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參數(shù)資料
| 型號(hào)： | UCC3813NTR-0 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Low Power Economy BiCMOS Current Mode PWM |
| 中文描述： | 低功耗經(jīng)濟(jì)的BiCMOS電流模式PWM |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 215K |
| 代理商： | UCC3813NTR-0 |
UCC2813-0/-1/-2/-3/-4/-5
UCC3813-0/-1/-2/-3/-4/-5
04/99
FEATURES
100
μ
A Typical Starting Supply Current
500
μ
A Typical Operating Supply Current
Operation to 1MHz
Internal Soft Start
Internal Fault Soft Start
Internal Leading-Edge Blanking of the
Current Sense Signal
1 Amp Totem-Pole Output
70ns Typical Response from
Current-Sense to Gate Drive Output
1.5% Tolerance Voltage Reference
Same Pinout as UCC3802, UC3842, and
UC3842A
DESCRIPTION
The UCC3813-0/-1/-2/-3/-4/-5 family of high-speed, low-power inte-
grated circuits contain all of the control and drive components required
for off-line and DC-to-DC fixed frequency current-mode switching power
supplies with minimal parts count.
These devices have the same pin configuration as the UC3842/3/4/5
family, and also offer the added features of internal full-cycle soft start
and internal leading-edge blanking of the current-sense input.
The UCC3813-0/-1/-2/-3/-4/-5 family offers a variety of package options,
temperature range options, choice of maximum duty cycle, and choice
of critical voltage levels. Lower reference parts such as the UCC3813-3
and UCC3813-5 fit best into battery operated systems, while the higher
reference and the higher UVLO hysteresis of the UCC3813-2 and
UCC3813-4 make these ideal choices for use in off-line power supplies.
The UCC2813-x series is specified for operation from –40°C to +85°C
and the UCC3813-x series is specified for operation from 0°C to +70°C.
BLOCK DIAGRAM
Low Power Economy BiCMOS Current Mode PWM
UDG-96134
Part Number
UCCx813-0
UCCx813-1
UCCx813-2
UCCx813-3
UCCx813-4
UCCx813-5
Maximum Duty Cycle
100%
50%
100%
100%
50%
50%
Reference Voltage
5V
5V
5V
4V
5V
4V
Turn-On Threshold
7.2V
9.4V
12.5V
4.1V
12.5V
4.1V
Turn-Off Threshold
6.9V
7.4V
8.3V
3.6V
8.3V
3.6V
ORDERING INFORMATION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UCC3813NTR-1 | Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-2 | Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-3 | Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-4 | Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-5 | Low Power Economy BiCMOS Current Mode PWM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UCC3813NTR-1 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-2 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-3 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-4 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Low Power Economy BiCMOS Current Mode PWM |
| UCC3813NTR-5 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Low Power Economy BiCMOS Current Mode PWM |
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