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NCV890200 PDF даташит

Спецификация NCV890200 изготовлена ​​​​«ON Semiconductor» и имеет функцию, называемую «2MHz Automotive Buck Switching Regulator».

Детали детали

Номер произв NCV890200
Описание 2MHz Automotive Buck Switching Regulator
Производители ON Semiconductor
логотип ON Semiconductor логотип 

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NCV890200 Даташит, Описание, Даташиты
NCV890200
2 A, 2 MHz Automotive
Buck Switching Regulator
The NCV890200 is a fixed−frequency, monolithic, Buck switching
regulator intended for Automotive, battery−connected applications
that must operate with up to a 36 V input supply. The regulator is
suitable for systems with low noise and small form factor
www.onsemi.com
requirements often encountered in automotive driver information
systems. The NCV890200 is capable of converting the typical 4.5 V to
18 V automotive input voltage range to outputs as low as 3.3 V at a
constant switching frequency above the sensitive AM band,
MARKING
DIAGRAM
8
eliminating the need for costly filters and EMI countermeasures. The
NCV890200
NCV890200 also provides several protection features expected in
Automotive power supply systems such as current limit, short circuit
protection, and thermal shutdown. In addition, the high switching
frequency produces low output voltage ripple even when using small
8
1
SOIC−8 EP
CASE 751AC
ALYWX
G
1
inductor values and an all−ceramic output filter capacitor − forming a
space−efficient switching regulator solution.
A = Assembly Location
L = Wafer Lot
Y = Year
Features
Internal N−Channel Power Switch
W = Work Week
G = Pb−Free Device
Low VIN Operation Down to 4.5 V
High VIN Operation to 36 V
Withstands Load Dump to 40 V
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
2 MHz Free−running Switching Frequency
Logic level Enable Input Can be Directly Tied to Battery
2.2 A (min) Cycle−by−Cycle Peak Current Limit
Short Circuit Protection enhanced by Frequency Foldback
±1.75% Output Voltage Tolerance
Output Voltage Adjustable Down to 0.8 V
1.4 Millisecond Internal Soft−Start
These Devices are Pb−Free and are RoHS Compliant
Thermal Shutdown (TSD)
Applications
Low Shutdown Current
Audio
NCV Prefix for Automotive and Other Applications
Infotainment
Requiring Unique Site and Control Change
Safety − Vision Systems
Requirements; AEC−Q100 Qualified and PPAP
Capable
Instrumentation
VIN
CIN
EN
CDRV
NCV890200
1 VIN
SW 8
2 DRV
BST 7
3 GND
FB 6
4 EN COMP 5
DBST
CBST
L1
DFW
RFB1
VOUT
COUT
RCOMP
CCOMP
RFB2
Figure 1. Typical Application
© Semiconductor Components Industries, LLC, 2014
October, 2014 − Rev. 2
1
Publication Order Number:
NCV890200/D









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NCV890200 Даташит, Описание, Даташиты
NCV890200
VIN
CIN
VIN
DRV
GND
Enable
EN
3.3 V
Reg
Oscillator
PWM
LOGIC
ON OFF
2A
++S +
TSD
VOLTAGES
MONITORS
Soft−Start
RESET
+
CDRV
SW
DBST
L1
CBST
BST
DFW
COUT
FB
COMP
RCOMP
CCOMP
Figure 2. NCV890200 Block Diagram
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NCV890200 Даташит, Описание, Даташиты
NCV890200
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Min/Max Voltage VIN
−0.3 to 40
V
Max Voltage VIN to SW
40 V
Min/Max Voltage SW
−0.7 to 40
V
Min Voltage SW − 20ns
−3.0 V
Min/Max Voltage BST
−0.3 to 40
Min/Max Voltage BST to SW
−0.3 to 3.6
V
Min/Max Voltage on EN
−0.3 to 40
V
Min/Max Voltage COMP
−0.3 to 2
V
Min/Max Voltage FB
−0.3 to 18
V
Min/Max Voltage DRV
−0.3 to 3.6
V
Thermal Resistance, Junction−to−Ambient*
Storage Temperature range
RqJA
40
−55 to +150
°C/W
°C
Operating Junction Temperature Range
ESD withstand Voltage
Human Body Model
Machine Model
Charge Device Model
TJ
VESD
−40 to +150
2.0
200
>1.0
°C
kV
V
kV
Moisture Sensitivity
MSL
Level 2
Peak Reflow Soldering Temperature
260 °C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
*Mounted on 1 sq. in. of a 4−layer PCB with 1 oz. copper thickness.
www.onsemi.com
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