-1165 Series is a positive voltage regulator
with a low dropout voltage, high output voltage
accuracy, and low current consumption developed
based on CMOS technology.
A built-in low on-resistance transistor provides a
low dropout voltage and large output current, and a
built-in overcurrent protector prevents the load
current from exceeding the current capacitance of
the output transistor. An ON/OFF circuit ensures a
long battery life, and a small SOT-23-5 package
realizes high-density mounting.
Features
•
Output voltage:
•
High-accuracy output voltage:
•
Low dropout voltage:
•
Low current consumption:
•
High peak current capability:
•
Built-in ON/OFF circuit:
•
High ripple rejection:
•
Built-in overcurrent protector:
•
Small package:
•
Lead-free products
1.5 V to 5.5 V, selectable in 0.1 V steps.
±1.0%
140 mV typ. (3.0 V output product, I
OUT
=
200 mA)
During operation: 35
μA
typ., 65
μA
max.
During shutdown: 0.1
μA
typ., 1.0
μA
max.
200 mA output is possible (at V
IN
≥
V
OUT(S)
+
1.0 V)
*1
Ensures long battery life.
70 dB typ. (at 1.0 kHz)
Overcurrent of output transistor can be restricted.
SOT-23-5
*1.
Attention should be paid to the power dissipation of the package when the output current is large.
Applications
•
Power supply for battery-powered devices
•
Power supply for personal communication devices
•
Power supply for home electric/electronic appliances
•
Power supply for cellular phones
Package
Package Name
SOT-23-5
Package
MP005-A
Drawing Code
Tape
MP005-A
Reel
MP005-A
Seiko Instruments Inc.
1
Rev.3.1
_00
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1165 Series
Product Code Structure
•
The product types and output voltage for the S-1165 Series can be selected at the user’s request. Refer
to the “Product name” for the meanings of the characters in the product name and “Product name list”
for the full product names.
1. Product name
S-1165
x
xx
MC
–
xxx
TF
G
IC direction in tape specifications
*1
Product name (abbreviation)
*2
Package name (abbreviation)
MC: SOT-23-5
Output voltage
15 to 55
(e.g., when the output voltage is 1.5 V,
it is expressed as 15.)
Product type
*3
A: ON/OFF pin negative logic
B: ON/OFF pin positive logic
*1.
Refer to the taping specifications at the end of this book.
*2.
Refer to the “Product name list”.
*3.
Refer to 3. Shutdown pin (ON/OFF pin) in the “Operation”.
Seiko Instruments Inc.
3
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