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NXP Semiconductors Electronic Components Datasheet

DC6M503X6 Datasheet

ultra small DC-to-DC buck converter

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DC6M50xX6 family
6 MHz, 500 mA, ultra small DC-to-DC buck converter
Rev. 1 — 13 February 2013
Product data sheet
1. Product profile
1.1 General description
The DC6M50xX6 family consists of highly efficient 6 MHz, 500 mA step-down DC-to-DC
converters. The devices convert input voltages between 2.3 V and 5.5 V to fixed output
voltages of 1.2 V, 1.5 V or 1.8 V.
The devices of DC6M50xX6 family are optimized for battery-driven applications. Their
high efficiency of up to 95 % enables an extended battery life in all portable designs. Buck
operation at a switching frequency of 6 MHz allows using only a small low-cost 470 nH
coil and two capacitors. Besides working with standard chip inductors, the DC6M50xX6
family devices also support Printed-Circuit Board (PCB) coils and air coils.
Product versions with and without automatic mode selection between Pulse Frequency
Modulation (PFM) and Pulse Width Modulation (PWM) are available. Optionally the
devices can be switched to forced PWM mode.
1.2 Features and benefits
Efficiency up to 95 %
Extremely low output ripple in PWM and PFM mode
2 % total DC output voltage accuracy
Soft start function for limiting inrush current
Short circuit and over-temperature protection
Enable input operates with an active HIGH or with a clock signal
Optional power good indicator output (XSHUTDOWN version)
Wafer-Level Chip-Size Package (WLCSP) with 0.4 mm pitch
1.3 Applications
Smartphones
Mobile handsets
Digital Still Cameras (DSC)
Tablet PCs
Mobile Internet Devices (MID)
Portable Media Players (PMP)
1.4 Quick reference data
IO = 500 mA (max)
VO = 1.2 V, 1.5 V or 1.8 V
Supply current ICC = 0.2 A in standby
mode
Switching frequency fclk(PWM) = 6 MHz
VI = 2.3 V to 5.5 V


NXP Semiconductors Electronic Components Datasheet

DC6M503X6 Datasheet

ultra small DC-to-DC buck converter

No Preview Available !

NXP Semiconductors
2. Pinning information
DC6M50xX6 family
6 MHz, 500 mA, ultra small DC-to-DC buck converter
bump A1
index area
MODE A1 A2 IN
SW B1 B2 EN
FB C1 C2 GND
018aaa210
Transparent top view
solder balls facing down
Fig 1. Pin configuration WLCSP6
Table 1. Pin description
Symbol Pin Description
MODE [1] A1 voltage select/mode select/XSHUTDOWN
IN A2 supply input voltage
SW B1 output voltage switch regulator
EN B2 enable
FB C1 control feedback
GND C2 ground
[1] Mode function depends on the chosen version of the buck converter as listed in Table 3.
DC6M50XX6_FAM
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 13 February 2013
© NXP B.V. 2013. All rights reserved.
2 of 25


Part Number DC6M503X6
Description ultra small DC-to-DC buck converter
Maker NXP
Total Page 25 Pages
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