S-1133B18-U5T1G 데이터 시트보기 (PDF) - Seiko Instruments Inc

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S-1133B18-U5T1G

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

Seiko Instruments Inc 

Rev.2.1_00

HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT

CMOS VOLTAGE REGULATOR

S-1133 Series

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.

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