S-L2980 Series
www.sii-ic.com
© Seiko Instruments Inc., 2001-2012
HIGH RIPPLE-REJECTION AND LOW DROPOUT
CMOS VOLTAGE REGULATOR
Rev.5.1
_00
The S-L2980 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 a large output current. A ON/OFF
circuit ensures long battery life.
Various types of output capacitors can be used in the S-L2980 Series compared with the conventional CMOS
voltage regulators. A small ceramic capacitor can also be used.
Features
•
Output voltage:
•
Output voltage accuracy:
•
Dropout voltage:
•
Current consumption:
1.5 V to 6.0 V, selectable in 0.1 V steps
±2.0 %
120 mV typ. (3.0 V output product, I
OUT
=50 mA)
During operation: 90
μA
typ., 140
μA
max.
During power-off: 0.1
μA
typ., 1.0
μA
max.
•
Output current:
Possible to output 150 mA (V
IN
≥V
OUT(S)
+1.0 V)
*1
•
Output capacitor:
A ceramic capacitor of 1.0
μF
or more can be used.
(A ceramic capacitor of 2.2
μF
or more can be used for the products whose
output voltage is 1.7 V or less.)
70 dB typ. (f=1.0 kHz)
•
Ripple rejection:
Ensures long battery life.
•
Built-in ON/OFF circuit:
•
Operation temperature range: Ta=–40°C to +85°C
•
Lead-free, Sn 100%, halogen-free
*2
*1.
Attention should be paid to the power dissipation of the package when the load is large.
*2.
Refer to “
Product Name Structure”
for details.
Applications
•
Power supply for battery-powered device
•
Power supply for personal communication device
•
Power supply for home electric/electronic appliance
•
Power supply for cellular phone
Package
•
SOT-23-5
Seiko Instruments Inc.
1
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
Block Diagram
*1
Rev.5.1
_00
VIN
VOUT
+
ON/OFF
ON/OFF circuit
−
Reference
voltage circuit
VSS
*1.
Parasitic diode
Figure 1
2
Seiko Instruments Inc.
Rev.5.1
_00
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
Product Name Structure
•
The product types and output voltage for S-L2980 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-L2980
x
xx
MC
-
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
*1
Package name (abbreviation)
MC: SOT-23-5
Output voltage
15 to 60
(e.g. when the output voltage is 1.5 V,
it is expressed as 15.)
Product type
*2
A: ON/OFF pin positive logic
B: ON/OFF pin negative logic
*1.
Refer to the tape drawing.
*2.
Refer to the “3.
ON/OFF Pin”
in the “
2. Package
Package Name
SOT-23-5
Operation”.
Package
MP005-A-P-SD
Drawing Code
Tape
MP005-A-C-SD
Reel
MP005-A-R-SD
Seiko Instruments Inc.
3
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
3. Product Name List
Table 1
Output Voltage
1.5 V ±2.0 %
1.6 V ±2.0 %
1.7 V ±2.0 %
1.8 V ±2.0 %
1.9 V ±2.0 %
2.0 V ±2.0 %
2.1 V ±2.0 %
2.2 V ±2.0 %
2.3 V ±2.0 %
2.4 V ±2.0 %
2.5 V ±2.0 %
2.6 V ±2.0 %
2.7 V ±2.0 %
2.8 V ±2.0 %
2.9 V ±2.0 %
3.0 V ±2.0 %
3.1 V ±2.0 %
3.2 V ±2.0 %
3.3 V ±2.0 %
3.4 V ±2.0 %
3.5 V ±2.0 %
3.6 V ±2.0 %
3.7 V ±2.0 %
3.8 V ±2.0 %
3.9 V ±2.0 %
4.0 V ±2.0 %
4.1 V ±2.0 %
4.2 V ±2.0 %
4.3 V ±2.0 %
4.4 V ±2.0 %
4.5 V ±2.0 %
4.6 V ±2.0 %
4.7 V ±2.0 %
4.8 V ±2.0 %
4.9 V ±2.0 %
5.0 V ±2.0 %
5.1 V ±2.0 %
5.2 V ±2.0 %
5.3 V ±2.0 %
5.4 V ±2.0 %
5.5 V ±2.0 %
5.6 V ±2.0 %
5.7 V ±2.0 %
5.8 V ±2.0 %
5.9 V ±2.0 %
6.0 V ±2.0 %
SOT-23-5
S-L2980A15MC-TF-x
S-L2980A16MC-TF-x
S-L2980A17MC-TF-x
S-L2980A18MC-TF-x
S-L2980A19MC-TF-x
S-L2980A20MC-TF-x
S-L2980A21MC-TF-x
S-L2980A22MC-TF-x
S-L2980A23MC-TF-x
S-L2980A24MC-TF-x
S-L2980A25MC-TF-x
S-L2980A26MC-TF-x
S-L2980A27MC-TF-x
S-L2980A28MC-TF-x
S-L2980A29MC-TF-x
S-L2980A30MC-TF-x
S-L2980A31MC-TF-x
S-L2980A32MC-TF-x
S-L2980A33MC-TF-x
S-L2980A34MC-TF-x
S-L2980A35MC-TF-x
S-L2980A36MC-TF-x
S-L2980A37MC-TF-x
S-L2980A38MC-TF-x
S-L2980A39MC-TF-x
S-L2980A40MC-TF-x
S-L2980A41MC-TF-x
S-L2980A42MC-TF-x
S-L2980A43MC-TF-x
S-L2980A44MC-TF-x
S-L2980A45MC-TF-x
S-L2980A46MC-TF-x
S-L2980A47MC-TF-x
S-L2980A48MC-TF-x
S-L2980A49MC-TF-x
S-L2980A50MC-TF-x
S-L2980A51MC-TF-x
S-L2980A52MC-TF-x
S-L2980A53MC-TF-x
S-L2980A54MC-TF-x
S-L2980A55MC-TF-x
S-L2980A56MC-TF-x
S-L2980A57MC-TF-x
S-L2980A58MC-TF-x
S-L2980A59MC-TF-x
S-L2980A60MC-TF-x
Rev.5.1
_00
Remark 1.
Please contact our sales office for type B 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.5.1
_00
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-L2980 Series
Pin Configuration
SOT-23-5
Top view
5
4
Table 2
Pin No.
Symbol
Pin Description
1
VIN
Input voltage pin
2
VSS
GND pin
3
ON/OFF
ON/OFF pin
*1
4
NC
No connection
5
VOUT
Output voltage pin
*1.
The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
1
2
3
Figure 2
Absolute Maximum Ratings
Table 3
Item
Input voltage
Output voltage
Power dissipation
Symbol
V
IN
V
ON/OFF
V
OUT
P
D
(Ta=25
°C
unless otherwise specified)
Absolute Maximum Rating
Unit
V
SS
–0.3 to V
SS
+12
V
V
SS
–0.3 to V
SS
+12
V
V
SS
–0.3 to V
IN
+0.3
V
300 (When not mounted on board)
mW
*1
600
mW
–40 to +85
°C
–40 to +125
°C
Operation ambient temperature
T
opr
Storage temperature
T
stg
*1.
When mounted on board
[Mounted board]
(1) Board size : 114.3 mm
×
76.2 mm
×
t1.6 mm
(2) Board name : JEDEC STANDARD51-7
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
Power Dissipation (P
D
) [mW]
700
600
500
400
300
200
100
0
0
100
150
50
Ambient Temperature (Ta) [°C]
Figure 3 Power Dissipation of Package (When Mounted on Board)
Seiko Instruments Inc.
5
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