S-19311BF2A-V5T2U4 Datasheet, PDF (22/39 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
1. 5 Output voltage vs. Junction temperature
1. 5. 1 VOUT = 3.3 V
3.6
VIN = 13.5 V
3.5
3.4
3.3
3.2
3.1
3.0
−40 −25 0
25 50 75 100 125 150
Tj [°C]
1. 5. 2 VOUT = 5.0 V
5.3
VIN = 13.5 V
5.2
5.1
5.0
4.9
4.8
4.7
−40 −25 0
25 50 75 100 125 150
Tj [°C]
1. 6 Ripple rejection (Ta = +25°C)
1. 6. 1
100
80
60
VOUT = 3.3 V
VIN = 13.5 V, CL = 2.2 μF
IOUT = 1 mA
IOUT = 30 mA
IOUT = 100 mA
40
20
0
10 100 1k 10k 100k 1M
Frequency [Hz]
1. 6. 2
100
80
60
VOUT = 5.0 V
VIN = 13.5 V, CL = 2.2 μF
IOUT = 1 mA
IOUT = 30 mA
IOUT = 100 mA
40
20
0
10 100 1k 10k 100k 1M
Frequency [Hz]
2. Detector block
2. 1 Detection voltage, Release voltage vs. Junction temperature
2. 1. 1 −VDET = 2.6 V
3.2
2. 1. 2 −VDET = 4.7 V
5.3
3.0
VDET
2.8
5.1
VDET
4.9
2.6
4.7
2.4
2.2
40 25 0
VDET
25 50 75 100 125 150
Tj [°C]
4.5
4.3
40 25 0
VDET
25 50 75 100 125 150
Tj [°C]
2. 2 Hysteresis width vs. Junction temperature
2. 2. 1 −VDET = 2.6 V
300
250
200
150
100
50
0
−40 −25 0
25 50 75 100 125 150
Tj [°C]
22
2. 2. 2 −VDET = 4.7 V
300
250
200
150
100
50
0
−40 −25 0
25 50 75 100 125 150
Tj [°C]