s-1135a13-u5t1g Seiko Instruments Inc., s-1135a13-u5t1g Datasheet - Page 30

• Manufacturer Part Number: s-1135a13-u5t1g
• Description: High Ripple-rejection Low Dropout Middle Output Current Cmos Voltage Regulator
• Manufacturer: Seiko Instruments Inc.

(3) Transient Response Characteristics of ON / OFF Pin (Ta = 25°C)
(4) Output Capacitance vs. Characteristics of Discharge Time (Ta = 25°C)
30
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1135 Series
V
V
V
V
V
V
IN
IN
IN
ON / OFF
OUT
OUT
S-1135 Series A / B type (with discharge shunt function)
= 2.0 V, tr = 5.0 µs, C
= 4.5 V, tr = 5.0 µs, C
= V
2.4
2.0
1.6
1.2
0.8
0.4
= 1.0 V
= 3.5 V
OUT
0
6
5
4
3
2
1
0
= V
2.5
2.0
1.5
1.0
0.5
−50
−50
0
+ 1.0 V, I
OUT
0
+ 1.0 V → V
0
0
OUT
V
OUT(s)
2
= no load
L
L
= 1.0 µF, C
= 1.0 µF, C
50
50
= 1.0 V
SS
4
2.5 V
3.5 V
, tf = 1 µs
t [µs]
t [µs]
C
100
100
L
6
[µF]
IN
IN
= 1.0 µF, I
= 1.0 µF, I
V
V
V
V
150
150
8
ON / OFF
OUT
ON / OFF
OUT
OUT
OUT
10
200
200
= 100 mA
= 100 mA
Seiko Instruments Inc.
3
2
1
0
−1
−2
−3
6
4
2
0
−2
−4
−6
12
V
V
Figure 24 Measurement Condition of Discharge Time
V
V
ON / OFF
OUT
IN
OUT
= 3.5 V, tr = 5.0 µs, C
= 2.5 V
6
5
4
3
2
1
0
−50
0
1 µs
V
L
= 1.0 µF, C
ON / OFF
50
t [µs]
V
t
IN
DSC
= V
= V
100
IN
OUT
OUT
= 1.0 µF, I
+ 1.0 V → V
+ 1.0 V
V
V
150
ON / OFF
OUT
OUT
Rev.1.1
V
200
OUT
= 100 mA
SS
6
4
2
0
−2
−4
−6
× 10%
V
SS
_00