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LV5749NV の電気的特性と機能

LV5749NVのメーカーはON Semiconductorです、この部品の機能は「1-channel Step-down Switching Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 LV5749NV
部品説明 1-channel Step-down Switching Regulator
メーカ ON Semiconductor
ロゴ ON Semiconductor ロゴ 




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LV5749NV Datasheet, LV5749NV PDF,ピン配置, 機能
Ordering number : ENA1684
LV5749NV
Bi-CMOS LSI
1-channel Step-down
Switching Regulator
http://onsemi.com
Application
The LV5749NV is a 1-channel step-down switching regulator.
Functions
1 channel step-down switching regulator controller.
Load-independent soft start circuit.
ON/OFF function.
Built-in pulse-by-pulse OCP circuit. It is detected by using ON resistance of an external MOS.
Synchronous rectification.
Current mode control.
Synchronous drive by external signal.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
supply voltage
Allowable Power dissipation
Operating temperature
Storage temperature
Symbol
VIN max
Pd max
Topr
Tstg
Conditions
Mounted on a specified board. *
* : When mounted on the specified printed circuit board (114.3mm × 76.1mm × 1.6mm), glass epoxy
Ratings
45
0.74
-40 to +85
-55 to +150
Unit
V
W
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Recommended Operating Range at Ta = 25°C
Parameter
Supply voltage range
Error amplifier input voltage
Symbol
VIN
Conditions
Ratings
8.5 to 42
0 to 1.6
Unit
V
V
Semiconductor Components Industries, LLC, 2013
August, 2013
82510 SY 20100312-S00001 No.A1684-1/6

1 Page





LV5749NV pdf, ピン配列
Package Dimensions
unit : mm (typ)
3178B
5.2
16
9
1
(0.33)
0.65
8
0.22
0.15
LV5749NV
Pd max -- Ta
1.0
Specified circuit board :
114.3 ×76.1× 1.6mm3
glass epoxy board
0.8
0.7
0.6
0.4 0.38
0.2
0
-40 -20 0 20 40 60 80 100
Ambient temperature, Ta -- C
SANYO : SSOP16(225mil)
Pin Assignment
FB 1
COMP 2
EN 3
RT 4
SYNC 5
SW 6
CBOOT 7
HDRV 8
LV5749NV
16 SS
15 ILIM
14 VIN
13 OCP
12 MODE
11 GND
10 VDD
9 LDRV
Top view
No.A1684-3/6


3Pages


LV5749NV 電子部品, 半導体
Sample Application Circuit
LV5749NV
VIN = 8.5V to 12V
SYNC
H/L
ON/OFF
SS
C6
1000pF
14 15
5 SYNCVIN
ILIM
CBOOT 7
12 MODE
HDRV 8
3 EN
SW 6
16 SS
LDRV 9
2 COMP
FB 1
C4
OPEN
4 RT
GND OCP VDD 10
11 13
C11
680pF
D1
DSE010
Q1
MCH6406
Q1
MCH6406
VOUT = 5V
C12
OPEN
C10
OPEN
ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number
of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at
www.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no
warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the
application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental
damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual
performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical
experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use
as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in
which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for
any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors
harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or
death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the
part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PS No.A1684-6/6

6 Page



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共有リンク

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部品番号部品説明メーカ
LV5749NV

1-channel Step-down Switching Regulator

Sanyo Semicon Device
Sanyo Semicon Device
LV5749NV

1-channel Step-down Switching Regulator

ON Semiconductor
ON Semiconductor


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