S-1122 Seiko Instruments, S-1122 Datasheet - Page 9

• Manufacturer Part Number: S-1122
• Description: 9S-1112 / S-1122) HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
• Manufacturer: Seiko Instruments

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*1. V
*2. The output current at which the output voltage becomes 95% of V
*3. V
*4. The change in temperature [mV/°C] is calculated using the following equation.
*5. The output current can be at least this value.
Output voltage
Output current
Dropout voltage
Line regulation
Load regulation
Output voltage
temperature coefficient
Current consumption
during operation
Current consumption
during shutdown
Input voltage
Shutdown pin
input voltage “H”
Shutdown pin
input current “H”
Shutdown pin
input current “L”
Ripple rejection
Short-circuit current
Rev.5.1
Shutdown pin
input voltage “L”
Electrical Characteristics
V
Due to restrictions on 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.
OUT(S)
OUT(E)
drop
V
V
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
The output voltage when fixing I
∆
= V
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
∆
V
OUT3
IN1
: Specified output voltage
: Actual output voltage at the fixed load
Ta
OUT
Item
_00
IN1
is the input voltage at which the output voltage becomes 98% of V
is the output voltage when V
[
− (V
mV
*2
*1
*3
/
OUT3
°
C
]
1 *
× 0.98)
*4
=
V
OUT(S)
∆
∆
V
Symbol
Ta
∆
∆ V
V
∆
IN
V
V
I
I
OUT(E)
V
I
I
V
RR
V
V
OUT
I
short
I
SS1
SS2
•
•
drop
SH
OUT2
SL
[ ]
OUT1
SH
OUT
SL
IN
V
V
V
OUT
OUT
2 *
×
OUT
∆
V
V
I
V
I
V
1.0 mA ≤ I
V
− 40 ° C ≤ Ta ≤ 85 ° C
V
no load
V
no load
V
V
V
V
V
∆ V
V
V
OUT
OUT
Ta
IN
IN
OUT(S)
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
∆
IN
( = 30 mA) and inputting V
rip
V
= V
= V
= V
= V
= V
= V
= V
= 6.5 V, V
= 6.5 V, V
= V
= V
= V
•
≥ V
= 30 mA
OUT
= 100 mA
= 0.5 Vrms, I
= 0 V
V
OUT
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
+ 0.5 V ≤ V
OUT(S)
OUT(S)
Seiko Instruments Inc.
[
OUT
ppm
+ 1.0 V, I
+ 1.0 V,
+ 1.0 V, I
+ 1.0 V, ON/OFF pin = ON,
+ 1.0 V, ON/OFF pin = OFF,
+ 1.0 V, R
+ 1.0 V, R
+ 1.0 V, f = 1.0 kHz,
+ 1.0 V, ON/OFF pin = ON,
+ 1.0 V and I
+ 1.0 V
ON/OFF
ON/OFF
≤ 80 mA
/
°
Conditions
C
OUT
IN
]
Table 7
1.5 V ≤ V
1.7 V ≤ V
1.9 V ≤ V
2.4 V ≤ V
2.8 V ≤ V
3 *
= 6.5 V
= 0 V
≤ 6.5 V,

÷
OUT
OUT
= 30 mA
L
L
1000
= 1.0 k Ω
= 1.0 k Ω
= 10 mA,
= 30 mA
OUT
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(E)
= 100 mA.
≤ 1.6 V
≤ 1.8 V
≤ 2.3 V
≤ 2.7 V
≤ 5.5 V
+ 1.0 V
after gradually increasing the output current.
OUT3
after gradually decreasing the input voltage.
(Ta = 25 ° C unless otherwise specified)
V
× 0.99
150
Min.
− 0.1
− 0.1
OUT(S)
2.0
1.5













*5
V
S-1112/1122 Series
± 100
Typ.
0.32
0.28
0.25
0.20
0.19
0.05
200
OUT(S)
0.1
12
50
80






V
× 1.01
Max.
0.55
0.47
0.35
0.29
0.26
OUT(S)
0.2
1.0
6.5
0.3
0.1
0.1
40
90





% / V
ppm/
Unit
mA
mV
mA
µ A
µ A
µ A
µ A
dB
° C
V
V
V
V
V
V
V
V
V
Circuit
Test

1
3
1
1
1
1
1
1
1
1
2
2
4
4
4
4
5
3
9