- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄361543 > UC284XA (意法半導(dǎo)體) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER PDF資料下載
參數(shù)資料
| 型號： | UC284XA |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER |
| 中文描述： | 高性能電流模式PWM控制器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 171K |
| 代理商： | UC284XA |
UC384XA - UC284XA
4/16
Notes: 1. Max package power dissipation limits must be respected; low duty cycle pulse techniques are used during test maintain T
j
as close
to T
amb
as possible.
2. These parameters, although guaranteed, are not 100% tested in production.
3. Parameter measured at trip point of latch with V
PIN2
= 0.
4. Gain defined as : A =
V
PIN1
/
V
PIN3
; 0
≤
V
PIN3
≤
0.8V
5. Adjust V
i
above the start threshold before setting at 15 V.
OUTPUT SECTION
V
OL
Output Low Level
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
V
CC
= 6V; I
SINK
= 1mA
T
j
= 25°C
C
L
= 1nF
(2)
T
j
= 25°C
C
L
= 1nF
(2)
0.1
1.6
0.4
2.2
0.1
1.6
0.4
2.2
V
V
V
OH
Output High Level
13
13.5
13
13.5
V
12
13.5
0.7
12
13.5
0.7
V
V
V
OLS
UVLO Saturation
1.2
1.2
t
r
Rise Time
50
150
50
150
ns
t
f
Fall Time
50
150
50
150
ns
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold
X842A/4A
X843A/5A
X842A/4A
15
7.8
9
16
8.4
10
17
9.0
11
14.5
7.8
8.5
16
8.4
10
17.5
9.0
11.5
V
V
V
Min Operating Voltage
After Turn-on
PWM SECTION
Maximum Duty Cycle
X842A/3A
X844A/5A
94
47
96
48
100
50
0
94
47
96
48
100
50
0
%
%
%
Minimum Duty Cycle
TOTAL STANDBY CURRENT
I
st
Start-up Current
V
i
= 6.5V for UCX843A/
45A
V
i
= 14V for UCX842A/44A
V
PIN2
= V
PIN3
= 0V
I
i
= 25mA
0.3
0.5
0.3
0.5
mA
0.3
0.5
0.3
0.5
mA
I
i
Operating Supply Current
Zener Voltage
12
36
17
12
36
17
mA
V
V
iz
30
30
Table 5. Electrical Characteristcs
(continued)
( [note 1] Unless otherwise stated, these specifications apply for -25 < T
amb
< 85°C for UC284XA;
0 < T
amb
< 70°C for UC384XA; V
i
= 15V (note 5); R
T
= 10K; C
T
= 3.3nF)
Symbol
Parameter
Test Condition
UC284XA
Min. Typ.
UC384XA
Min. Typ.
Unit
Max.
Max.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UC3500 | HIGH EFFICIENCY VFM CONTROLLED STEP-UP DC/DC CONVERTER |
| UC3550 | PWM CONTROLLED，PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER |
| UC3550-33-AF5-R | PWM CONTROLLED，PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER |
| UC3550-50-AF5-R | PWM CONTROLLED，PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER |
| UC3550L-33-AF5-R | PWM CONTROLLED，PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC284XAD | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XADM | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XAM | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XAY | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XBD | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。