HIGH WITHSTAND-VOLTAGE VOLTAGE REGULATOR WITH RESET FUNCTION
S-87x Series
Rev.8.0_00
Seiko Instruments Inc.
10
Electrical Characteristics
1. S-8750xxA Series/S-8750xxB Series
Table 6
(Unless otherwise specified: Ta=25°C)
Item Symbol Condition Min. Typ. Max. Unit
Test
circuit
Voltage Regulator
Output voltage V
OUT
V
IN
=7 V, I
OUT
=30 mA
4.88 5.00 5.12 V 1
I/O voltage difference
V
dif
I
OUT
=30 mA ⎯ 0.15 0.40
Line regulation
ΔV
OUT1
V
IN
=6 to 24 V,
I
OUT
=30 mA
⎯ 15 50 mV
Load regulation
ΔV
OUT2
V
IN
=7 V,
I
OUT
=50 μA to 40 mA
⎯ 15 50
Input voltage V
IN
⎯
⎯ ⎯ 24 V
Temperature
coefficient of V
OUT
TaΔ
VΔ
OUT
V
IN
=7 V, I
OUT
=30 mA,
Ta
=−40°C to +85°C
⎯ ±0.38 ±1.52
mV
/°C
Voltage Detector
Operating voltage V
opr
⎯
1.3
⎯
24 V 2
Delay time
*1
t
pd
C
D
=4.7 nF
15 27 41 ms 3
Tempertue
characteristic of
−V
DET
Ta
VΔ DET−
Ta
=−40°C to +85°C
⎯
±0.5 ±2.0
mV
/°C
2
Detection voltage
−V
DET
S-875045A/B 4.392 4.50 4.608 V
S-875043A/B 4.196 4.30 4.404
S-875041A/B 4.001 4.10 4.199
S-875039A/B 3.806 3.90 3.994
S-875037A/B 3.611 3.70 3.789
S-875021B 2.049 2.10 2.151
Sink current I
DOUT
V
IN
=1.3 V
0.25 0.60
⎯
mA 4
Nch,
V
DS
=0.5 V
V
IN
=2.4 V
1.50 2.60
⎯
V
IN
=3.6 V
3.00 4.50
⎯
Leakage current I
LEAK
Nch,
V
DS
=24 V, V
IN
=10 V
⎯ ⎯
0.1
μA
Hysteresis width V
HYS
S-875045A/B
−V
DET
×0.01
⎯
−V
DET
×0.025
V 2
S-875043A/B to
S-875021A/B
−V
DET
×0.03
⎯
−V
DET
×0.08
Total
Current consumption
*2
I
SS
V
IN
=7 V, Unloaded
⎯
3 8
μA
5
*1. t
pd
(ms)=(3.18 min., 5.74 typ., 8.73 max.)×C
D
(nF)
*2. Excluding the charging current of C
D
