S-1740G20-A4T2U4 datasheet(7/47 Pages) SII

Part #	S-1740G20-A4T2U4

Description	POWER MONITORING OUTPUT, 5.5 V INPUT, 100 mA CMOS VOLTAGE REGULATOR WITH 0.5 uA SUPER LOW CURRENT CONSUMPTION

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Manufacturer	SII [Seiko Instruments Inc]

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POWER MONITORING OUTPUT, 5.5 V INPUT, 100 mA CMOS VOLTAGE REGULATOR WITH 0.5

μA SUPER LOW CURRENT CONSUMPTION

Rev.1.2_00

S-1740/1741 Series

7



Pin Configurations

1. SOT-23-5

13

2

4

5

Top view

Figure 3

Table 9 S-1740/1741 Series A / C type

Pin No.

Symbol

Description

1

VIN

Input voltage pin

2

VSS

GND pin

3

PMEN

Power monitor enable pin

4

PMOUT

Power monitor output pin

5

VOUT

Output voltage pin

2. HSNT-6(1212)

Top view

1

3

2

6

4

5

6

4

5

1

3

2

Bottom view

*1

Figure 4

Table 10 S-1740/1741 Series A / C type

Pin No.

Symbol

Description

1

VOUT

Output voltage pin

2

VSS

GND pin

3

PMOUT

Power monitor output pin

4

PMEN

Power monitor enable pin

5

NC

*2

No connection

6

VIN

Input voltage pin

*1. Connect the heat sink of backside at shadowed area to the board, and set electric potential open or GND.

However, do not use it as the function of electrode.

*2. The NC pin is electrically open.

The NC pin can be connected to the VIN pin or the VSS pin.

3. HSNT-4(1010)

Top view

14

23

Bottom view

41

32

*1

Figure 5

Table 11 S-1740/1741 Series G type

Pin No.

Symbol

Description

1

VOUT

Output voltage pin

2

VSS

GND pin

3

PMOUT

Power monitor output pin

4

VIN

Input voltage pin

*1. Connect the heat sink of backside at shadowed area to the board, and set electric potential open or GND.

However, do not use it as the function of electrode.

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