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參數(shù)資料
| 型號： | UCC2895QTR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | BiCMOS Advanced Phase Shift PWM Controller |
| 中文描述： | BiCMOS工藝先進相移PWM控制器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 291K |
| 代理商： | UCC2895QTR |
UCC1895
UCC2895
UCC3895
DESCRIPTION
The UCC3895 is a phase shift PWM controller that implements control of a
full-bridge power stage by phase shifting the switching of one half-bridge
with respect to the other. It allows constant frequency pulse-width modula-
tion in conjunction with resonant zero-voltage switching to provide high effi-
ciency at high frequencies. The part can be used either as a voltage mode
or current mode controller.
While the UCC3895 maintains the functionality of the UC3875/6/7/8 family
and UC3879, it improves on that controller family with additional features
such as enhanced control logic, adaptive delay set, and shutdown capabil-
ity. Since it is built in BCDMOS, it operates with dramatically less supply
current than it’s bipolar counterparts. The UCC3895 can operate with a
maximum clock frequency of 1MHz.
The UCC3895 and UCC2895 are offered in the 20 pin SOIC (DW) pack-
age, 20 pin PDIP (N) package, 20 pin TSSOP (PW) package, and 20 pin
PLCC (Q). The UCC1895 is offered in the 20 pin CDIP (J) package, and 20
pin CLCC package (L).
BiCMOS Advanced Phase Shift PWM Controller
FEATURES
Programmable Output Turn-on Delay
Adaptive Delay Set
BidirectionalOscillatorSynchronization
Capability for Voltage Mode or Current
Mode Control
Programmable Soft Start/Soft Stop
and Chip Disable via a Single Pin
0% to 100% Duty Cycle Control
7MHz Error Amplifier
Operation to 1MHz
Low Active Current Consumption
(5mA Typical @ 500kHz)
Very Low Current Consumption
During Undervoltage Lock-out
(150 A typical)
SLUS157B - DECEMBER 1999 - REVISED JANUARY 2001
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70
2
3
4
5
6
7
8
9
UCC3895
EAN
EAP
EAOUT
RAMP
REF
GND
SYNC
CT
RT
DELAB
DELCD
ADS
CS
OUTD
OUTC
VCC
PGND
OUTB
OUTA
SS/DISB
Q1
D
B
A
C
V
IN
V
OUT
V
BIAS
SIMPLIFIED APPLICATION DIAGRAM
UDG-98139
application
INFO
available
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UCC2897AEVM | 功能描述:電源管理IC開發(fā)工具 UCC2897A Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| UCC2897APW | 功能描述:電流型 PWM 控制器 Adv Crnt-Mode Active Clamp PWM Controller RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| UCC2897APW | 制造商:Texas Instruments 功能描述:Pulse Width Modulation (PWM) Controller 制造商:Texas Instruments 功能描述:IC, CURRENT MODE PWM CTRL, 16V, 20-TSSOP |
| UCC2897APWR | 功能描述:電流型 PWM 控制器 Adv Crnt-Mode Active Clamp PWM Controller RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| UCC2897ARGPR | 功能描述:電流型 PWM 控制器 Adv Crnt-Mode Active Clamp PWM Controller RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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