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參數(shù)資料
| 型號(hào)： | UC1843A |
| 廠商： | Microsemi Corporation |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 電流模式PWM控制器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 661K |
| 代理商： | UC1843A |
2
UC1842A/3A/4A/5A
UC2842A/3A/4A/5A
UC3842A/3A/4A/5A
DIL-8, SOIC-8 (TOP VIEW)
J or N, D8 Package
CONNECTION DIAGRAMS
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (Low Impedance Source) . . . . . . . . . . . . . . 30V
Supply Voltage (I
CC
mA) . . . . . . . . . . . . . . . . . . . . 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°C (DIL-8) . . . . . . . . . . . . . . . . 1W
Storage Temperature Range. . . . . . . . . . . . . . -65°C to +150°C
Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . 300°C
Note 1. All voltages are with respect to Ground, Pin 5. Currents
are positive into, negative out of the specified terminal. Consult
Packaging Section of Databook for thermal limitations and con-
siderations of packages. Pin numbers refer to DIL package only.
PLCC-20, LCC-20
(TOP VIEW)
Q, L Packages
SOIC-14 (TOP VIEW)
D Package
PACKAGE PIN FUNCTION
FUNCTION
N/C
Comp
N/C
V
FB
N/C
I
SENSE
N/C
R
T
/C
T
N/C
Pwr Gnd
Gnd
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
N/C
VREF
VCC
OUTPUT
VCC
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
N/C
N/C
N/C
RT/CT
N/C
COMP
VFB
ISENSE
PWRGND
N/C
10
9
SOIC-WIDE16 (TOP VIEW)
DW Package
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PDF描述 |
|---|---|
| UC1844AY | Single chip RDS demodulator |
| UC1874DW-1 | High Efficiency, Synchronous, Step-down Buck Controllers |
| UC1874DW-2 | High Efficiency, Synchronous, Step-down Buck Controllers |
| UC1874J-1 | High Efficiency, Synchronous, Step-down Buck Controllers |
| UC1874L-1 | High Efficiency, Synchronous, Step-down Buck Controllers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC1843A DIE | 制造商:Texas Instruments 功能描述: |
| UC1843AAY | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER |
| UC1843A-EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:CURRENT-MODE PWM CONTROLLER |
| UC1843AJ | 制造商:Texas Instruments 功能描述:CUR MODE PWM CONT 制造商:Texas Instruments 功能描述:CUR MODE PWM CONT - Rail/Tube |
| UC1843AJ/90141 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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