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S-11L10 Schematic ( PDF Datasheet ) - Seiko

Teilenummer S-11L10
Beschreibung SUPER-LOW OUTPUT LOW DROPOUT CMOS VOLTAGE REGULATOR
Hersteller Seiko
Logo Seiko Logo 




Gesamt 30 Seiten
S-11L10 Datasheet, Funktion
Rev.1.0_00
SUPER-LOW OUTPUT LOW DROPOUT
CMOS VOLTAGE REGULATOR
S-11L10 Series
S-11L10 Series, developed using the CMOS technology, is a
positive voltage regulator IC which has the low output voltage,
the high-accuracy output voltage and the low current
consumption (150 mA output current).
A 1.0 µF small ceramic capacitor can be used. It operates with
low current consumption of 9 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-23-5 and SNT-6A(H) packages
realize high-density mounting.
„ Features
Low output voltage:
0.8 V to 3.3 V, selectable in 0.05 V step.
Low input voltage:
1.2 V to 3.65 V
Low equivalent series resistance capacitor : Ceramic capacitor of 1.0 µF or more can be used as the I/O capacitor.
High-accuracy output voltage:
±1.0% (0.8 V to 1.45 V output product : ±15 mV)
Low dropout voltage:
210 mV typ. (products having the output of 1.5 V, IOUT = 100 mA)
Low current consumption:
During operation: 9.0 µA typ., 16 µA max.
Output current:
During power-off: 0.1 µA typ., 0.9 µA max.
Possible to output 150 mA (at VIN VOUT(S) + 1.0 V)*1
Ripple rejection:
60 dB typ. (at 1.0 kHz, VOUT = 1.25 V)
Built-in overcurrent protection circuit:
limits overcurrent of output transistor
Built-in power-off circuit:
Ensures long battery life.
Discharge shunt function
www.DataSheSeetl4eUc.tcaobmle constant current source pull-down
Small package:
SOT-23-5, SNT-6A(H)
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 mobile phones
Power supply for portable equipment
„ Package
Package Name
SOT-23-5
SNT-6A(H)
Package
MP005-A
PI006-A
Drawing Code
Tape
Reel
MP005-A
MP005-A
PI006-A
PI006-A
Land
PI006-A
Seiko Instruments Inc.
1






S-11L10 Datasheet, Funktion
SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR
S-11L10 Series
Rev.1.0_00
„ Pin Configuration
SOT-23-5
Top view
54
Table 4
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 3
SNT-6A(H)
Top view
16
25
34
Figure 4
www.DataSheet4U.com
Table 5
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
VSS
GND pin
6 VIN Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
6 Seiko Instruments Inc.

6 Page









S-11L10 pdf, datenblatt
SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR
S-11L10 Series
Rev.1.0_00
„ Explanation of Terms
1. Low dropout voltage regulator
This IC’s voltage regulator has the low dropout voltage due to its built-in low on-resistance transistor.
2. Output voltage (VOUT)
The accuracy of the output voltage is ensured at ±1.0% or ±15 mV*1 under the specified conditions of fixed input
voltage*2, fixed output current, and fixed temperature.
*1. Differs depending on the product.
*2. When VOUT < 1.5 V : ±15 mV, when 1.5 V VOUT : ±1.0%
Caution
If the above conditions change, the output voltage value may vary and exceed the accuracy
range of the output voltage. Refer to “„ Electrical Characteristics” and “„ Characteristics
(Typical Data)” for details.
3.
Line regulation
VOUT1
VINVOUT
Indicates the dependency of the output voltage on the input voltage. That is, the values show how much the output
voltage changes due to a change in the input voltage with the output current remaining unchanged.
4. Load regulation (VOUT2)
Indicates the dependency of the output voltage on the output current. That is, the values show how much the output
voltage changes due to a change in the output current with the input voltage remaining unchanged.
5. Dropout voltage (Vdrop)
Indicates the difference between input voltage VIN and the output voltage when; decreasing input voltage VIN
gradually until the output voltage has dropped out to the value of 98% of output voltage VOUT3, which is at VIN =
VOUT(S) + 1.0 V.
www.DataSheeVt4dUrop.c=omVIN1 (VOUT3 × 0.98)
12 Seiko Instruments Inc.

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