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参数资料
| 型号： | V62/03633-01XE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封装： | GREEN, PLASTIC, SOIC-16 |
| 文件页数： | 1/13页 |
| 文件大小： | 549K |
| 代理商： | V62/03633-01XE |
UC2832-EP
PRECISION LOW DROPOUT LINEAR CONTROLLER
SGLS147A – JANUARY 2003 – REVISED MARCH 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Controlled Baseline
– One Assembly/Test Site, One Fabrication
Site
D Extended Temperature Performance of
–40
°C to 105°C
D Enhanced Diminishing Manufacturing
Sources (DMS) Support
D Enhanced Product Change Notification
D Qualification Pedigree
D Precision 1% Reference
D Over-Current Sense Threshold Accurate to
5%
D Programmable Duty-Ratio Over-Current
Protection
Component qualification in accordance with JEDEC and industry
standards to ensure reliable operation over an extended
temperature range. This includes, but is not limited to, Highly
Accelerated Stress Test (HAST) or biased 85/85, temperature
cycle, autoclave or unbiased HAST, electromigration, bond
intermetallic life, and mold compound life. Such qualification
testing should not be viewed as justifying use of this component
beyond specified performance and environmental limits.
D 4.5 V to 36 V Operation
D 100 mA Output Drive, Source or Sink
D Under-Voltage Lockout
D Adjustable Current Limit to Current Sense
Ratio
D Separate +VIN terminal
D Programmable Driver Current Limit
D Access to VREF and E/A(+)
D Logic-Level Disable Input
description
The UC2832 series of precision linear regulators include all the control functions required in the design of very
low dropout linear regulators. Additionally, they feature an innovative duty-ratio current limiting technique which
provides peak load capability while limiting the average power dissipation of the external pass transistor during
fault conditions. When the load current reaches an accurately programmed threshold, a gated-astable timer is
enabled, which switches the regulator’s pass device off and on at an externally programmable duty-ratio. During
the on-time of the pass element, the output current is limited to a value slightly higher than the trip threshold
of the duty-ratio timer. The constant-current-limit is programmable on the UC2832 to allow higher peak current
during the on-time of the pass device. With duty-ratio control, high initial load demands and short circuit
protection may both be accommodated without extra heat sinking or foldback current limiting. Additionally, if the
timer pin is grounded, the duty-ratio timer is disabled, and the IC operates in constant-voltage/constant-current
regulating mode.
These IC’s include a 2 Volt (
±1%) reference, error amplifier, UVLO, and a high current driver that has both source
and sink outputs, allowing the use of either NPN or PNP external pass transistors. Safe operation is assured
by the inclusion of under-voltage lockout (UVLO) and thermal shutdown.
ORDERING INFORMATION
TA
PACKAGE§
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
–40
°C to 105°C
SOP – DW
Tape and reel
UC2832TDWREP
UC2832TEP
–40
°C to 105°C
SOP – DW
Tube
UC2832TDWEP
UC2832TEP
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
Copyright
2003, Texas Instruments Incorporated
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.
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.
DW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
+VIN
Comp/Shutdown
E/A(+)
+2V REF
GND
Logic Disable
Limit
Source
Current Sense(+)
Current Sense(–)
Timer RC
NC
VADJ
NC
Sink
E/A(–)
NC = No Connect
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相关代理商/技术参数 |
参数描述 |
|---|---|
| V62-05601-03XA | 制造商:TI 制造商全称:Texas Instruments 功能描述:Digital Signal Processors |
| V62-05601-03ZE | 制造商:TI 制造商全称:Texas Instruments 功能描述:Digital Signal Processors |
| V62-05611-01YE | 制造商:TI 制造商全称:Texas Instruments 功能描述:FAMILY OF 550-A/CH 3- MHZ RAIL-TO-RAIL INPUT/OUTPUT OPERATIONAL AMPLIFIERS |
| V6207602-01XE | 制造商:TI 制造商全称:Texas Instruments 功能描述:4 ppm100 A SOT23-6 SERIES VOLTAGE REFERENCES |
| V6207602-02XE | 制造商:TI 制造商全称:Texas Instruments 功能描述:4 ppm100 A SOT23-6 SERIES VOLTAGE REFERENCES |
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