S-1165 Series
www.sii-ic.com
© Seiko Instruments Inc., 2002-2010
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR
Rev.4.0
_00
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
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.
•
High peak current capability: 200 mA output is possible (at V
IN
≥
V
OUT(S)
+
1.0 V)
*1
Ensures long battery life.
•
Built-in ON/OFF circuit:
70 dB typ. (at 1.0 kHz)
•
High ripple rejection:
•
Built-in overcurrent protector: Overcurrent of output transistor can be restricted.
•
Lead-free, Sn 100%, halogen-free
*2
*1.
Attention should be paid to the power dissipation of the package when the output current is large.
*2.
Refer to “
Product Name Structure”
for details.
•
Output voltage:
•
High-accuracy output voltage:
•
Low dropout voltage:
•
Low current consumption:
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
•
SOT-23-5
Seiko Instruments Inc.
1
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.0
_00
S-1165 Series
Block Diagram
*1
VIN
Overcurrent
protector
VOUT
ON/OFF
ON/OFF
circuit
+
−
Reference
voltage circuit
VSS
*1.
Parasitic diode
Figure 1
2
Seiko Instruments Inc.
Rev.4.0
_00
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1165 Series
Product Name Structure
•
The product types and output voltage for the S-1165 Series can be selected at the user’s request. Refer
to the “1.
Product name”
for the meanings of the characters in the product name, “2.
Package”
regarding the package drawings and “3.
Product name list”
for the full product names.
1. Product name
S-1165
x
xx
MC
−
xxx
TF
x
Environmental code
U: Lead-free (Sn 100%), halogen-free
G: Lead-free (for details, please contact our sales office)
IC direction in tape specifications
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
A: ON/OFF pin negative logic
B: ON/OFF pin positive logic
*3
*1
*1.
Refer to the tape 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”.
2. Package
Package Name
SOT-23-5
Drawing Code
Tape
MP005-A-C-SD
Package
MP005-A-P-SD
Reel
MP005-A-R-SD
Seiko Instruments Inc.
3
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.0
_00
S-1165 Series
3. Product name list
Table 1
Output Voltage
Product Name
1.5V±1.0%
S-1165B15MC-N6ATFx
1.6V±1.0%
S-1165B16MC-N6BTFx
1.7V±1.0%
S-1165B17MC-N6CTFx
1.8V±1.0%
S-1165B18MC-N6DTFx
1.9V±1.0%
S-1165B19MC-N6ETFx
2.0V±1.0%
S-1165B20MC-N6FTFx
2.1V±1.0%
S-1165B21MC-N6GTFx
2.2V±1.0%
S-1165B22MC-N6HTFx
2.3V±1.0%
S-1165B23MC-N6ITFx
2.4V±1.0%
S-1165B24MC-N6JTFx
2.5V±1.0%
S-1165B25MC-N6KTFx
2.6V±1.0%
S-1165B26MC-N6LTFx
2.7V±1.0%
S-1165B27MC-N6MTFx
2.8V±1.0%
S-1165B28MC-N6NTFx
2.9V±1.0%
S-1165B29MC-N6OTFx
3.0V±1.0%
S-1165B30MC-N6PTFx
3.1V±1.0%
S-1165B31MC-N6QTFx
3.2V±1.0%
S-1165B32MC-N6RTFx
3.3V±1.0%
S-1165B33MC-N6STFx
3.4V±1.0%
S-1165B34MC-N6TTFx
3.5V±1.0%
S-1165B35MC-N6UTFx
3.6V±1.0%
S-1165B36MC-N6VTFx
3.7V±1.0%
S-1165B37MC-N6WTFx
3.8V±1.0%
S-1165B38MC-N6XTFx
3.9V±1.0%
S-1165B39MC-N6YTFx
4.0V±1.0%
S-1165B40MC-N6ZTFx
4.1V±1.0%
S-1165B41MC-N7ATFx
4.2V±1.0%
S-1165B42MC-N7BTFx
4.3V±1.0%
S-1165B43MC-N7CTFx
4.4V±1.0%
S-1165B44MC-N7DTFx
4.5V±1.0%
S-1165B45MC-N7ETFx
4.6V±1.0%
S-1165B46MC-N7FTFx
4.7V±1.0%
S-1165B47MC-N7GTFx
4.8V±1.0%
S-1165B48MC-N7HTFx
4.9V±1.0%
S-1165B49MC-N7ITFx
5.0V±1.0%
S-1165B50MC-N7JTFx
5.1V±1.0%
S-1165B51MC-N7KTFx
5.2V±1.0%
S-1165B52MC-N7LTFx
5.3V±1.0%
S-1165B53MC-N7MTFx
5.4V±1.0%
S-1165B54MC-N7NTFx
5.5V±1.0%
S-1165B55MC-N7OTFx
Remark 1.
Please contact the SII marketing department for type A products.
2.
x: G or U
3.
Please select products of environmental code = U for Sn 100%,
halogen-free products.
4
Seiko Instruments Inc.
Rev.4.0
_00
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1165 Series
Pin Configuration
SOT-23-5
Top view
5
4
Table 2
Pin No.
1
2
3
4
5
Symbol
VIN
VSS
ON/OFF
NC
*1
VOUT
Description
Input voltage pin
GND pin
Shutdown pin
No connection
Output voltage pin
1
2
3
*1.
The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Figure 2
Seiko Instruments Inc.
5
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