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S-1135 Schematic ( PDF Datasheet ) - Seiko

Teilenummer S-1135
Beschreibung High Ripple Rejection Low Dropout Middle Output Current CMOS Voltage Regulator
Hersteller Seiko
Logo Seiko Logo 




Gesamt 30 Seiten
S-1135 Datasheet, Funktion
www.DaRtaeShve.e1t4.1U._c0o0m
HIGH RIPPLE-REJECTION LOW DROPOUT
MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1135 Series
S-1135 Series, developed using the CMOS technology, is a
positive voltage regulator IC which has the low dropout
voltage, the high-accuracy output voltage and the low current
consumption (300 mA output current).
A 1.0 µF small ceramic capacitor can be used. It operates with
low current consumption of 45 µA typ.
The overcurrent protection circuit prevents the load current
from exceeding the capacitance of output transistor. The
power-off circuit ensures longer battery life.
Various capacitors, also small ceramic capacitors, can be used
for this IC more than for the conventional regulator ICs which
have CMOS technology.
Furthermore a small SOT-89-5, SOT-23-5, and HSNT-6A
packages realize high-density mounting.
„ Features
Output voltage:
1.0 V to 3.5 V, selectable in 0.05 V step.
Low equivalent series resistance capacitor : Ceramic capacitor of 1.0 µF or more can be used as the I/O capacitor.
Wide input voltage range:
1.5 V to 5.5 V
High-accuracy output voltage:
±1.0% (1.0 V to 1.45 V output product : ±15 mV)
Low dropout voltage:
160 mV typ. (products having the output of 2.6 V, IOUT = 300 mA)
Low current consumption:
During operation: 45 µA typ., 65 µA max.
Output current:
During power-off: 0.1 µA typ., 1.0 µA max.
Possible to output 300 mA (at VIN VOUT(S) + 1.0 V)*1
High ripple rejection:
70 dB typ. (at 1.0 kHz, VOUT = 1.0 V)
Built-in overcurrent protection circuit:
limits overcurrent of output transistor
Built-in power-off circuit:
Ensures long battery life.
Discharge shunt circuit can be selected.
Resistor is selectable in pull-up or pull-down
Small package:
SOT-89-5, SOT-23-5, HSNT-6A
Lead-free product
*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 cellular phones
Power supply for portable equipment
„ Package
Package Name
SOT-89-5
SOT-23-5
HSNT-6A
Package
UP005-A
MP005-A
PJ006-A
Tape
UP005-A
MP005-A
PJ006-A
Drawing Code
Reel
UP005-A
MP005-A
PJ006-A
Land
PJ006-A
Stencil Opening
PJ006-A
Seiko Instruments Inc.
1






S-1135 Datasheet, Funktion
www.DaHtaISGhHeeRt4IUP.PcoLmE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1135 Series
Rev.1.1_00
„ Product Name Structure
Users can select the product type, output voltage, and package type for the S-1135 Series. Refer to “1. Product
name” regarding the contents of product name, “2. Function list of product type” regarding the product type.
1. Product name
(1) SOT-89-5
S-1135
x
xx U5T1
G
Package abbreviation and IC packing specifications*1
U5T1: SOT-89-5, tape product
Output voltage*2
10 to 35
(e.g., when the output voltage is 1.0 V, it is
expressed as 10.)
Product type*3
A to H
*1. Refer to the tape specifications.
*2. If you request the product which has 0.05 V step, contact our sales office.
*3. Refer to “2. Function list of product type”.
(2) SOT-23-5, HSNT-6A
S-1135
x
xx xxxx
S
Package abbreviation and IC packing specifications*1
M5T1: SOT-23-5, tape product
A6T1: HSNT-6A, tape product
Output voltage*2
10 to 35
(e.g., when the output voltage is 1.0 V, it is
expressed as 10.)
Product type*3
A to H
*1. Refer to the tape specifications.
*2. If you request the product which has 0.05 V step, contact our sales office.
*3. Refer to “2. Function list of product type”.
6 Seiko Instruments Inc.

6 Page









S-1135 pdf, datenblatt
www.DaHtaISGhHeeRt4IUP.PcoLmE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1135 Series
Rev.1.1_00
„ Pin Configuration
SOT-89-5
Top view
54
Table 6
Pin No.
Symbol
Description
1
VOUT
Output voltage pin
2
VSS
GND pin
3
NC*1
No connection
4 ON / OFF ON / OFF pin
5 VIN Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
12 3
Figure 9
SOT-23-5
Top view
54
Table 7
Pin No.
Symbol
Description
1 VIN Input voltage pin
2
VSS
GND pin
3 ON / OFF ON / OFF pin
4
NC*1
No connection
5
VOUT
Output voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
123
Figure 10
HSNT-6A
Top view
16
25
34
Bottom view
61
52
43
Table 8
Pin No.
Symbol
Description
1
VOUT
Output voltage pin
2
VSS
GND pin
3
NC*1
No connection
4 ON / OFF ON / OFF pin
5
NC*1
No connection
6 VIN Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
*1
*1. Connect the heatsink of backside
at shadowed area to the board,
and set electric potential open or
GND.
However, do not use it as the
function of electrode.
Figure 11
12 Seiko Instruments Inc.

12 Page





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