HIGH RIPPLE-REJECTION WLP PACKAGE LOW DROPOUT CMOS VOLTAGE REGULATOR

S-L2985 Series

Seiko Instruments Inc.

3

Product Code Structure

• The product types, output voltage and package name for the S-L2985 Series can be selected at the

user’s request. Refer to the “Product name” for the meanings of the characters in the product name and

“Product name list” for the full product names.

1. Product name

S-L2985

x

xx

− H4T1

Package name (abbreviation) and packing specifications

*1

H4T1: WLP-4B, Tape

Output voltage

15 to 55

(E.g., when the output voltage is 1.5 V, it is expressed as 15)

Product type

*2

A: ON/OFF pin negative logic

B: ON/OFF pin positive logic

*1. Refer to the taping specifications at the end of this book.

*2. Refer to 3. Shutdown (ON/OFF pin) under the Operation.

2. Product name list

Table 1

Output voltage

WLP-4B

1.5V±1.0%

S-L2985B15-H4T1

1.8V±1.0%

S-L2985B18-H4T1

2.5V±1.0%

S-L2985B25-H4T1

2.6V±1.0%

S-L2985B26-H4T1

2.7V±1.0%

S-L2985B27-H4T1

2.8V±1.0%

S-L2985B28-H4T1

2.9V±1.0%

S-L2985B29-H4T1

3.0V±1.0%

S-L2985B30-H4T1

3.1V±1.0%

S-L2985B31-H4T1

3.2V±1.0%

S-L2985B32-H4T1

3.3V±1.0%

S-L2985B33-H4T1

3.4V±1.0%

S-L2985B34-H4T1

3.5V±1.0%

S-L2985B35-H4T1

5.0V±1.0%

S-L2985B50-H4T1

Remark Please contact the SII marketing department for products with an output voltage other than

those specified above or type A products.