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參數(shù)資料
| 型號： | UC3867J |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Resonant-Mode Power Supply Controllers |
| 中文描述： | 諧振模式電源控制器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 438K |
| 代理商： | UC3867J |
2
UC1861-1868
UC2861-2868
UC3861-3868
ABSOLUTE MAXIMUM RATINGS
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V
Output Current
Source or Sink (Pins 11 & 14) . . . . . . . . . . . . . . . . . . . . . 0.5A
DC Pulse (0.5
μ
s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Power Ground Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
0.2V
Inputs (Pins 2, 3, 10, & 15) . . . . . . . . . . . . . . . . . . . . –0.4 to 7V
Error Amp Output Current . . . . . . . . . . . . . . . . . . . . . . . .
±
2mA
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
Junction Temperature (Operating). . . . . . . . . . . . . . . . . . 150
°
C
Lead Temperature (Soldering, 10 seconds) . . . . . . . . . . 300
°
C
All voltages are with respect to signal ground and all currents
are positive into the specified terminal. Pin numbers refer to
the J and N packages. Consult Unitrode Integrated Circuits da-
tabook for information regarding thermal specifications and
limitations of packages.
DIL-16, SOIC-16 (Top View)
J or N, DW Packages
CONNNECTION DIAGRAMS
PLCC-20 & LCC-20 (Top View)
Q & L Package
DESCRIPTION (cont.)
UVLO thresholds for the UC1861/62/65/66 are 16.5V
(ON) and 10.5V (OFF), whereas the UC1863/64/67/68
thresholds are 8V (ON) and 7V (OFF). After V
CC
exceeds
the UVLO threshold, a 5V generator is enabled which
provides bias for the internal circuits and up to 10mA for
external usage.
A Fault comparator serves to detect fault conditions and
set a latch while forcing the output drivers low. The Soft-
Ref pin serves three functions: providing soft start, re-
start delay, and the internal system reference.
Each device features dual 1 Amp peak totem pole output
drivers for direct interface to power MOSFETS. The out-
puts
are
programmed
UC1861/63/65/67 devices.
puts operate in unison alllowing a 2 Amp peak current.
to
alternate
in
the
The UC1862/64/66/68 out-
PACKAGE PIN FUNCTION
FUNCTION
Soft Ref
5V
NI
INV
E/A Out
Sig Gnd
Range
R
MIN
C
VCO
RC
Zero
NC
NC
A Out
Pwr Gnd
Pwr Gnd
V
CC
B Out
NC
Fault
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
相關PDF資料 |
PDF描述 |
|---|---|
| UC3867JTR | Resonant-Mode Power Supply Controllers |
| UC3867L | Resonant-Mode Power Supply Controllers |
| UC3867LTR | Resonant-Mode Power Supply Controllers |
| UC3867NTR | Resonant-Mode Power Supply Controllers |
| UC3867QTR | Resonant-Mode Power Supply Controllers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UC3867N | 功能描述:電壓模式 PWM 控制器 Resonant-Mode RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| UC3867N | 制造商:Texas Instruments 功能描述:IC POWER SUPPLY CNTRLR 16-DIP 制造商:Texas Instruments 功能描述:IC, POWER SUPPLY CNTRLR 16-DIP 制造商:Texas Instruments 功能描述:IC, POWER SUPPLY CNTRLR 16-DIP; Primary Input Voltage:20V; Voltage Regulator Case Style:DIP; No. of Pins:16; Operating Temperature Min:0C; Operating Temperature Max:70C; SVHC:No SVHC (19-Dec-2012); Base Number:3867; ;RoHS Compliant: Yes |
| UC3867NG4 | 功能描述:電壓模式 PWM 控制器 Resonant-Mode RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| UC3868N | 功能描述:電壓模式 PWM 控制器 Resonant-Mode RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| UC3868NG4 | 功能描述:電壓模式 PWM 控制器 Resonant-Mode RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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