S-818_1 Datasheet, PDF (7/32 Pages) Seiko Instruments Inc – LOW DROPOUT CMOS VOLTAGE REGULATOR

Rev.2.1_00
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
„ Electrical Characteristics
Parameter
Output voltage^*1
Output current^*2
Dropout voltage^*3
Line regulation 1
Line regulation 2
Load regulation
Output voltage
temperature coefficient^*4
Current consumption
at operation
Current consumption
at shutdown
Input voltage
Shutdown pin
input voltage "H"
Shutdown pin
input voltage "L"
Shutdown pin
input current "H"
Shutdown pin
input current "L"
Ripple rejection
Symbol
V_OUT(E)
I_OUT
V_drop
∆VOUT1
∆VIN • VOUT
∆VOUT2
∆VIN • VOUT
∆V_OUT3
∆VOUT
∆Ta • VOUT
I_SS1
I_SS2
V_IN
V_SH
V_SL
I_SH
Table 5
(Ta=25°C unless otherwise specified)
Conditions
Min.
Typ.
Max.
Unit
Test
circuit
V_IN=V_OUT(S)+1 V, I_OUT=30 mA
V_OUT(S) V_OUT(S) V_OUT(S)
×0.98
×1.02
V
1
V_OUT(S)+1 V≤ 2.0 V≤V_OUT(S)≤2.4 V 100^*5 
V_IN≤10 V
2.5 V≤V_OUT(S)≤2.9 V 150^*5 
 mA 3
 mA 3
3.0 V≤V_OUT(S)≤3.9 V 200^*5 
 mA 3
4.0 V≤V_OUT(S)≤4.9 V 250^*5 
 mA 3
5.0 V≤V_OUT(S)≤6.0 V 300^*5 
 mA 3
I_OUT=60 mA 2.0 V≤V_OUT(S)≤2.4 V  0.51 0.87 V 1
2.5 V≤V_OUT(S)≤2.9 V  0.38 0.61 V 1
3.0 V≤V_OUT(S)≤3.4 V  0.30 0.44 V 1
3.5 V≤V_OUT(S)≤3.9 V  0.24 0.33 V 1
4.0 V≤V_OUT(S)≤4.4 V  0.20 0.26 V 1
4.5 V≤V_OUT(S)≤4.9 V  0.18 0.22 V 1
5.0 V≤V_OUT(S)≤5.4 V  0.17 0.21 V 1
5.5 V≤V_OUT(S)≤6.0 V  0.17 0.20 V 1
V_OUT(S)+0.5 V≤V_IN≤10 V,
I_OUT=30 mA
 0.05 0.2 %/V 1
V_OUT(S)+0.5 V≤V_IN≤10 V,
I_OUT=10 µA
V_IN=V_OUT(S)+1 V,
10 µA≤I_OUT≤80 mA
V_IN=V_OUT(S)+1 V, I_OUT=30 mA,
−40°C≤Ta≤85°C
 0.05 0.2 %/V 1
 30 50 mV 1

±100

ppm
/°C
1
V_IN=V_OUT(S)+1 V,
ON/OFF pin=ON, no load
V_IN=V_OUT(S)+1 V,
ON/OFF pin=OFF, no load

V_IN=V_OUT(S)+1 V, R_L=1 kΩ,
Judged by V_OUT output level.
V_IN=V_OUT(S)+1 V, R_L=1 kΩ,
Judged by V_OUT output level.
 30 40 µA 2
 0.1 0.5 µA 2
  10 V 1
1.5   V 4
  0.3 V 4
V_IN=V_OUT(S)+1 V, V_ON/OFF=7 V
−0.1  0.1 µA 4
I_SL
V_IN=V_OUT(S)+1 V, V_ON/OFF=0 V
RR
V_IN=V_OUT(S)+1 V, f=100 Hz,
∆V_rip=0.5 V p-p, I_OUT=30 mA
−0.1 
 45
0.1 µA 4
 dB 5
Seiko Instruments Inc.
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