音影先锋亚洲天堂网|电影世界尽头的爱完整版播放|国产 熟女 91|高清无码免费观看欧美日韩|韩国一区二区三区黄色录像|美女亚洲加勒比在线|亚洲综合网 开心五月|7x成人在线入口|成人网站免费日韩毛片区|国产黄片?一级?二级?三级

DRV591GQE Datasheet

  • DRV591GQE

  • Analog IC

  • 19頁

  • ETC

掃碼查看芯片數(shù)據(jù)手冊(cè)

上傳產(chǎn)品規(guī)格書

PDF預(yù)覽

DRV591
SLOS389 鈥?NOVEMBER 2001
鹵3-A
HIGH-EFFICIENCY PWM POWER DRIVER
FEATURES
D
鹵3-A
Maximum Output Current
D
Low Supply Voltage Operation: 2.8 V to 5.5 V
D
High Efficiency Generates Less Heat
D
Over-Current and Thermal Protection
D
Fault Indicators for Over-Current, Thermal and
D
D
D
D
Under-Voltage Conditions
Two Selectable Switching Frequencies
Internal or External Clock Sync
PWM Scheme Optimized for EMI
9脳9 mm PowerPAD錚?Quad Flatpack or
5脳5 mm MicroStar Junior錚?Packages
DESCRIPTION
The DRV591 is a high-efficiency, high-current power
amplifier ideal for driving a wide variety of thermo-
electric cooler elements in systems powered from 2.8 V
to 5.5 V. PWM operation and low output stage
on-resistance significantly decrease power dissipation
in the amplifier.
The DRV591 is internally protected against thermal and
current overloads. Logic-level fault indicators signal
when the junction temperature has reached
approximately 130擄C to allow for system-level
shutdown before the amplifier鈥檚 internal thermal
shutdown circuitry activates. The fault indicators also
signal when an over-current event has occurred. If the
over-current circuitry is tripped, the DRV591
automatically resets (see application information
section for more details).
The PWM switching frequency may be set to 500 kHz
or 100 kHz depending on system requirements. To
eliminate external components, the gain is fixed at
approximately 2.34 V/V.
VDD
APPLICATIONS
D
Thermoelectric Cooler (TEC) Driver
D
Laser Diode Biasing
10
碌F
1
碌F
OUT+
OUT+
FREQ
PVDD
PVDD
INT/
EXT
PVDD
OUT+
1
碌F
120 k鈩?/div>
220 pF
1
碌F
10
碌H
OUT+
PGND
PGND
PGND
PGND
PGND
PGND
OUT鈥?/div>
10
碌F
AVDD
ROSC
COSC
AREF
IN+
IN鈥?/div>
AGND (Connect to PowerPAD)
To TEC or Laser
Diode Anode
DC Control
Voltage
1 k鈩?/div>
1 k鈩?/div>
FAULT1
FAULT0
Shutdown Control
SHUTDOWN
PVDD
PVDD
PVDD
OUT鈥?/div>
OUT鈥?/div>
OUT鈥?/div>
FAULT1
FAULT0
1
碌F
10
碌H
10
碌F
To TEC or Laser
Diode Cathode
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.
PowerPAD and MicroStar Junior are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2001, Texas Instruments Incorporated
www.ti.com
1

DRV591GQE相關(guān)型號(hào)PDF文件下載

掃碼下載APP，
一鍵連接廣大的電子世界。

在線人工客服

買家服務(wù)：
賣家服務(wù)：
技術(shù)客服：

0571-85317607

網(wǎng)站技術(shù)支持

13606545031

客服在線時(shí)間周一至周五
9:00-17:30

關(guān)注官方微信號(hào)，
第一時(shí)間獲取資訊。

建議反饋

聯(lián)系人：

聯(lián)系方式：

按住滑塊，拖拽到最右邊
>>
感謝您向阿庫(kù)提出的寶貴意見，您的參與是維庫(kù)提升服務(wù)的動(dòng)力！意見一經(jīng)采納，將有感恩紅包奉上哦！