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PDF S-1212B Data sheet ( Hoja de datos )
| Número de pieza | S-1212B | |
| Descripción | LOW DROPOUT CMOS VOLTAGE REGULATOR | |
| Fabricantes | Seiko Instruments | |
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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
1 page  
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0_00
S-1212B/D Series
Pin Configurations
1. TO-252-5S(A)
Top view
3
12
45
Figure 2
Pin No.
1
2
3
4
5
Table 5
Symbol
Description
VOUT
ON / OFF
Output voltage pin
ON / OFF pin
VSS
NC*1
VIN
GND pin
No connection
Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to the VIN pin or the VSS pin.
2. HSOP-8A
Top view
18
27
36
45
Bottom view
81
72
63
54
*1
Pin No.
1
2
3
4
5
6
7
8
Table 6
Symbol
VOUT
NC*2
NC*2
ON / OFF
VSS
NC*2
NC*2
VIN
Description
Output voltage pin
No connection
No connection
ON / OFF pin
GND pin
No connection
No connection
Input voltage pin
Figure 3
*1. Connect the heat sink of backside at shadowed area to the board, and set electric potential GND.
However, do not use it as the function of electrode.
*2. The NC pin is electrically open.
The NC pin can be connected to the VIN pin or the VSS pin.
5
5 Page 
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0_00
S-1212B/D Series
VIN VOUT
ON / OFF
VSS
Set to GND
+
A
+
V
Figure 13 Test Circuit 6
11
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| PDF Descargar | [ Datasheet S-1212B.PDF ] | |
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