S-1702 Datasheet, PDF (36/45 Pages) Seiko Instruments Inc – Built-in overcurrent protection circuit

SUPER-LOW CURRENT CONSUMPTION 150 mA VOLTAGE REGULATOR WITH BUILT-IN HIGH-ACCURACY VOLTAGE DETECTOR AND RESET INPUT FUNCTION
S-1702 Series
Rev.2.2_01
2. 5 Current consumption during operation at regulator block^*1 vs. Input voltage
VOUT = 1.5 V
VOUT = 3.1 V
10
10
8
8
6
6
4
Ta = 85°C
2
Ta = 25°C
Ta = −40°C
0
0123456 7
VIN [V]
4
Ta = 85°C
2
Ta = 25°C
Ta = −40°C
0
0123456 7
VIN [V]
VOUT = 5.5 V
10
8
6
4
Ta = 85°C
2
Ta = 25°C
Ta = −40°C
0
0123456 7
VIN [V]
*1. Excluding current flowing in pull-up and pull-down resistors connected to the ON / OFF or RESX pins
2. 6 Ripple rejection ratio (Ta = +25°C)
VOUT = 1.5 V, VIN = 2.5 V, CL = 1.0 μF
100
80
60
40
20
0
10
IOUT = 1 mA
IOUT = 30 mA
IOUT = 150 mA
100 1k 10k 100k 1M
Frequency [Hz]
VOUT = 5.5 V, VIN = 6.0 V, CL = 1.0 μF
100
80
60
40
20
0
10
IOUT = 1 mA
IOUT = 30 mA
IOUT = 150 mA
100 1k 10k 100k 1M
Frequency [Hz]
VOUT = 3.1 V, VIN = 4.1 V, CL = 1.0 μF
100
80
60
40
20
0
10
IOUT = 1 mA
IOUT = 30 mA
IOUT = 150 mA
100 1k 10k 100k 1M
Frequency [Hz]
36