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PDF NCP6360 Data sheet ( Hoja de datos )
| Número de pieza | NCP6360 | |
| Descripción | Mini Buck Converter | |
| Fabricantes | ON Semiconductor | |
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NCP6360
Mini Buck Converter for
RF Power Amplifiers
The NCP6360, a PWM synchronous step−down DC−to−DC
converter, is optimized for supplying RF Power Amplifiers (PAs) used
into 3G/4G wireless systems (Mobile/ Smart Phones, Phablets,
Tablets, ...) powered by single−cell Lithium−Ion batteries. The device
is able to deliver up to 800 mA. The output voltage is monitorable
from 0.6 V to 3.4 V by an analog control pin VCON. The analog
control allows dynamically optimizing the RF Power Amplifier’s
efficiency during a communication while for example in roaming
situation with as a benefit an increased talk time. Also at light load for
optimizing the DC−to−DC converter efficiency, the NCP6360 enters
automatically in a PFM mode and operates in a slower switching
frequency corresponding to a reduced quiescent current in regards to
the PWM mode for which the device operates at a switching frequency
of 6 MHz. Synchronous rectification offers improved system
efficiency. The NCP6360 is available in a space saving, low profile
1.5 x 1.0 mm CSP−6 package.
Features
• Input Voltage from 2.7 V to 5.5 V for Battery Powered Applications
• Adjustable Output Voltage (0.6 V to 3.4 V)
• 6 MHz Switching Frequency
• Uses 470 nH Inductor and 4.7 mF Capacitor for Optimized Footprint
and Solution Thickness
• PFM /PWM Automatic Mode Change for High Efficiency
• Low 30 mA Quiescent Current
• Thermal Protections to Avoid Damage of the IC
• Small 1.5 x 1.0 mm / 0.5 mm Pitch CSP Package
• This is a Pb−Free Device
Typical Applications
• 3G / 4G Wireless Systems, Smart Phones, Phablets and Webtablets
http://onsemi.com
WLCSP6, 1.00x1.50
CASE 568AN
MARKING DIAGRAM
60
AYW
G
A = Assembly Location
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering, marking and shipping information on
page 16 of this data sheet.
VCON
Voltage control
From external DAC
EN
Processor or
System Supply
NCP6360
Vout Control
Thermal
Protection
Enabling
DCDC
Buck
1.0 A
6.0 MHz
FB
PVIN
VBAT
(Battery or System Supply)
10 mF
SW
DCDC Out
0.47 mH
PGND
4.7 mF
Rev 0.00
Figure 1. NCP6360 Block Diagram
© Semiconductor Components Industries, LLC, 2014
February, 2014 − Rev. 2
1
Publication Order Number:
NCP6360/D
1 page  
NCP6360
ELECTRICAL CHARACTERISTICS
Min and Max Limits apply for TJ up to +125°C unless otherwise specified. PVIN = 3.6 V (Unless otherwise noted). Typical values are
referenced to TA = + 25°C and default configuration
Symbol
Parameter
Conditions
Min Typ Max Unit
DCDC CONVERTER
LINETR
Line Transient Response (Note 10)
LOADTR
Load Transient Response (Note 10)
EN
PVIN = 3.6 V to 4.2 V
IOUT = 100 mA, VOUT = 0.8 V
TR = TF = 10 ms
PVIN = 3.1 V / 3.6 V / 4.5 V
IOUT = 50 to 150 mA
TR = TF = 0.1 ms
50 mVpk
50 mVpk
VIH Positive Going Input High Voltage
Threshold
1.1 V
VIL Negative Going Input Low Voltage
Threshold
0.4 V
TOTAL DEVICE
IOUTMAX
PWM mode (Note 10)
800 mA
TVCON
VOUT step rise time from 0.6 V to 3.4 V
to reach 3.26 V (Note 10)
PVIN = 3.6 V, VOUT = 0.6 V to
3.4 V, COUT = 4.7 mF, RL = 10 W,
TR_VCON < 1 ms
25 ms
VOUT step fall time from 3.4 V to 0.6 V to
reach 0.74 V (Note 10)
PVIN = 3.6 V, VOUT = 3.4 V to
0.6 V, COUT = 4.7 mF, RL = 10 W,
TF_VCON < 1 ms
25 ms
TSTART
Soft−Start Time (Time from EN trans-
itions from Low to High to 90% of Output
Voltage)
PVIN = 4.2 V, COUT = 4.7 mF,
VOUT = 3.4 V, no load
100 140
ms
TSP_en
TSP_ex
VUVLO
VUVLOH
TSD
Sleep mode Enter Time (Note 10)
Sleep mode Exit Time (Note 10)
Under Voltage Lockout
Under Voltage Lockout Hysteresis
Thermal Shut Down Protection
(Note 10)
Vcon < 75 mV
Vcon > 75 mV
PVIN falling
PVIN rising − PVIN falling
4.0
5.0
2.35 2.5
100
155
ms
ms
V
mV
°C
TSDH
Thermal Shut Down Hysteresis
(Note 10)
35 °C
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
7. Operation above 5.5 V input voltage for extended periods may affect device reliability.
8. Device tested under closed-loop conditions at PVIN = 4.0 V with VOUT_MIN and VOUT_MAX in line with VOUT accuracy specification.
9. Tested at 6 MHz / 48.
10. Guaranteed by design and characterized.
http://onsemi.com
5
5 Page 
NCP6360
TYPICAL OPERATING CHARACTERISTICS
PVIN = EN = 3.6 V, L = 0.47 mH, COUT = 4.7 mF, CIN = 10 mF, Fsw = 6 MHz, TA = 25°C (unless otherwise noted)
Figure 33. Load Transient Response w/ DVmeas <
50 mV Peak, IOUT = 10 to 60 mA, VOUT = 2.5 V
Figure 34. Power−up Transient Response
PVIN = 4.2 V, VOUT = 3.4 V, RL = 2.5 kW
Figure 35. Power−up Transient Response
PVIN = 4.2 V, VOUT = 3.4 V, RL = 10 W
Figure 36. Power−down Transient Response
PVIN = 4.2 V, VOUT = 3.4 V, RL = 10 W
http://onsemi.com
11
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| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet NCP6360.PDF ] | |
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