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UCC2808D-1 其他数据使用手册 - TI（德州仪器）
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TI（德州仪器）
分类:
PWM控制器
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SOIC-8
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PWM 控制器，最高可达 200kHz，Texas InstrumentsTexas Instruments 的一系列脉冲宽度调制控制器和关联设备适用于各种应用和规格。### PWM (Pulse Width Modulation) Controllers, Texas Instruments
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UCC2808D-1数据手册
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UCC2808-1
,
UCC2808-2
,
UCC3808-1
,
UCC3808-2
SLUS168E –APR 1999–REVISED AUGUST 2015
www.ti.com
6 Specifications
6.1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
(1)
MIN MAX UNIT
Supply voltage (IDD ≤ 10 mA) 15 V
Supply current 20 mA
OUTA/OUTB source current (peak)
(2)
–0.5 A
OUTA/OUTB sink current (peak)
(2)
1.0 A
Analog inputs (FB, CS) – 0.3 V to VDD+0.3 V 6 V
Power dissipation at T
A
= 25 ° C (N Package) 1 W
Power dissipation at T A = 25 ° C (D Package) 650 mW
Power dissipation at T A = 25 ° C (PW Package) 400 mW
T
J
Junction temperature –55 150 °C
Lead temperature (soldering, 10 sec.) 300 °C
T
stg
Storage temperature –65 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Currents are positive into, negative out of the specified terminal. Consult Packaging Section of the Power Supply Control Data Book
(SLUD003) for thermal limitations and considerations of packages.
6.2 ESD Ratings
VALUE UNIT
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001
(1)
±2500
V
(ESD)
Electrostatic discharge V
Charged-device model (CDM), per JEDEC specification JESD22-
±1500
C101
(2)
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
UCCx808-1 13 14
V
DD
Supply Voltage V
UCCx808-2 5 14
UCC2808-x –40 85
T
J
Junction Temperature °C
UCC3808-x 0 70
6.4 Electrical Characteristics
T
A
= 0°C to 70°C for the UCC3808-x, –40°C to 85°C for the UCC2808-x and –55°C to 125°C for the UCC1808-x, VDD = 10
V
(1)
, 1-μF capacitor from VDD to GND, R = 22 kΩ , C = 330 pF, T
A
= T
J
, (unless otherwise specified)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OSCILLATOR SECTION
Oscillator frequency 175 194 213 kHz
Oscillator amplitude/VDD
(2)
0.44 0.5 0.56 V/V
ERROR AMPLIFIER SECTION
Input voltage COMP = 2 V 1.95 2 2.05 V
Input bias current –1 1 μ A
Open-loop voltage gain 60 80 dB
COMP sink current FB = 2.2 V, COMP = 1 V 0.3 2.5 mA
(1) Does not include current in the external oscillator network.
(2) Measured at RC. Signal amplitude tracks VDD.
4 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated
Product Folder Links: UCC2808-1 UCC2808-2 UCC3808-1 UCC3808-2
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