S-1121 Seiko Instruments, S-1121 Datasheet - Page 9

• Manufacturer Part Number: S-1121
• Description: (S-1111 / S-1121) HIGH RIPPLE-REJECTION LOW DROPOUT
• 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.4.1
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
voltage.
*1. The change in temperature of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
The output voltage when fixing I
Δ
= V
Δ
OUT3
IN1
V
Ta
: Specified output voltage
: Actual output voltage at the fixed load
OUT
Item
_00
IN1
is the input voltage at which the output voltage becomes 98% of V
[
is the output voltage when V
mV/
*2
*1
− (V
*3
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
°
OUT3
C
]
*1
*4
× 0.98)
=
V
OUT(S)
V
I
V
ΔV
I
I
V
V
V
I
I
I
Δ
OUT
SS1
SS2
SH
SL
short
Δ
OUT(E)
drop
IN
SH
SL
RR
V
Ta
Δ
OUT2
Symbol
Δ
[ ]
IN
V
V
V
•
•
OUT1
OUT
2 *
V
V
OUT
×
OUT
Δ
Ta
Δ
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
ΔV
V
V
V
OUT
OUT
•
IN
IN
OUT(S)
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
IN
OUT
(= 30 mA) and inputting V
V
rip
= V
= V
= V
= V
= V
= V
= V
= 6.5 V, V
= 6.5 V, V
= V
= V
≥ V
= V
= 30 mA
= 100 mA
OUT
= 0.5 Vrms, I
= 0 V
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)
ppm/
OUT
Seiko Instruments Inc.
+ 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
ON/OFF
ON/OFF
°
≤ 80 mA
+ 1.0 V and I
C
]
3 *
OUT
IN
Conditions
Table 6
= 6.5 V
= 0 V
÷
≤ 6.5 V,
1.5 V ≤ V
2.0 V ≤ V
2.5 V ≤ V
2.8 V ≤ V
3.4 V ≤ V
1000
OUT
OUT
= 30 mA
L
L
= 1.0 kΩ
= 1.0 kΩ
⎯
= 10 mA,
= 30 mA
OUT
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(E)
= 100 mA.
≤ 1.9 V
≤ 2.4 V
≤ 2.7 V
≤ 3.3 V
≤ 5.5 V
+ 1.0 V
after gradually increasing the output current.
(Ta = 25 °C unless otherwise specified)
OUT3
V
× 0.99
after gradually decreasing the input
150
−0.1
−0.1
Min.
OUT(S)
2.0
1.5
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
*5
V
S-1111/1121 Series
±100
Typ.
0.60
0.35
0.24
0.20
0.17
0.05
OUT(S)
250
0.1
20
35
70
⎯
⎯
⎯
⎯
⎯
⎯
V
× 1.01
Max.
1.40
0.70
0.35
0.30
0.26
OUT(S)
0.2
1.0
6.5
0.3
0.1
0.1
⎯
40
⎯
65
⎯
⎯
⎯
% / V
ppm
Unit
/ °C
mA
mV
mA
μA
μA
μA
dB
V
V
V
V
V
V
V
V
V
1
Circuit
Test
⎯
1
3
1
1
1
1
1
1
1
1
2
2
4
4
4
4
5
3
9