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S-1312 Schematic ( PDF Datasheet ) - Seiko

Teilenummer S-1312
Beschreibung LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Hersteller Seiko
Logo Seiko Logo 




Gesamt 30 Seiten
S-1312 Datasheet, Funktion
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 Datasheet, Funktion
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1312 Series
Rev.2.3_00
4. 2 S-1312 Series B type
ON / OFF logic:
Discharge shunt function:
Active "H"
Available
Pull-down resistor: Unavailable
Table 4
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-1312B10-M5T1U3
S-1312B11-M5T1U3
S-1312B12-M5T1U3
S-1312B13-M5T1U3
S-1312B14-M5T1U3
S-1312B15-M5T1U3
S-1312B16-M5T1U3
S-1312B17-M5T1U3
S-1312B18-M5T1U3
S-1312B1J-M5T1U3
S-1312B19-M5T1U3
S-1312B20-M5T1U3
S-1312B21-M5T1U3
S-1312B22-M5T1U3
S-1312B23-M5T1U3
S-1312B24-M5T1U3
S-1312B25-M5T1U3
S-1312B26-M5T1U3
S-1312B27-M5T1U3
S-1312B28-M5T1U3
S-1312B2J-M5T1U3
S-1312B29-M5T1U3
S-1312B30-M5T1U3
S-1312B31-M5T1U3
S-1312B32-M5T1U3
S-1312B33-M5T1U3
S-1312B34-M5T1U3
S-1312B35-M5T1U3
S-1312B10-A4T2U3
S-1312B11-A4T2U3
S-1312B12-A4T2U3
S-1312B13-A4T2U3
S-1312B14-A4T2U3
S-1312B15-A4T2U3
S-1312B16-A4T2U3
S-1312B17-A4T2U3
S-1312B18-A4T2U3
S-1312B1J-A4T2U3
S-1312B19-A4T2U3
S-1312B20-A4T2U3
S-1312B21-A4T2U3
S-1312B22-A4T2U3
S-1312B23-A4T2U3
S-1312B24-A4T2U3
S-1312B25-A4T2U3
S-1312B26-A4T2U3
S-1312B27-A4T2U3
S-1312B28-A4T2U3
S-1312B2J-A4T2U3
S-1312B29-A4T2U3
S-1312B30-A4T2U3
S-1312B31-A4T2U3
S-1312B32-A4T2U3
S-1312B33-A4T2U3
S-1312B34-A4T2U3
S-1312B35-A4T2U3
S-1312B10-A4T1U3
S-1312B11-A4T1U3
S-1312B12-A4T1U3
S-1312B13-A4T1U3
S-1312B14-A4T1U3
S-1312B15-A4T1U3
S-1312B16-A4T1U3
S-1312B17-A4T1U3
S-1312B18-A4T1U3
S-1312B1J-A4T1U3
S-1312B19-A4T1U3
S-1312B20-A4T1U3
S-1312B21-A4T1U3
S-1312B22-A4T1U3
S-1312B23-A4T1U3
S-1312B24-A4T1U3
S-1312B25-A4T1U3
S-1312B26-A4T1U3
S-1312B27-A4T1U3
S-1312B28-A4T1U3
S-1312B2J-A4T1U3
S-1312B29-A4T1U3
S-1312B30-A4T1U3
S-1312B31-A4T1U3
S-1312B32-A4T1U3
S-1312B33-A4T1U3
S-1312B34-A4T1U3
S-1312B35-A4T1U3
Remark Please contact our sales office for products with specifications other than the above.
6 Seiko Instruments Inc.

6 Page









S-1312 pdf, datenblatt
LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1312 Series
Rev.2.3_00
Electrical Characteristics
Item
Output voltage*1
Output current*2
Symbol
VOUT(E)
IOUT
Dropout voltage*3
Vdrop
Line regulation
ΔVOUT1
ΔVIN VOUT
Load regulation
Output voltage
temperature coefficient*4
Current consumption
during operation
Current consumption
during power-off
Input voltage
ON / OFF pin input voltage "H"
ΔVOUT2
ΔVOUT
ΔTa VOUT
ISS1
ISS2
VIN
VSH
ON / OFF pin input voltage "L" VSL
ON / OFF pin input current "H" ISH
ON / OFF pin input current "L" ISL
Table 12
Condition
VIN = VOUT(S) + 1.0 V,
IOUT = 30 mA
1.0 V VOUT(S) < 1.5 V
1.5 V VOUT(S) 3.5 V
VIN VOUT(S) + 1.0 V
1.0 V VOUT(S) < 1.1 V
1.1 V VOUT(S) < 1.2 V
1.2 V VOUT(S) < 1.3 V
1.3 V VOUT(S) < 1.4 V
1.4 V VOUT(S) < 1.5 V
IOUT = 100 mA
1.5 V VOUT(S) < 1.7 V
1.7 V VOUT(S) < 2.0 V
2.0 V VOUT(S) < 2.5 V
2.5 V VOUT(S) < 3.0 V
3.0 V VOUT(S) < 3.3 V
3.3 V VOUT(S) 3.5 V
1.0 V VOUT(S) < 1.1 V
1.6 V VIN 5.5V, IOUT = 30 mA
1.1 V VOUT(S) 3.5 V
VOUT(S) + 0.5 V VIN 5.5 V, IOUT = 30 mA
VIN = VOUT(S) + 1.0 V, 100 μA IOUT 100 mA
VIN = VOUT(S) + 1.0 V, IOUT = 30 mA,
40°C Ta ≤ + 85°C
VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, no load
VIN = VOUT(S) + 1.0 V, ON / OFF pin = OFF, no load
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
determined by VOUT output level
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
determined by VOUT output level
B / D type
VIN = 5.5 V,
VON / OFF = 5.5 V
(without pull-down registor)
A / C type
(with pull-down registor)
VIN = 5.5 V, VON / OFF = 0 V
(Ta = +25°C unless otherwise specified)
Min.
Typ.
Max.
Unit
Test
Circuit
VOUT(S)
0.015
VOUT(S)
× 0.99
150*5
VOUT(S)
VOUT(S)
VOUT(S)
+ 0.015
VOUT(S)
× 1.01
V
V
mA
1
1
3
0.50 0.68 0.86 V 1
0.52 0.71 V 1
0.31 0.63 V 1
0.28 0.56 V 1
0.26 0.50 V 1
0.24 0.47 V 1
0.22 0.43 V 1
0.18 0.36 V 1
0.16 0.32 V 1
0.15 0.28 V 1
0.14 0.27 V 1
0.02 0.1 %/V 1
0.02 0.1 %/V 1
20 40 mV 1
− ±130 ppm/°C 1
20 30 μA 2
0.1 1.0 μA 2
1.5 5.5 V
1.0
V4
− − 0.25 V 4
0.1
0.1 μA 4
1.0 2.5 5.0 μA 4
0.1
0.1 μA 4
Ripple rejection
RR
Short-circuit current
Thermal shutdown detection
temperature
Thermal shutdown
release temperature
"L" output Nch ON resistance
Ishort
TSD
TSR
RLOW
Power-off pull-down resistance RPD
12
VIN = VOUT(S) + 1.0 V,
f = 1.0 kHz,
ΔVrip = 0.5 Vrms,
IOUT = 30 mA
1.0 V VOUT(S) 1.2 V
1.2 V < VOUT(S) 2.85 V
2.85 V < VOUT(S) 3.5 V
75 dB 5
70 dB 5
65 dB 5
VIN = VOUT(S) + 1.0 V, ON / OFF pin = ON, VOUT = 0 V
50
mA 3
Junction temperature
150 − °C
Junction temperature
120 − °C
VOUT = 0.1 V,
VIN = 5.5 V
A / B type
(with discharge shuntfunction)
35
Ω3
A / C type
(with pull-down registor)
1.0 2.2 5.0 MΩ 4
Seiko Instruments Inc.

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