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UC184XA bảng dữ liệu(PDF) 3 Page - Microsemi Corporation |
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UC184XA bảng dữ liệu(HTML) 3 Page - Microsemi Corporation |
3 / 8 page C URRENT M ODE PWM C ONTROLLER UC184xA/284xA/384xA PRODUCT DA T ABOOK 1996/1997 3 Copyright © 1995 Rev. 1.2 12/95 P RODUCTION D AT A S HEET ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply over the operating ambient temperatures for UC384xA with 0°C ≤ T A ≤ 70°C, UC284xA with -40°C ≤ TA ≤ 85°C, UC184xA with -55°C ≤ T A ≤ 125°C; VCC=15V; RT=10K; C T=3.3nF. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) Reference Section Parameter Symbol Test Conditions Output Voltage V REF T J = 25°C, IL = 1mA Line Regulation 12 ≤ V IN ≤ 25V Load Regulation 1 ≤ I O ≤ 20mA Temperature Stability (Note 2 & 7) Total Output Variation Over Line, Load, and Temperature Output Noise Voltage (Note 2) V N 10Hz ≤ f ≤ 10kHz, T J = 25°C Long Term Stability (Note 2) T A = 125°C, t = 1000hrs Output Short Circuit Current I SC UC384xA Units Min. Typ. Max. Min. Typ. Max. UC184xA/284xA 4.95 5.00 5.05 4.90 5.00 5.10 V 620 6 20 mV 625 6 25 mV 0.2 0.4 0.2 0.4 mV/°C 4.9 5.1 4.82 5.18 V 50 50 µV 525 5 25 mV -30 -100 -180 -30 -100 -180 mA Oscillator Section Initial Accuracy (Note 6) T J = 25°C Voltage Stability 12 ≤ V CC ≤ 25V Temperature Stability (Note 2) T MIN ≤ TA ≤ TMAX Amplitude (Note 2) Discharge Current T J = 25°C, VPIN 4 = 2V V PIN 4 = 2V, TMIN ≤ TA ≤ TMAX 47 52 57 47 52 57 kHz 0.2 1 0.2 1 % 55 % 1.7 1.7 V 7.8 8.3 8.8 7.8 8.3 8.8 mA 7.5 8.8 7.6 8.8 mA Output Low Level V OL I SINK = 20mA I SINK = 200mA Output High Level V OH I SOURCE = 20mA I SOURCE = 200mA Rise Time (Note 2) T R T J = 25°C, CL = 1nF Fall Time (Note 2) T F T J = 25°C, CL = 1nF UVLO Saturation V SAT V CC = 5V, ISINK = 10mA Current Sense Section Gain (Note 3 & 4) A VOL Maximum Input Signal (Note 3) V PIN 1 = 5V Power Supply Rejection Ratio (Note 3) PSRR 12 ≤ V CC ≤ 25V Input Bias Current I B Delay to Output (Note 2) T pd V PIN 3 = 0 to 2V Output Section 2.85 3 3.15 2.85 3 3.15 V/V 0.9 1 1.1 0.9 1 1.1 V 70 70 dB -2 -10 -2 -10 µA 150 300 150 300 ns 0.1 0.4 0.1 0.4 V 1.5 2.2 1.5 2.2 V 13 13.5 13 13.5 V 12 13.5 12 13.5 V 50 150 50 150 ns 50 150 50 150 ns 0.7 1.2 0.7 1.2 V (Electrical Characteristics continue next page.) Error Amp Section Input Voltage V PIN 1 = 2.5V Input Bias Current I B Open Loop Gain A VOL 2 ≤ V O ≤ 4V Unity Gain Bandwidth (Note 2) UGBW T j = 25°C Power Supply Rejection Ratio (Note 3) PSRR 12 ≤ V CC ≤ 25V Output Sink Current I OL V PIN 2 = 2.7V, VPIN 1 = 1.1V Output Source Current I OH V PIN 2 = 2.3V, VPIN 1 = 5V Output Voltage High Level V OH V PIN 2 = 2.3V, RL = 15K to ground Output Voltage Low Level V OL V PIN 2 = 2.7V, RL = 15K to VREF 2.45 2.50 2.55 2.42 2.50 2.58 V -0.3 -1 -0.3 -2 µA 65 90 65 90 dB 0.7 1 0.7 1 MHz 60 70 60 70 dB 26 26 mA -0.5 -0.8 -0.5 -0.8 mA 56 56 V 0.7 1.1 0.7 1.1 V |
Số phần tương tự - UC184XA |
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Mô tả tương tự - UC184XA |
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