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參數(shù)資料
| 型號(hào)： | UCC3806L |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A SWITCHING CONTROLLER, CQCC20 |
| 封裝： | LCC-20 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大小： | 118K |
| 代理商： | UCC3806L |
UCC1806
UCC2806
UCC3806
Low Power, Dual Output, Current Mode PWM Controller
FEATURES
BiCMOS Version of UC1846 Families
1.4mA Maximum Operating Current
100
μ
A Maximum Startup Current
1.0A Peak Output Current
125nsec Circuit Delay
Easier Parallelability
Improved Benefits of Current Mode
Control
DESCRIPTION
The UCC1806 family of BiCMOS PWM controllers offers exceptionally im-
proved performance with a familiar architecture. With the same block dia-
gram and pinout of the popular UC1846 series, the UCC1806 line features
increased switching frequency capability while greatly reducing the bias
current used within the device. With a typical startup current of 50
μ
A and a
well defined voltage threshold for turn-on, these devices are favored for ap-
plications ranging from off-line power supplies to battery operated portable
equipment. Dual high current, FET driving outputs and a fast current sense
loop further enhance device versatility.
All the benefits of current mode control including simpler loop closing, volt-
age feed-forward, parallelability with current sharing, pulse-by-pulse current
limiting, and push-pull symmetry correction are readily achievable with the
UCC1806 series.
(continued)
10
7
3
8
SYNC
9
RT
4.4V
1.5V
OSC
LO
CT
3X
4
5
EA
6
120
μ
A
1
S
1
QB
R
S
2
13
VC
11
AOUT
14
BOUT
12
GND
T
Q
QB
SHUTDOWN
LOCK OUT
S
1
Q
R
S
2
200
μ
A
Q
R
S
16
200k
1.00V
0.35V
Q
R
S
CURRENT LIMIT
RESTART
UNDER VOLTAGE LOCKOUT
15
15V
5.1V
REFERENCE
REGULATOR
REFERENCE LOW
4.25V
2
CURLIM
SHUTDOWN
VREF
0.5V
–
+
COMP
7.0V
7.5V
CS–
CS+
NI
INV
COMP
VIN
BLOCK DIAGRAM
SLUS272A - FEBRUARY 2000
UDG-99035
application
INFO
available
Pin numbers refer to DIL-16 package.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UCC3806M | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:LOW-POWER, DUAL-OUTPUT, CURRENT-MODE PWM CONTROLLER |
| UCC3806N | 功能描述:電流型 PWM 控制器 Low Power Dual Out Current Mode 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 |
| UCC3806N | 制造商:Texas Instruments 功能描述:IC DUAL OUTPUT PWM 3806 DIP16 |
| UCC3806N | 制造商:Texas Instruments 功能描述:IC CURRENT MODE PWM CTRL 14.5V 16-DIP 制造商:Texas Instruments 功能描述:IC, CURRENT MODE PWM CTRL, 14.5V, 16-DIP |
| UCC3806NG4 | 功能描述:電流型 PWM 控制器 Low Power Dual Out Current Mode 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 |
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