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PDF ( 数据手册 , 数据表 ) S-1312

零件编号 S-1312
描述 LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
制造商 Seiko
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S-1312 数据手册, 描述, 功能
S-1312 Series
www.sii-ic.com
© Seiko Instruments Inc., 2011-2014
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.2.3_00
The S-1312 Series, developed by using the CMOS technology, is a positive voltage regulator IC which has low current
consumption, high ripple-rejection and low dropout voltage.
Even with low current consumption of 20 μA typ., it has high ripple-rejection of 75 dB typ., and a ceramic capacitor of 0.22 μF
or more can be used as the input and output capacitors.
It also has high-accuracy output voltage of ±1.0%.
Features
Output voltage:
Input voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Input and output capacitors:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
Built-in ON / OFF circuit:
Pull-down resistor is selectable.
Discharge shunt function is selectable.
Operation temperature range:
Lead-free (Sn 100%), halogen-free
1.0 V to 3.5 V, selectable in 0.05 V step
1.5 V to 5.5 V
±1.0% (1.0 V to 1.45 V output product: ±15 mV)
160 mV typ. (2.8 V output product, IOUT = 100 mA)
During operation: 20 μA typ., 30 μA max.
During power-off: 0.1 μA typ., 1.0 μA max.
Possible to output 150 mA (VIN VOUT(S) + 1.0 V)*1
A ceramic capacitor of 0.22 μF or more can be used.
75 dB typ. (1.2 V output product, f = 1.0 kHz)
70 dB typ. (2.85 V output product, f = 1.0 kHz)
Limits overcurrent of output transistor.
Prevents damage caused by heat.
Ensures long battery life.
Ta = 40°C to +85°C
*1. Attention should be paid to the power dissipation of the package when the output current is large.
Applications
Constant-voltage power supply for portable communication device, digital camera, and digital audio player
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for home electric appliance
Packages
SOT-23-5
HSNT-4 (1010)
HSNT-4 (0808)
Seiko Instruments Inc.
1







S-1312 pdf, 数据表
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1312 Series
Rev.2.3_00
4. 4 S-1312 Series D type
ON / OFF logic:
Discharge shunt function:
Active "H"
Unavailable
Pull-down resistor: Unavailable
Table 6
Output Voltage
SOT-23-5
HSNT-4 (1010)
HSNT-4 (0808)
1.0 V ± 15 mV
1.1 V ± 15 mV
1.2 V ± 15 mV
1.3 V ± 15 mV
1.4 V ± 15 mV
1.5 V ± 1.0%
1.6 V ± 1.0%
1.7 V ± 1.0%
1.8 V ± 1.0%
1.85 V ± 1.0%
1.9 V ± 1.0%
2.0 V ± 1.0%
2.1 V ± 1.0%
2.2 V ± 1.0%
2.3 V ± 1.0%
2.4 V ± 1.0%
2.5 V ± 1.0%
2.6 V ± 1.0%
2.7 V ± 1.0%
2.8 V ± 1.0%
2.85 V ± 1.0%
2.9 V ± 1.0%
3.0 V ± 1.0%
3.1 V ± 1.0%
3.2 V ± 1.0%
3.3 V ± 1.0%
3.4 V ± 1.0%
3.5 V ± 1.0%
S-1312D10-M5T1U3
S-1312D11-M5T1U3
S-1312D12-M5T1U3
S-1312D13-M5T1U3
S-1312D14-M5T1U3
S-1312D15-M5T1U3
S-1312D16-M5T1U3
S-1312D17-M5T1U3
S-1312D18-M5T1U3
S-1312D1J-M5T1U3
S-1312D19-M5T1U3
S-1312D20-M5T1U3
S-1312D21-M5T1U3
S-1312D22-M5T1U3
S-1312D23-M5T1U3
S-1312D24-M5T1U3
S-1312D25-M5T1U3
S-1312D26-M5T1U3
S-1312D27-M5T1U3
S-1312D28-M5T1U3
S-1312D2J-M5T1U3
S-1312D29-M5T1U3
S-1312D30-M5T1U3
S-1312D31-M5T1U3
S-1312D32-M5T1U3
S-1312D33-M5T1U3
S-1312D34-M5T1U3
S-1312D35-M5T1U3
S-1312D10-A4T2U3
S-1312D11-A4T2U3
S-1312D12-A4T2U3
S-1312D13-A4T2U3
S-1312D14-A4T2U3
S-1312D15-A4T2U3
S-1312D16-A4T2U3
S-1312D17-A4T2U3
S-1312D18-A4T2U3
S-1312D1J-A4T2U3
S-1312D19-A4T2U3
S-1312D20-A4T2U3
S-1312D21-A4T2U3
S-1312D22-A4T2U3
S-1312D23-A4T2U3
S-1312D24-A4T2U3
S-1312D25-A4T2U3
S-1312D26-A4T2U3
S-1312D27-A4T2U3
S-1312D28-A4T2U3
S-1312D2J-A4T2U3
S-1312D29-A4T2U3
S-1312D30-A4T2U3
S-1312D31-A4T2U3
S-1312D32-A4T2U3
S-1312D33-A4T2U3
S-1312D34-A4T2U3
S-1312D35-A4T2U3
S-1312D10-A4T1U3
S-1312D11-A4T1U3
S-1312D12-A4T1U3
S-1312D13-A4T1U3
S-1312D14-A4T1U3
S-1312D15-A4T1U3
S-1312D16-A4T1U3
S-1312D17-A4T1U3
S-1312D18-A4T1U3
S-1312D1J-A4T1U3
S-1312D19-A4T1U3
S-1312D20-A4T1U3
S-1312D21-A4T1U3
S-1312D22-A4T1U3
S-1312D23-A4T1U3
S-1312D24-A4T1U3
S-1312D25-A4T1U3
S-1312D26-A4T1U3
S-1312D27-A4T1U3
S-1312D28-A4T1U3
S-1312D2J-A4T1U3
S-1312D29-A4T1U3
S-1312D30-A4T1U3
S-1312D31-A4T1U3
S-1312D32-A4T1U3
S-1312D33-A4T1U3
S-1312D34-A4T1U3
S-1312D35-A4T1U3
Remark Please contact our sales office for products with specifications other than the above.
8 Seiko Instruments Inc.







S-1312 equivalent, schematic
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1312 Series
Rev.2.3_00
Explanation of Terms
1. Low dropout voltage regulator
This 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. When VOUT < 1.5 V: ±15 mV, when VOUT 1.5 V: ±1.0%
*2. Differs depending on the product.
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
ΔVOUT1
ΔVINVOUT
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 (ΔVOUT2)
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 (VIN1) 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.
Vdrop = VIN1 (VOUT3 × 0.98)
16 Seiko Instruments Inc.










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