S-8365AAABA-M5T1Y2 Datasheet, PDF (7/63 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.2.1_01
S-8365/8366 Series
 Pin Configurations
1. SNT-6A
Top view
1
6
2
5
3
4
Figure 4
Pin No.
1
2
3
4
5
6
Table 3 With Short-Circuit Protection
Symbol
Description
EXT
External transistor connection pin
VSS
GND pin
ON / OFF
Power-off pin
“H” : Power-on (normal operation)
“L” : Power-off (standby)
FB
Output voltage feedback pin
CSP
Delay time setting pin for short-circuit
protection
VDD
IC power supply pin
2. SOT-23-5
Top view
54
123
Figure 5
Table 4 Without Short-Circuit Protection
Pin No.
Symbol
Description
1
EXT
External transistor connection pin
2
VSS
GND pin
Power-off pin
3
ON / OFF
“H” : Power-on (normal operation)
“L” : Power-off (standby)
4
FB
Output voltage feedback pin
5
NC^*1
No connection
6
VDD
IC power supply pin
*1. The NC pin indicates electrically open.
The NC pin can be connected to VDD or VSS.
Table 5 Without Short-Circuit Protection
Pin No.
Symbol
Description
Power-off pin
1
ON / OFF
“H” : Power-on (normal operation)
“L” : Power-off (standby)
2
VSS
GND pin
3
EXT
External transistor connection pin
4
VDD
IC power supply pin
5
FB
Output voltage feedback pin
7