ULTRA-LOW VOLTAGE OPERATION CHARGE PUMP IC FOR STEP-UP DC-DC CONVERTER STARTUP

S-882Z Series

4

Seiko Instruments Inc.

Pin Configurations

Table 2

Pin No. Pin Name

Pin Description

1

OUT

Output pin (step-up DC-DC converter connection pin)

2

VSS

GND pin

3

VM

Step-up DC-DC converter output voltage monitor pin

4

VIN

Power supply input pin

5

CPOUT

Startup capacitor connection pin

SOT-23-5

Top view

5

4

3

2

1

Figure 2

Absolute Maximum Ratings

Table 3

(Ta

= 25°C unless otherwise specified)

Parameter

Symbol

Absolute Maximum Rating

Unit

VIN pin voltage

V

CPOUT pin voltage

V

OUT pin voltage

V

VM pin voltage

V

Power dissipation

300 (When not mounted on board)

mW

600

*1

mW

Operating ambient temperature

−40 to +85

°C

Storage temperature

−40 to +125

°C

*1.

When mounted on board

[Mounted board]

(1) Board size:

114.3 mm

× 76.2 mm × t1.6 mm

(2) Board name: JEDEC STANDARD51-7

Caution The absolute maximum ratings are rated values exceeding which the product could suffer

physical damage. These values must therefore not be exceeded under any conditions.

0

50

100

150

600

400

0

Ambient Temperature (Ta) [

°C]

200

100

300

500

700

Figure 3 Power Dissipation of Package (When Mounted on Board)