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參數(shù)資料
| 型號(hào)： | UC2527B |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Regulating Pulse Width Modulators |
| 中文描述： | 調(diào)節(jié)脈沖寬度調(diào)制器 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 653K |
| 代理商： | UC2527B |
2
UC1525B UC1527B
UC2525B UC2527B
UC3525B UC3527B
DIL-16, SOIC-16 (Top View)
J or N, DW Packages
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, (+VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . +40V
Collector Supply Voltage (VC). . . . . . . . . . . . . . . . . . . . . . +40V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +5.5V
Analog Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VIN
Output Current, Source or Sink . . . . . . . . . . . . . . . . . . . 500mA
Reference Output Current . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Oscillator Charging Current . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Power Dissipation at T
A
= +25°C. . . . . . . . . . . . . . . . . 1000mW
Power Dissipation at T
C
= +25°C . . . . . . . . . . . . . . . . 2000mW
Operating Junction Temperature . . . . . . . . . . –55°C to +150°C
Storage Temperature Range . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec.). . . . . . . . . . . . . +300°C
All currents are positive into, negative out of the specified ter-
minal. Consult Packaging Section of Databook for thermal limi-
tations and considerations of packages.
CONNECTION DIAGRAMS
LCC-20, PLCC-20 (Top View)
L, Q Packages
RECOMMENDED OPERATING CONDITIONS
(Note 1)
Input Voltage (+VIN) . . . . . . . . . . . . . . . . . . . . . . . +8V to +35V
Collector Supply Voltage (VC) . . . . . . . . . . . . . . +4.5V to +35V
Sink/Source Load Current (steady state) . . . . . . . . 0 to 100mA
Sink/Source Load Current (peak) . . . . . . . . . . . . . . 0 to 400mA
Reference Load Current . . . . . . . . . . . . . . . . . . . . . . 0 to 20mA
Oscillator Frequency Range. . . . . . . . . . . . . . 100Hz to 400kHz
Oscillator Timing Resistor . . . . . . . . . . . . . . . . . . 2k
to 150k
Oscillator Timing Capacitor . . . . . . . . . . . . . . 0.001
μ
F to 0.1
μ
F
Dead Time Resistor Range. . . . . . . . . . . . . . . . . . . 0
to 500
Note 1: Range over which the device is functional and parame-
ter limits are guaranteed.
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply for T
A
= –55°C to +125°C for the
UC1525B and UC1527B; –40°C to +85°C for the UC2525B and UC2527B; 0°C to +70°C for the UC3525B and UC3527B; +VIN =
20V, T
A
= T
J
.
PARAMETER
TEST CONDITIONS
UC1525B/UC2525B
UC1527B/UC2527B
MIN
TYP
UC3525B
UC3527B
TYP
MAX
MIN
MAX
UNITS
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability (Note 2)
Total Output Variation
Short Circuit Current
Output Noise Voltage (Note 2)
Long Term Stability (Note 2)
T
J
= 25°C
VIN = 8V to 35V
I
L
= 0mA to 20mA
Over Operating Range
Line, Load, and Temperature
VREF = 0, T
J
=25°C
10Hz
≤
f
≤
10kHz, T
J
= 25°C
T
J
= 125°C, 1000 Hrs.
5.062
5.10
5
7
10
5.138
10
15
50
5.164
100
200
10
5.036
5.10
5
7
10
5.164
10
15
50
5.176
100
200
10
V
mV
mV
mV
V
mA
μ
Vrms
mV
5.036
5.024
80
40
3
80
40
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC2527BDW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC2527BJ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC2527BL | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC2527BN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
| UC2527BQ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Regulating Pulse Width Modulators |
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