ST2S08BPQR STMicroelectronics, ST2S08BPQR Datasheet - Page 2

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ST2S08BPQR

Manufacturer Part Number
ST2S08BPQR
Description
HANDHELD & PHOTOVOLTAIC
Manufacturer
STMicroelectronics
Series
-r
Type
Step-Down (Buck), PWM - Current Moder
Datasheet

Specifications of ST2S08BPQR

Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
0.8 V ~ 4.68 V
Current - Output
1.5A
Frequency - Switching
1.5MHz
Voltage - Input
3 V ~ 5.5 V
Operating Temperature
-30°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
12-VQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ST2S08BPQR
Manufacturer:
ST
0
Contents
Contents
1
2
3
4
5
6
7
8
9
10
2/18
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8.1
8.2
8.3
8.4
8.5
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Programming the output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Inductor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Input and output capacitor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Layout considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Doc ID 18290 Rev 1
ST2S08B

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