Specifications:
Output Current: 1.5A (minimum), 2.2A (typical value)
Input-output voltage difference (VI-VO): 40Vdc (max)
Adjustable output voltage range: 1.2 - 37V
Current output: 1.5A

Voltage Input: 4.2 - 40 V
Operating temperature: 0 Celsius - 125 Celsius
Working temperature: -55 Celsius to + 150 Celsius
Characteristic frequency: 100 (MHz)
Output mode: VOUT output positive, GND output negative
Applications
Mobile phone, MP3, MP4, PSP and many other charging equipment
colour: Blue
Material: PC
size: 3.5 x 2 x 1.7cm

Package Contents:
5 x LM317 DC-DC 1.5A 1.2-37V adjustable power board