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S-19311BF2A-V5T2U4 Datasheet, PDF (8/39 Pages) Seiko Instruments Inc – CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
S-19311 Series
Rev.1.0_02
2. Detector block
Table 8
(VIN = 13.5 V, Tj = −40°C to +150°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
Detection voltage*1
−VDET
−
−VDET(S)
− 0.1
−VDET(S)
−VDET(S)
+ 0.1
V
4
Hysteresis width
VHYS
−
120
150
−
mV
4
Reset output voltage "H" VROH
−
VOUT(S)
× 0.9
−
−
V
4
Reset output voltage "L" VROL
VOUT ≥ 1.0 V, Rext ≥ 3 kΩ,
Connect to VOUT pin
−
0.2
0.4
V
4
Reset pull-up resistance RRO
VOUT pin internal resistance
20
30
45
kΩ
−
Reset output current
IRO
VRO = 0.4 V, VOUT = −VDET(S) − 0.1 V
3.0
−
−
mA
5
Lower reset timing
threshold voltage
VDRL
−
0.2
0.3
0.4
V
6
Upper timing threshold
voltage
VDU
−
1.5
1.9
2.3
V
6
Charge current
ID,cha
VDLY = 1.0 V
2.0
5.0
8.0
μA
6
Release delay time*2
trd
CDLY = 47 nF
11
18
25
ms
4
Reset reaction time*3
trr
CDLY = 47 nF
−
−
50
μs
4
*1. −VDET: Actual detection voltage, −VDET(S): Set detection voltage
*2. The time period from when VOUT changes to −VDET(S) − 0.15 V → VOUT(S) to when VRO reaches VOUT / 2.
*3. The time period from when VOUT changes to VOUT(S) → −VDET(S) − 0.15 V to when VRO reaches VOUT / 2.
3. Overall
Item
Current consumption
during operation
Table 9
Symbol
(VIN = 13.5 V, Tj = −40°C to +150°C unless otherwise specified)
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
ISS1
VIN = 13.5 V, IOUT = 0 mA
−
60
95
μA
7
8