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參數(shù)資料
| 型號： | UC3846FN |
| 英文描述： | Low voltage CMOS quad bus buffers (3-state) high performance |
| 中文描述： | 電流模式開關(guān)電源控制器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 576K |
| 代理商： | UC3846FN |
2
UC1842/3/4/5
UC2842/3/4/5
UC3842/3/4/5
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (Low Impedance Source) . . . . . . . . . . . . . . 30V
Supply Voltage (I
CC
< 30mA) . . . . . . . . . . . . . . . . . Self Limiting
Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
1A
Output Energy (Capacitive Load). . . . . . . . . . . . . . . . . . . . . 5
μ
J
Analog Inputs (Pins 2, 3). . . . . . . . . . . . . . . . . . . -0.3V to +6.3V
Error Amp Output Sink Current . . . . . . . . . . . . . . . . . . . . 10mA
Power Dissipation at T
A
≤ 25°Χ (
DIL
8) . . . . . . . . . . . . . . . . . . 1
Power Dissipation at T
A
≤
25°C (SOIC-14) . . . . . . . . . . 725mW
Storage Temperature Range. . . . . . . . . . . . . . -65°C to +150°C
Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . 300°C
Note 1:
All voltages are with respect to Pin 5.
All currents are positive into the specified terminal.
Consult Packaging Section of Databook for thermal
limitations and considerations of packages.
CONNECTION DIAGRAMS
DIL-8, SOIC-8 (TOP VIEW)
N or J Package, D8 Package
PLCC-20 (TOP VIEW)
Q Package
SOIC-14, CFP-14. (TOP VIEW)
D or W Package
PACKAGE PIN FUNCTION
FUNCTION
N/C
COMP
N/C
N/C
V
FB
N/C
I
SENSE
N/C
N/C
R
T
/C
T
N/C
PWR GND
GROUND
N/C
OUTPUT
N/C
V
C
V
CC
N/C
V
REF
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Package
TA
≤
25°C
Power Rating
700 mW
Derating Factor
Above TA
≤
25°C
5.5 mW/°C
TA
≤
70°C
Power Rating
452 mW
TA
≤
85°C
Power Rating
370 mW
TA
≤
125°C
Power Rating
150 mW
W
DISSIPATION RATING TABLE
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC3846G-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS |
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| UC3846L-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS |
| UC3846N | 功能描述:電流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| UC3846N | 制造商:UNITRODE 功能描述:IC CURRENT MODE PWM |
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