© Semiconductor Components Industries, LLC, 2006
March, 2006 -- Rev. 11
1 Publication Order Number:
NCV8800/D
NCV8800 Series
Synchr onous Buck Regulator
with 1.0 Amp Switch
The NCV8800 is an automotive synchronous step--down buck
regulator. This part provides an efficient step--down voltage compared
to linear regulators. The NCV8800 uses very few external components
allowing for maximum use of printed circuit board space.
Features
Output Voltage Options: 2.6 V, 3.3 V, 5.0 V, 7.5 V
±3.0% Output
3.5 V Operation
AUXILIARY Hold Up Pin (for Cranking Conditions)
On--Chip Switching Power Devices (0.4 R
DS(ON)
)
Constant Frequency
Synchronous Operation
On --Chip Charge Pump Control Circuitry
Nonoverlap Logic
Power Up Sequencing Control Option (2.6 V and 3.3 V Only)
ENABLE Battery Voltage Capable Option
Selectable Reset Delay
Dual Pin Feedback Connection
V
2
Control Topology
Internally Fused Leads in SO--16L Package
NCV Prefix for Automotive and Other Applications Requiring Site
and Change Control
These devices are available in Pb--free package(s). Specifications herein
apply to both standard and Pb--free devices. Please see our website at
www.onsemi.com for specific Pb--free orderable part numbers, or
contact your local ON Semiconductor sales office or representative.
Typical Applications
Telecommunications
Mobile Multimedia
Instrumentation
Automotive Entertainment Systems
SO--16L
DW SUFFIX
CASE 751G
1
16
NCV8800xy
AWLYYWW
COMPFB2
1
16
NCFB1
V
IN2
DELAY
GNDGND
GNDGND
SWITCH
RESET
CPENABLE
V
IN
AUXILIARY
PIN CONNECTIONS AND
MARKING DIAGRAM
x = Voltage Ratings as Indicated Below:
2=2.6V
3=3.3V
5=5.0V
7=7.5V
y = ENABLE Option as Indicated Below:
S = Sequenced
H = High Voltage
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
See detailed ordering and shipping informationinthepackage
dimensions section on page 12 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
NCV8800 Series
http://onsemi.com
2
10
20
30
40
50
60
70
80
90
100
0 100 200 300 400 500 600 700 800
LOAD CURRENT (mA)
EFFICIENCY (%)
Figure 1. Efficiency vs. Load Current
V
OUT
=7.5V
V
OUT
=5.0V
V
OUT
=3.3V
V
OUT
=2.6V
V
IN
= 13.5 V
L =100 mH
0
NCV8800 Series
http://onsemi.com
3
Figure 2. Application Diagram
AUXILIARY
ENABLE
RESET
GND
GND
DELAY
FB1
FB2
V
IN
CP
SWITCH
GND
GND
V
IN2
NC
COMP
NCV8800
5.1 k
RESET
0.1 μF
100 μF
100 μH
0.01 μF
V
BAT
V
OUT
External Regulator
Auxiliary Supply
(optional)
0.1 μF
1.0 k
10 μF*
*The supply capacitor
must be located
physically close to
the IC pins.
100
0.01 μF
MRA4004T3
Figure 3. Typical Operation With An 8.0 Load

NCV8800HDW33

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
IC REG BUCK 3.3V 1A 16SOIC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union