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參數(shù)資料
| 型號： | UC3843W |
| 英文描述： | Low voltage CMOS 16-bit D-type flip-flop (3-state) with 3.6V tolerant inputs and outputs |
| 中文描述： | 開關(guān)電源控制器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 576K |
| 代理商： | UC3843W |
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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| UC1842D8 | Automotive 8-bit MCU, with up to 32 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, SPI, I2C, 3 V to 5.5 V |
| UC1842D8TR | Automotive 8-bit MCU, with up to 32 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, SPI, I2C, 3 V to 5.5 V |
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| UC1842N | Dual 5V regulator with reset |
| UC1842Q | Dual 5V regulator with reset and disable |
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| UC3844 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:SMPS Controller |
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| UC3844_11 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS |
| UC3844A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Current Mode PWM Controller |
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