Rev.3.2
_00
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT
CMOS VOLTAGE REGULATOR
S-1132 Series
The S-1132 Series is a positive voltage regulator with a low
dropout voltage, high output voltage accuracy, and low
current consumption (300 mA output current) developed
based on CMOS technology.
A 0.1
µF
small ceramic capacitor can be used. It operates
with low current consumption of 20
µA
typ.
A built-in Output current protector prevents the load current
from exceeding the current capacitance of the output
transistor.
Compared with the conventional 300 mA output current
CMOS voltage regulators, high-density mounting is realized
by using the super-small SNT-6A(H) package and a 0.1µF
small ceramic capacitor.
Also, the low current consumption makes the S-1132 series
ideal for mobile devices.
Features
•
Output voltage:
•
Low ESR capacitor can be used:
•
Wide input voltage range:
•
High-accuracy output voltage:
•
Low dropout voltage:
•
Low current consumption:
•
Output current:
•
High ripple rejection:
•
Built-in overcurrent protector:
•
Built-in ON/OFF circuit:
•
Small package:
•
Lead-free products
1.5 V to 5.5 V, selectable in 0.1 V steps.
A ceramic capacitor of 0.1
µF
or more can be used for the output capacitor.
2.0 V to 6.5 V
±1.0%
130 mV typ. (3.0 V output product, I
OUT
=
100 mA)
During operation:
20
µA
typ., 40
µA
max.
During shutdown: 0.01
µA
typ., 1.0
µA
max.
300 mA output is possible (at V
IN
≥
V
OUT(S)
+
1.0 V)
*1
70 dB typ. (at 1.0 kHz)
Overcurrent of output transistor can be restricted.
Ensures long battery life.
SOT-23-5, SOT-89-5, SNT-6A(H)
*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
Packages
Package Name
SOT-23-5
SOT-89-5
SNT-6A(H)
Drawing Code
Package
MP005-A
UP005-A
PI006-A
Tape
MP005-A
UP005-A
PI006-A
Reel
MP005-A
UP005-A
PI006-A
Land
PI006-A
Seiko Instruments Inc.
1
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.2
_00
S-1132 Series
Product Name Structure
•
The product types, output voltage, and package types for the S-1132 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 and “2.
Product name list”
for the full product names.
1. Product name
S-1132
x
xx
–
xxxx
G
Package name (abbreviation) and packing specifications
*1
M5T1: SOT-23-5, Tape
U5T1: SOT-89-5, Tape
I6T2: SNT-6A(H), Tape
Output voltage
15 to 55
(e.g., when the 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 taping specifications at the end of this book.
*2.
Refer to 3. Shutdown pin (ON/OFF pin) in the “Operation”.
Seiko Instruments Inc.
3
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.2
_00
S-1132 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.
The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
1
2
3
Figure 2
SOT-89-5
Top view
5
4
Table 3
Pin No.
1
2
3
4
5
Symbol
VOUT
VSS
NC
*1
ON/OFF
VIN
Description
Output voltage pin
GND pin
No connection
Shutdown pin
Input voltage pin
1
2
3
*1.
The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Figure 3
SNT-6A(H)
Top view
1
2
3
6
5
4
Table 4
Pin No.
1
2
3
4
5
6
Symbol
VOUT
VSS
NC
*1
ON/OFF
VSS
VIN
Description
Output voltage pin
GND pin
No connection
Shutdown pin
GND pin
Input voltage pin
Figure 4
*1.
The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Seiko Instruments Inc.
5
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