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Seiko Instruments Electronic Components Datasheet

S-1133 Datasheet

HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR

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S-1133 pdf
Rev.2.1_00
HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT
CMOS VOLTAGE REGULATOR
S-1133 Series
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The S-1133 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 1 µF small ceramic capacitor can be used*1. It operates with low
current consumption of 60 µA typ. The S-1133 Series includes an
overcurrent protection circuit that prevents the output current from
exceeding the current capacitance of the output transistor and a
thermal shutdown circuit that prevents damage due to overheating.
In addition to the types in which output voltage is set inside the IC,
a type for which output voltage can be set via an external resistor is
added to a lineup (S-1133x00 Series). SOT-89-5 and super-small
SNT-8A packages realize high-density mounting. This, in addition
to low current consumption, makes the S-1133 Series ideal for
mobile devices.
*1. A ceramic capacitor of 2.2 µF or more can be used for products
whose output voltage is 1.7 V or less.
„ Features
Output voltage :
Voltage setting via external resistor :
Input voltage range :
High-accuracy output voltage :
Low dropout voltage :
Low current consumption :
Output current :
Low ESR capacitor can be used :
High ripple rejection :
Built-in overcurrent protection circuit :
Built-in thermal shutdown circuit :
Built-in ON/OFF circuit :
Small package :
Lead-free products
1.2 to 6.0 V, selectable in 0.1 V steps.
Selectable from 1.8 to 8.2 V (S-1133B00/S-1133A00)
2.0 to 10 V
±1.0% accuracy (1.2 to 1.4 V output product : ±15 mV accuracy)
130 mV typ. (3.0 V output product, IOUT = 100 mA)
During operation : 60 µA typ., 90 µA max.
During shutdown : 0.1 µA typ., 1.0 µA max.
300 mA output is possible (at VIN VOUT(S) + 1.0 V)*1
A ceramic capacitor of 1.0 µF or more can be used for the input and output
capacitors.
(A ceramic capacitor of 2.2 µF or more can be used for products whose
output voltage is 1.7 V or less.)
70 dB typ. (at 1.0 kHz, VOUT = 1.2 V)
Overcurrent of output transistor can be restricted.
Prevents damage due to overheating.
Ensures long battery life.
SOT-89-5, SNT-8A
*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 communication devices
Power supply for home electric appliances
„ Packages
Package Name
SOT-89-5
SNT-8A
Package
UP005-A
PH008-A
Drawing Code
Tape
Reel
UP005-A
UP005-A
PH008-A
PH008-A
Land
UP005-A
PH008-A
Seiko Instruments Inc.
1



Seiko Instruments Electronic Components Datasheet

S-1133 Datasheet

HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR

No Preview Available !

S-1133 pdf
HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1133 Series
Rev.2.1_00
„ Block Diagrams
1. Types in which output voltage is internally set (S-1133x12 to S-1133x60)
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VIN
*1
Thermal
shutdown circuit
Overcurrent
protection circuit
VOUT
ON/OFF
ON/OFF
circuit
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 1
2. Types in which output voltage is externally set (S-1133B00 and S-1133A00 only)
*1
VIN
Thermal
shutdown circuit
Overcurrent
protection circuit
VOUT
VADJ
ON/OFF
ON/OFF
circuit
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 2
2 Seiko Instruments Inc.



Seiko Instruments Electronic Components Datasheet

S-1133 Datasheet

HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR

No Preview Available !

S-1133 pdf
HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.1_00
S-1133 Series
„ Product Name Structure
The product types, output voltage, and package types for the S-1133 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
www.datasheefut4llup.croomduct names.
1. Product name
S-1133
x
xx - xxxx
G
Package abbreviation and packing specifications*1
U5T1 : SOT-89-5, Tape
I8T1 : SNT-8A, Tape
Output voltage
00 : Externally set
12 to 60 : Internally set
(e.g., when the output voltage is 1.2 V, it is expressed as 12.)
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 “Operation”.
Seiko Instruments Inc.
3




Part Number S-1133
Description HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Maker Seiko Instruments
Total Page 30 Pages
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