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參數(shù)資料
| 型號： | UC1844D |
| 英文描述： | SMPS Controller |
| 中文描述： | 開關電源控制器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 576K |
| 代理商： | UC1844D |
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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相關代理商/技術參數(shù) |
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|---|---|
| UC1844D8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SMPS Controller |
| UC1844D8TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SMPS Controller |
| UC1844DTR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SMPS Controller |
| UC1844J | 制造商:Texas Instruments 功能描述:Current Mode PWM Controller 1A 8-Pin CDIP Tube 制造商:Texas Instruments 功能描述:CURRENT MODE PWM CNTRLR 1A 8CDIP - Rail/Tube 制造商:Texas Instruments 功能描述:CUR MODE PWM CONTROLLER |
| UC1844J/883B | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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