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零件编号 | SD45215 | ||
描述 | HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER | ||
制造商 | SILAN | ||
LOGO | |||
1 Page
SD45215_Datasheet
HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER WITH
ADJUSTABLE CURRENT LIMIT FOR AUTOMOTIVE APPLICATIONS
DESCRIPTION
The SD45215 is a high efficiency step down DC-DC converter with
adjustable current limit in compact SOP-8 package, including an
error amplifier, ramp generator, current comparator, slope
compensation, current sense and logic driver. It also integrates a
current error amplifier to have a constant voltage and constant
current control.
Peak current mode PWM control with external adjustable
compensation provides a stable and high efficient operation over a
SOP-8-225-1.27
wide range of load currents. By means of an on board current sense
resistor and the availability of the current sense pins, a current limit
programming is very simple and accurate.
The internal robust PMOS transistor with a typical of 150 mΩ
assures high efficiency even at high output current level. The internal
limiting current of typical value of 3 A, output short and over APPLICATIONS
temperature protection, protect the device from accidental damage.
The internal fixed switching frequency of 120 kHz, and the SOP-8 * Automotive applications
package pin allow building an ultra compact DC/ DC converter with a * Chargers for NiCd, NiMH batteries
minimum board space.
* Simple step-down converters with
FEATURES
adjustable current limit
* Adjustable current generator
* Up to 1.5A output current
* Up to 90% Efficiency
* Input Voltage Range: 8V to 30V
* 120 kHz Internal Jitter Frequency for lower EMI
* Patent -Pending Short Circuit Protection
* Patent -Pending Output Voltage Compensation
* Adjustable current limit
* Over Temperature Protection
* Small SOP-8 Package
ORDERING INFORMATION
Part No.
SD45215SA
SD45215SATR
Package
SOP-8-225-1.27
SOP-8-225-1.27
Marking
45215SA
45215SA
Material
Pb free
Pb free
Packing
Tube
Tape&Reel
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.3
2011.04.21
Page 1 of 8
Free Datasheet http://www.Datasheet4U.com
SD45215_Datasheet
ATTACHMENT
Revision History
Date
2010.09.14
2010.10.20
2011.04.21
REV
1.0
1.1
1.3
Description
Original
Modify the template of Datasheet
Modify “FEATURES”, “ORDERING INFORMATION”, “ABSOLUTE
MAXIMUM RATINGS”, “ELECTRICAL CHARACTERISTICS”,
“APPLICATIONS INFORMATION ”, “TYPICAL APPLICATION CIRCUIT”,
“PACKAGE OUTLINE”
Page
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.3
2011.04.21
Page 8 of 8
Free Datasheet http://www.Datasheet4U.com
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页数 | 8 页 | ||
下载 | [ SD45215.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
SD45215 | HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER | SILAN |
SD45216 | HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER | Silan Microelectronics |
SD45216JA | HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER | Silan Microelectronics |
SD45216JAG | HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER | Silan Microelectronics |
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