S-1702 Datasheet, PDF (34/45 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. Regulator block
2. 1 Output voltage vs. Output current (when load current increases) (Ta = +25°C)
VOUT = 1.5 V
VOUT = 3.1 V
4
3
2
VIN = 1.8 V
VIN = 2.0 V
1
VIN = 2.5 V
VIN = 3.5 V
VIN = 6.5 V
0
0 50 100 150 200 250 300 350 400 450
IOUT [mA]
4.0
3.5
3.0
2.5
2.0
VIN = 3.4 V
1.5
VIN = 4.0 V
1.0
0.5
VIN = 5.0 V
VIN = 6.5 V
0
0 50 100 150 200 250 300 350 400 450
IOUT [mA]
VOUT = 5.5 V
6
5
4
VIN = 5.8 V
VIN = 6.0 V
3
VIN = 6.5 V
2
1
0
0 50 100 150 200 250 300 350 400 450
IOUT [mA]
Remark
In determining the output current,
attention should be paid to the followings.
(1) The minimum output current value and
footnote *8 in Table 7 in “ Electrical
Characteristics”.
(2) Power dissipation of package
2. 2 Output voltage vs. Input voltage (Ta = +25°C)
VOUT = 1.5 V
1.6
1.5
1.4
IOUT = −1 mA
1.3
IOUT = −30 mA
1.2
IOUT = −100 mA
1.1
1.0
1.0 1.5 2.0 2.5 3.0 3.5
VIN [V]
VOUT = 5.5 V
5.6
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.5
IOUT = −1 mA
IOUT = −30 mA
IOUT = −100 mA
5.0
5.5
6.0
6.5
VIN [V]
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.5
VOUT = 3.1 V
IOUT = −1 mA
IOUT = −30 mA
IOUT = −100 mA
3.0 3.4 4.0 4.5 5.0
VIN [V]
34