NCP6336 Datasheet, PDF (1/30 Pages) ON Semiconductor – Configurable 5.0 A Step Down Converter - Transient Load Helper

NCP6336
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Configurable 5.0 A Step
Down Converter - Transient
Load Helper
The NCP6336 is a synchronous buck converter optimized to supply
the different sub systems of portable applications powered by one cell
Li−Ion or three cell Alkaline/NiCd/NiMH batteries. The device is able
to deliver up to 5.0 A, with programmable output voltage from 0.6 V
to 1.5 V. It can share the same output rail with another DC−to−DC
converter and works as a transient load helper. Operation at a 3 MHz
switching frequency allows the use of small components.
Synchronous rectification and automatic PWM/PFM transitions
improve overall solution efficiency. The NCP6336 is in a space
saving, low profile 2.0 x 1.6 mm CSP−20 package.
Features
• Input Voltage Range from 2.3 V to 5.5 V: Battery and 5 V Rail
Powered Applications
• Programmable Output Voltage: 0.6 V to 1.5 V in 10 mV Steps
• 3 MHz Switching Frequency with On Chip Oscillator
• Uses 330 nH Inductor and 47 mF Capacitors for Optimized Footprint
and Solution Thickness
• PFM/PWM Operation for Optimum Increased Efficiency
• Low 35 mA Quiescent Current
• I²C Control Interface with Interrupt and Dynamic Voltage Scaling
Support
• Enable Pins, Power Good / Fail Signaling
• Thermal Protections and Temperature Management
• Transient Load Helper: Share the Same Rail with Another Rail
• Small 2.0 x 1.6 mm / 0.4 mm Pitch CSP Package
• These are Pb−Free Devices
http://onsemi.com
MARKING
DIAGRAM
WLCSP20
CASE 568AG
6336x
AWLYWW
G
x = P: Prototype
= blank: Production
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb−Free Package
Pb−Free indicator, G or microdot (G), may or may
not be present
PIN OUT
1
2
3
4
A
VSEL
EN
SCL
FB
B
SDA
PGND
INTB*
PGND
PG*
AGND
C
PGND
PGND
PGND
PGND
Typical Applications
• Smartphones
• Tablets
D
AVIN
PVIN
SW
SW
AGND B4
NCP6336
Core
Thermal
Protection
D1 AVIN
D2 ^PVIN
E1
E2
4.7 uF
Supply Input
E
PVIN
PVIN
SW
SW
(Top View)
*Optional
Enable Control EN
A2
Input
Voltage VSEL A1
Selection
Operating
Mode
Control
Power Fail
PGND
PG
B3
Interrupt
PGND
INTB
B2
SDA
B1
Processor @IC
Control Interface _SCL
A3
Output
Monitoring
I@C
DCDC
5.0 A
DCDC
3 MHz
Controller
Sense
D3
D4
SW
E3
E4
330 nH
47 uF
C1
C2
PGND
C3
C4
A4 ^FB
ORDERING INFORMATION
See detailed ordering and shipping information on page 29 of
this data sheet.
Processor
Core
Figure 1. Typical Application Circuit
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
© Semiconductor Components Industries, LLC, 2014
1
April, 2014 − Rev. P2
Publication Order Number:
NCP6336/D