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LM4510SDNOPB データシート(PDF) 1 Page - Texas Instruments

部品番号 LM4510SDNOPB
部品情報  LM4510 Synchronous Step-Up DC/DC Converter with True Shutdown Isolation
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LM4510SDNOPB データシート(HTML) 1 Page - Texas Instruments

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VIN 2.7V ± 5.5V
4.7 PF
LOAD
PGND
EN
AGND
COMP
SS
FB
L = 4.7 PH
VIN
SW
VOUT
CIN
CS
RF1
RF2
CC1
RC
CC2
VOUT 16.0V
COUT
10 PF
240k
20.5k
46.4k
2.2 nF
15 pF
10 nF
LM4510
www.ti.com
SNVS533C – SEPTEMBER 2007 – REVISED MAY 2013
LM4510 Synchronous Step-Up DC/DC Converter with True Shutdown Isolation
Check for Samples: LM4510
1
FEATURES
APPLICATIONS
2
18V@80 mA from 3.2V Input
Organic LED Panel Power Supply
5V@280 mA from 3.2V Input
Charging Holster
No External Schottky Diode Required
White LED Backlight
85% Peak Efficiency
USB Power Supply
Soft Start
Class D Audio Amplifier
True Shutdown Isolation
Camera Flash LED Driver
Stable with Small Ceramic or Tantalum Output
DESCRIPTION
Capacitors
The LM4510 is a current mode step-up DC/DC
Output Short-Circuit Protection
converter with a 1.2A internal NMOS switch designed
Feedback Fault Protection
to deliver up to 120 mA at 16V from a Li-Ion battery.
Input Under-Voltage Lock Out
The device's synchronous switching operation (no
Thermal Shutdown
external Schottky diode) at heavy-load, and non-
0.002 µA Shutdown Current
synchronous
switching
operation
at
light-load,
maximizes power efficiency.
Wide Input Voltage Range: 2.7V to 5.5V
True shutdown function by synchronous FET and
1.0 MHz Fixed Frequency Operation
related circuitry ensures input and output isolation.
Low-profile 10–pin SON Package (3mm x 3mm
x 0.8mm)
A programmable soft-start circuit allows the user to
limit the amount of inrush current during startup. The
output voltage can be adjusted by external resistors.
Typical Application Circuit
Figure 1. Typical Application Circuit
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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