參數(shù)資料
型號: UC3843AQTR
英文描述: Current-Mode SMPS Controller
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> 463K
代理商: UC3843AQTR
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°C (DIL-8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
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 (TOP VIEW)
D 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
2
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