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Seiko Instruments Electronic Components Datasheet

S-1212B Datasheet

LOW DROPOUT CMOS VOLTAGE REGULATOR

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S-1212B pdf
S-1212B/D Series
www.sii-ic.com
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION
LOW DROPOUT CMOS VOLTAGE REGULATOR
© SII Semiconductor Corporation, 2015-2016
Rev.3.0_00
The S-1212B/D Series, developed by using high-withstand voltage CMOS process technology, is a positive voltage regulator
with a high-withstand voltage, low current consumption and high-accuracy output voltage, and has a built-in ON / OFF
circuit.
The S-1212B/D Series operates at the maximum operation voltage of 36 V and a low current consumption of 6.5 μA typ.,
and has a built-in low on-resistance output transistor which provides a very small dropout voltage and a large output current.
Also, a built-in overcurrent protection circuit to limit overcurrent of the output transistor and a built-in thermal shutdown circuit
to limit heat are included.
Features
Output voltage:
Input voltage:
Output voltage accuracy:
Current consumption:
Output current:
Input capacitor:
Output capacitor:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
Built-in ON / OFF circuit:
Built-in discharge shunt circuit:
Operation temperature range:
Lead-free (Sn 100%), halogen-free
2.5 V to 16.0 V, selectable in 0.1 V step
3.0 V to 36 V
±2.0% (Ta = +25°C)
During operation: 6.5 μA typ. (Ta = +25°C)
During power-off: 0.1 μA typ. (Ta = +25°C)
Possible to output 250 mA (at VIN VOUT(S) + 2.0 V)*1
A ceramic capacitor can be used. (1.0 μF or more)
A ceramic capacitor can be used. (1.0 μF to 100 μF)
Limits overcurrent of output transistor.
Detection temperature 165°C typ.
Ensures long battery life.
Discharges the electric charge of the output capacitor during power-off.
(RLOW = 70 kΩ typ.)
Ta = 40°C to +105°C
*1. Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.
Applications
Constant-voltage power supply for industrial equipment
Constant-voltage power supply for home electric appliance
Packages
TO-252-5S(A)
HSOP-8A
HSOP-6
SOT-89-5
HTMSOP-8
SOT-23-5
1



Seiko Instruments Electronic Components Datasheet

S-1212B Datasheet

LOW DROPOUT CMOS VOLTAGE REGULATOR

No Preview Available !

S-1212B pdf
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1212B/D Series
Rev.3.0_00
Block Diagram
*1
VIN
Overcurrent protection
circuit
Thermal shutdown circuit
VOUT
ON / OFF
*2
ON / OFF circuit
+
Reference
voltage circuit
VSS
*1. Parasitic diode
*2. The ON / OFF circuit controls the internal circuit and the output transistor.
Figure 1
*1
2



Seiko Instruments Electronic Components Datasheet

S-1212B Datasheet

LOW DROPOUT CMOS VOLTAGE REGULATOR

No Preview Available !

S-1212B pdf
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0_00
S-1212B/D Series
Product Name Structure
Users can select the output voltage and package type for the S-1212B/D Series. Refer to "1. Product name" regarding
the contents of product name, "2. Function list of product types" regarding the product type, "3. Packages"
regarding the package drawings and "4. Product name list" for details of product names.
1. Product name
S-1212 x xx - xxxx U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
V5T2: TO-252-5S(A), Tape
E8T1: HSOP-8A, Tape
E6T1: HSOP-6, Tape
U5T1: SOT-89-5, Tape
S8T1: HTMSOP-8, Tape
M5T1: SOT-23-5, Tape
Set output voltage
25 to G0
(e.g., when the set output voltage is 2.5 V, it is expressed as 25.
when the set output voltage is 10.0 V, it is expressed as A0.
when the set output voltage is 11.0 V, it is expressed as B0.
when the set output voltage is 16.0 V, it is expressed as G0.)
Product type*2
B, D
*1. Refer to the tape drawing.
*2. Refer to "2. Function list of product types" and "3. ON / OFF pin" in "Operation".
2. Function list of product types
Product Type
B
D
ON / OFF Logic
Active "H"
Active "H"
Table 1
ON / OFF Pin Input Voltage "H"
1.5 V min.
2.0 V min.
ON / OFF Pin Input Voltage "L"
0.25 V max.
0.8 V max.
3. Packages
Package Name
TO-252-5S(A)
HSOP-8A
HSOP-6
SOT-89-5
HTMSOP-8
SOT-23-5
Table 2
Dimension
VA005-A-P-SD
FH008-A-P-SD
FH006-A-P-SD
UP005-A-P-SD
FP008-A-P-SD
MP005-A-P-SD
Package Drawing Codes
Tape
Reel
VA005-A-C-SD
VA005-A-R-SD
FH008-A-C-SD
FH008-A-R-SD
FH006-A-C-SD
FH006-A-R-S1
UP005-A-C-SD
UP005-A-R-SD
FP008-A-C-SD
FP008-A-R-SD
MP005-A-C-SD
MP005-A-R-SD
Land
VA005-A-L-SD
FH008-A-L-SD
FP008-A-L-SD
3




Part Number S-1212B
Description LOW DROPOUT CMOS VOLTAGE REGULATOR
Maker Seiko Instruments
Total Page 30 Pages
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