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參數(shù)資料
| 型號： | 5962-8670409VPA |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP8 |
| 封裝： | CERAMIC, DIP-8 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 577K |
| 代理商： | 5962-8670409VPA |
ABSOLUTE MAXIMUM RATINGS
(1) (2)
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
SLUS872 – JANUARY 2009............................................................................................................................................................................................... www.ti.com
ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
–55°C to 125°C
CDIP – JG
5962-8670409VPA
UC1843A-SP
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
over operating free-air temperature range (unless otherwise noted)
VCC
Supply voltage, low-impedance source
30 V
Supply current
Self limiting
IO
Output current
±1 A
Output energy (capacitive load)
5
J
VI
Input voltage (VFB, ISENSE)
–0.3 V to 6.3 V
Error amplifier output sink current
10 mA
PD
Power dissipation (TA = 25°C)
1 W
Tstg
Storage temperature range
–65°C to 150°C
Tlead
Lead temperature (soldering, 10 seconds)
300°C
(1)
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltages are with respect to ground. Currents are positive into, negative out of the specified terminal.
over operating free-air temperature range (TA = TJ = –55°C to 125°C), unless otherwise noted.
MIN
MAX
UNIT
VCC
Supply voltage
12
25
V
Sink/source output current (continuous or time average)
0
200
mA
Reference load current
0
20
mA
VCC = 15 V, RT = 10 k, CT = 3.3 nF, TA = TJ = –55°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference Section
Output voltage
TJ = 25°C, IO = 1 mA
4.94
5
5.06
V
Line regulation
VCC = 12 V to 25 V
6
20
mV
Load regulation
IL = 1 mA to 20 mA
6
25
mV
Total output variation
Over line, load, and temperature
4.9
5.1
V
Output noise voltage
10 Hz
≤ f ≤ 10 kHz, TJ = 25°C
50
V
Short-circuit output current
–30
–100
–180
mA
Oscillator Section
Initial accuracy
TJ = 25°C
47
52
57
kHz
Voltage stability
VCC = 12 V to 25 V
0.2
1
%
Temperature stability
TJ = -55°C to 125°C
5
%
Amplitude
VRT/CT peak to peak
1.7
V
TJ = 25°C, VRT/CT = 2 V
7.8
8.3
8.8
Discharge current(1)
mA
VRT/CT = 2 V
7.5
8.8
(1)
This parameter is measured with RT = 10 k to VREF. This contributes approximately 300 A of current to the measurement. The total
current flowing into the RT/CT pin will be approximately 300 A higher than the measured value.
2
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): UC1843A-SP
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| 5962-8670601LA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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