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S-1155B2J-U5T1G Datasheet(PDF) 8 Page - Seiko Instruments Inc

Part # S-1155B2J-U5T1G
Description  HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT 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-1155B2J-U5T1G Datasheet(HTML) 8 Page - Seiko Instruments Inc

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HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1155 Series
Rev.1.1_00
Seiko Instruments Inc.
8
Table 5 (2 / 2)
(Ta
= 25°C unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Test
Circuit
VIN = VOUT(S) + 1.0 V,
RL = 1.0 k
Ω,
determined by VOUT
output level
1.0 V
≤ VOUT(S) ≤ 4.5 V
1.0
V
4
Shutdown pin input
voltage “H”
VSH
VIN = 5.5 V,
RL = 1.0 k
Ω,
determined by VOUT
output level
4.5 V < VOUT(S)
≤ 5.0 V
1.0
V
4
VIN = VOUT(S) + 1.0 V,
RL = 1.0 k
Ω,
determined by VOUT
output level
1.0 V
≤ VOUT(S) ≤ 4.5 V
0.3
V
4
Shutdown pin input
voltage “L”
VSL
VIN = 5.5 V,
RL = 1.0 k
Ω,
determined by VOUT
output level
4.5 V < VOUT(S)
≤ 5.0 V
0.3
V
4
Shutdown pin input
current “H”
ISH
VIN = 5.5 V, VON/OFF = 5.5 V
−0.1
0.1
µA
4
Shutdown pin input
current “L”
ISL
VIN = 5.5 V, VON/OFF = 0 V
−0.1
0.1
µA
4
1.0 V
≤ VOUT(S) < 1.2 V
70
dB
5
1.2 V
≤ VOUT(S) ≤ 3.0 V
65
dB
5
VIN = VOUT(S) + 1.0 V,
f = 1 kHz,
∆Vrip = 0.5 Vrms,
IOUT = 100 mA
3.0 V < VOUT(S)
≤ 4.5 V
60
dB
5
Ripple rejection
RR
VIN = 5.5 V,
f = 1 kHz,
∆Vrip = 0.5 Vrms,
IOUT = 100 mA
4.5 V < VOUT(S)
≤ 5.0 V
60
dB
5
VIN
= VOUT(S) + 1.0 V,
ON/OFF pin
= ON,
VOUT
= 0 V
1.0 V
≤ VOUT(S) ≤ 4.5 V
200
mA
3
Short-circuit current
ISHORT
VIN
= 5.5 V,
ON/OFF pin
= ON,
VOUT
= 0 V
4.5 V < VOUT(S)
≤ 5.0 V
200
mA
3
Thermal shutdown
detection temperature
TSD
Junction temperature
150
°C
Thermal shutdown
release temperature
TSR
Junction temperature
120
°C
*1.
VOUT(S) : Specified output voltage
VOUT(E) : Actual output voltage
The output voltage when fixing IOUT (
= 100 mA) and inputting VOUT(S) + 1.0 V or 5.5 V
*2.
The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output current.
*3.
Vdrop
= VIN1 − (VOUT3 × 0.98)
VOUT3 is the output voltage when VIN
= VOUT(S) + 1.0 V or 5.5 V, and IOUT = 200 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input voltage.
*4.
The change in temperature [mV/°C] is calculated using the following equation.
[]
[ ]
[] 1000
C
ppm/
V
∆Ta
∆V
V
V
C
mV/
∆Ta
∆V
OUT
OUT
OUT(S)
OUT
÷
°
×
=
°
*3
*2
*1
*1.
Change in temperature of the output voltage
*2.
Specified output voltage
*3.
Output voltage temperature coefficient
*5.
The output current can be at least this value.
Due to limitation of the package power dissipation, this value may not be satisfied. Attention should be paid to the
power dissipation of the package when the output current is large.
This specification is guaranteed by design.
*1
*2
*3


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