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參數(shù)資料
| 型號(hào)： | UCC2807PW-3 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Programmable Maximum Duty Cycle PWM Controller |
| 中文描述： | 可編程最大占空比PWM控制器 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大小： | 314K |
| 代理商： | UCC2807PW-3 |
1
UCC1807-1/-2/-3
UCC2807-1/-2/-3
UCC3807-1/-2/-3
DESCRIPTION
The UCC3807 family of high speed, low power integrated circuits contains
all of the control and drive circuitry required for off-line and DC-to-DC fixed
frequency current mode switching power supplies with minimal external
parts count.
These devices are similar to the UCC3800 family, but with the added fea-
ture of a user programmable maximum duty cycle. Oscillator frequency and
maximum duty cycle are programmed with two resistors and a capacitor.
The UCC3807 family also features internal full cycle soft start and internal
leading edge blanking of the current sense input.
The UCC3807 family offers a variety of package options, temperature
range options, and choice of critical voltage levels. The family has UVLO
thresholds and hysteresis levels for off-line and battery powered systems.
Thresholds are shown in the table below.
Programmable Maximum Duty Cycle PWM Controller
FEATURES
User Programmable Maximum PWM
Duty Cycle
100 A Startup Current
Operation to 1MHz
Internal Full Cycle Soft Start
Internal Leading Edge Blanking of
Current Sense Signal
1A Totem Pole Output
SLUS163 - JUNE 1997
BLOCK DIAGRAM
UDG-95001-1
Part Number
UCCx807-1
UCCx807-2
UCCx807-3
Turn-on Threshold
7.2V
12.5V
4.3V
Turn-off Threshold
6.9V
8.3V
4.1V
Packages
J
N, D
N, D, PW
application
INFO
available
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UCC2807PW-3G4 | 功能描述:電流型 PWM 控制器 Programmable Maximum Duty Cycle RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| UCC2807PWTR-3 | 功能描述:電流型 PWM 控制器 Programmable Maximum Duty Cycle RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| UCC2807PWTR-3G4 | 功能描述:電流型 PWM 控制器 Programmable Maximum Duty Cycle RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| UCC2808 WAF | 制造商:Texas Instruments 功能描述: |
| UCC2808-1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW POWER CURRENT MODE PUSH-PULL PWM |
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