S-1167 Series
www.sii-ic.com
© Seiko Instruments Inc., 2004-2010
ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION
AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0
_00
The S-1167 Series is a positive voltage regulator with ultra low current consumption, high ripple rejection, low drop voltage
and high output voltage accuracy developed based on CMOS technology.
Although current consumption is very small with 9
μA
typ., S-1167 Series realized the 70 dB of high ripple rejection rate.
Besides a 1.0
μF
ceramic capacitor is available as an input-and-output capacitor.
Moreover, dropout voltage is also small since output voltage accuracy realizes
±1.0%
of high accuracy, and the low-on-
resistance transistor is built-in. A built-in Output current protector prevents the load current from exceeding the current
capacitance of the output transistor. A shutdown circuit ensures long battery life.
Two packages, SOT-23-5 and SNT-6A(H), are available.
Compared with the voltage regulators using the conventional CMOS process, S-1167 Series is the most suitable for the
portable equipments with ultra low current consumption and corresponding to the small package.
Features
• Output voltage :
1.5 to 5.5 V, selectable in 0.1 V steps.
• Low equivalent series resistance capacitor can be used : A ceramic capacitor of 1.0
μF
or more can be used for the
output capacitor.
• Wide input voltage range :
2.0 to 6.5 V
• High-accuracy output voltage :
±1.0%
• Low dropout voltage :
150 mV typ. (3.0 V output product, at I
OUT
= 100 mA)
• Low current consumption :
During operation : 9
μA
typ., 16
μA
max.
During shutdown : 0.1
μA
typ., 0.9
μA
max.
• High peak current capacity :
150 mA output is possible. (at V
IN
≥
V
OUT(S)
+
1.0 V)
*1
• High ripple rejection :
70 dB typ. (at 1.0 kHz, V
OUT
= 3.0 V)
• Built-in overcurrent protector :
Overcurrent of output transistor can be restricted.
• Built-in shutdown circuit :
Ensures long battery life.
*2
• Lead-free, Sn 100%, halogen-free
*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.
Applications
• Power supply for battery-powered devices
• Power supply for cellular phones
• Power supply for portable equipments
Packages
• SOT-23-5
• SNT-6A(H)
Seiko Instruments Inc.
1
ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0
_00
S-1167 Series
Product Name Structure
The product types, output voltage value and package types for the S-1167 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-1167
x
xx
-
xxxx
x
Environmental code
U
G
: Lead-free (Sn 100%), halogen-free
: Lead-free (for details, please contact our sales office)
*1
Package name (abbreviation) and packing specifications
M5T1 : SOT-23-5, Tape
I6T2
: SNT-6A(H), Tape
Output voltage
15 to 55
(e.g. When output voltage is 1.5 V, it is expressed as 15.)
Product type
*2
A : ON / OFF pin negative logic
B : ON / OFF pin positive logic
*1.
Refer to the tape specifications.
*2.
Refer to the “3.
Shutdown (ON / OFF Pin)”
in the “
Operation”.
2.
Package
Package Name
Drawing Code
Package
MP005-A-P-SD
PI006-A-P-SD
Tape
MP005-A-C-SD
PI006-A-C-SD
Reel
MP005-A-R-SD
PI006-A-R-SD
Land
−
PI006-A-L-SD
SOT-23-5
SNT-6A(H)
Seiko Instruments Inc.
3
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