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S-1312B20H-A4T2U3 Datasheet(PDF) 11 Page - Seiko Instruments Inc

Part # S-1312B20H-A4T2U3
Description  OPERATION LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S-1312B20H-A4T2U3 Datasheet(HTML) 11 Page - Seiko Instruments Inc

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105
°C OPERATION LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.1.1_01
S-1312xxxH Series
11
Electrical Characteristics
Table 11
(Ta =
+25°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
Output voltage*1
VOUT(E)
VIN = VOUT(S)
+ 1.0 V,
IOUT = 30 mA
1.0 V
≤ VOUT(S) < 1.5 V
VOUT(S)
− 0.015
VOUT(S)
VOUT(S)
+ 0.015
V
1
1.5 V
≤ VOUT(S) ≤ 3.5 V
VOUT(S)
× 0.99
VOUT(S)
VOUT(S)
× 1.01
V
1
Output current*2
IOUT
VIN
≥ VOUT(S) + 1.0 V
150*5
mA
3
Dropout voltage*3
Vdrop
IOUT = 100 mA
1.0 V
≤ VOUT(S) < 1.1 V
0.50
0.68
0.86
V
1
1.1 V
≤ VOUT(S) < 1.2 V
0.52
0.71
V
1
1.2 V
≤ VOUT(S) < 1.3 V
0.31
0.63
V
1
1.3 V
≤ VOUT(S) < 1.4 V
0.28
0.56
V
1
1.4 V
≤ VOUT(S) < 1.5 V
0.26
0.50
V
1
1.5 V
≤ VOUT(S) < 1.7 V
0.24
0.47
V
1
1.7 V
≤ VOUT(S) < 2.0 V
0.22
0.43
V
1
2.0 V
≤ VOUT(S) < 2.5 V
0.18
0.36
V
1
2.5 V
≤ VOUT(S) < 3.0 V
0.16
0.32
V
1
3.0 V
≤ VOUT(S) < 3.3 V
0.15
0.28
V
1
3.3 V
≤ VOUT(S) ≤ 3.5 V
0.14
0.27
V
1
Line regulation
ΔVIN VOUT
ΔVOUT1
1.0 V
≤ VOUT(S) < 1.1 V
1.6 V
≤ VIN ≤ 5.5V, IOUT = 30 mA
0.02
0.1
%/V
1
1.1 V
≤ VOUT(S) ≤ 3.5 V
VOUT(S)
+ 0.5 V ≤ VIN ≤ 5.5 V, IOUT = 30 mA
0.02
0.1
%/V
1
Load regulation
ΔVOUT2
VIN = VOUT(S)
+ 1.0 V, 100 μA ≤ IOUT ≤ 100 mA
20
40
mV
1
Output voltage
temperature coefficient*4
ΔTa VOUT
ΔVOUT
VIN = VOUT(S)
+ 1.0 V, IOUT = 30 mA,
−40°C ≤ Ta ≤ + 105°C
±130
ppm/
°C1
Current consumption
during operation
ISS1
VIN = VOUT(S)
+ 1.0 V, ON / OFF pin = ON, no load
20
30
μA
2
Current consumption
during power-off
ISS2
VIN = VOUT(S)
+ 1.0 V, ON / OFF pin = OFF, no load
0.1
1.0
μA
2
Input voltage
VIN
1.5
5.5
V
ON / OFF pin input voltage "H"
VSH
VIN = VOUT(S)
+ 1.0 V, RL = 1.0 kΩ
determined by VOUT output level
1.0
V
4
ON / OFF pin input voltage "L"
VSL
VIN = VOUT(S)
+ 1.0 V, RL = 1.0 kΩ
determined by VOUT output level
0.25
V
4
ON / OFF pin input current "H"
ISH
VIN = 5.5 V,
VON / OFF = 5.5 V
B / D type
(without pull-down registor)
−0.1
0.1
μA
4
A / C type
(with pull-down registor)
1.0
2.5
5.0
μA
4
ON / OFF pin input current "L"
ISL
VIN = 5.5 V, VON / OFF = 0 V
−0.1
0.1
μA
4
Ripple rejection
RR
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
75
dB
5
1.2 V < VOUT(S)
≤ 2.85 V
70
dB
5
2.85 V < VOUT(S)
≤ 3.5 V
65
dB
5
Short-circuit current
Ishort
VIN = VOUT(S)
+ 1.0 V, ON / OFF pin = ON, VOUT = 0 V
50
mA
3
Thermal shutdown detection
temperature
TSD
Junction temperature
150
°C
Thermal shutdown
release temperature
TSR
Junction temperature
120
°C
"L" output Nch ON resistance
RLOW
VOUT = 0.1 V,
VIN = 5.5 V
A / B type
(with discharge shuntfunction)
35
Ω
3
Power-off pull-down resistance RPD
A / C type
(with pull-down registor)
1.0
2.2
5.0
M
Ω
4


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