NCP1508
NCP1508 is High Efficiency Synchronous Step-Down DC-DC Converter manufactured by onsemi.
Features http://onsemi. MARKING DIAGRAM
10 PIN DFN MN SUFFIX CASE 485C 1 1508 ALYW
1508 A L Y W
= Specific Device Code = Assembly Location = Wafer Lot = Year = Work Week
- High Efficiency:
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93% for 1.89 V Output at 3.6 V Input and 125 m A Load Current 91% for 1.89 V Output at 3.6 V Input and 300 m A Load Current Digital Programmable Output Voltages: 1.0, 1.3, 1.5 or 1.89 V Output Current up to 500 m A at Vin = 3.6 V Low Quiescent Current of 14 m A in Pulsed Switching Mode Low 0.2 m A Shutdown Current
- 30°C to 85°C Operation Temperature Low Profile DFN Package Pb- Free Package is Available Cellular Phones, Smart Phones and PDAs Digital Still Cameras MP3 Players and Portable Audio Systems Wireless and DSL Modems Portable Equipment
5 Cin 10 m H 9 10 4 VCC VCCP SHD SYNC FB LX 3 6 Vout Cout 22 m H CB0 and CB1 Control Input EFFICIENCY (%) 6.8 m H
ORDERING INFORMATION
Device NCP1508MNR2 NCP1508MNR2G Package Shipping†
10 Pin DFN 3000 Tape & Reel 10 Pin DFN (Pb- Free) 3000 Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.
Application
100 90 80 70 60 50 40 30 20 10 0 0.001 0.01 0.1 1 Iout (m A) 10 Vin = 3.6 V Vout = 1.5 V 100 1000 PWM Mode Pulsed Mode
Vin 2.7 V
- 5.2 V
8 CB1 7 CB0
GNDA GNDP
Figure 1. Typical Application Circuit
Figure 2. Efficiency vs. Output Current
© Semiconductor ponents I1dustries, LLC, 2006
July, 2006
- Rev. 1
Publication Order Number: NCP1508/D
5 VCCA 4 VCCP ISENS
- OA +
- CMP + + CMP
- DVR Q1 DAMPING SWITCHING CONTROL 6 ZCL
- CMP + CONTROL BLOCK (PWM,PM)
- CMP + Q2 DVR 3 LX
ISENS PENSATION...