S-1137 Datasheet, PDF (10/47 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT SOFT-START FUNCTION CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION LOW DROPOUT SOFT-START FUNCTION CMOS VOLTAGE REGULATOR
S-1137 Series
Rev.2.1_01
 Pin Configurations
1. SOT-89-5
Top view
5
4
123
Figure 5
2. SOT-23-5
Top view
54
123
Figure 6
3. SNT-6A(H)
Top view
1
6
2
5
3
4
Figure 7
Table 6
Pin No.
Symbol
Description
1
VOUT
Output voltage pin
2
VSS
GND pin
3
SSC
Pin for soft-start control^*1
4
ON / OFF ON / OFF pin
5
VIN
Input voltage pin
*1. Connect a capacitor between the SSC and VSS pins. The VOUT
rising speeds at power-on and at the time when the ON / OFF pin
is set to ON can be adjusted according to the capacitance.
For details, refer to “■ Selection of Capacitor for Soft-start
(CSS)”.
Table 7
Pin No.
Symbol
Description
1
VIN
Input voltage pin
2
VSS
GND pin
3
ON / OFF ON / OFF pin
4
SSC
Pin for soft-start control^*1
5
VOUT
Output voltage pin
*1. Connect a capacitor between the SSC and VSS pins. The VOUT
rising speeds at power-on and at the time when the ON / OFF pin
is set to ON can be adjusted according to the capacitance.
For details, refer to “■ Selection of Capacitor for Soft-start
(CSS)”.
Table 8
Pin No.
Symbol
Description
1
VOUT
Output voltage pin
2
VSS
GND pin
3
SSC
Pin for soft-start control^*1
4
ON / OFF ON / OFF pin
5
VSS
GND pin
6
VIN
Input voltage pin
*1. Connect a capacitor between the SSC and VSS pins. The VOUT
rising speeds at power-on and at the time when the ON / OFF pin
is set to ON can be adjusted according to the capacitance.
For details, refer to “■ Selection of Capacitor for Soft-start
(CSS)”.
10