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UC2909MDWREP 数据表(PDF) 3 Page - Texas Instruments |
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UC2909MDWREP 数据表(HTML) 3 Page - Texas Instruments |
3 / 21 page UC2909-EP www.ti.com SLUSA72 – JULY 2010 ELECTRICAL CHARACTERISTICS TA = –55°C to 125°C; CT = 430 pF, RSET = 11.5 KΩ, R10 = 10 KΩ, RTHM = 10 KΩ, VCC = 15 V, Output no load, RSTAT0 = RSTAT1 = 10 KΩ, CHGENB = OVCTAP = VLOGIC, TA = TJ (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT SENSE AMPLIFIER (CSA) (VID = CS+ - CS-) CS- = 0 V, CS+ = -50 mV; 4.8 5 5.7 CS+ = –200 mV DC gain V/V CS+ = 0 V, CS- = 50 mV; 4.8 5 5.1 CS- = 250 mV VOFFSET Offset voltage (VCSO - VCAO) CS+ = CS- = 2.3 V, CAO = CA- 45 mV VCM = -0.2 V to VCC - 2, 50 8.8 V < VCC < 14 V CMRR dB VCM = -0.2 V to VCC, 50 14 V < VCC < 35 V VID = -550 mV, VOL -0.2 V < VCM < VCC - 2, 0.3 0.6 V IO = 500 µA VID = 700 mV, VOH -0.2 V < VCM < VCC - 2, 5.2 5.7 6.2 V IO = -250 µA Output source current VID = 700 mV, CSO = 4 V -1 -0.5 mA Output sink current VID = -55 0mV, CSO = 1 V 3 4.5 mA 3dB bandwidth(1) VID = 90 mV, VCM = 0 V 200 KHz CURRENT ERROR AMPLIFIER (CEA) 8.8 V < VCC < 35 V, IB 0.1 0.8 µA VCHGENB = VLOGIC VIO (2) 8.8 V < VCC < 35 V, CAO = CA- 10 mV AVO 1 V < VAO < 4 V 60 90 dB GBW TJ = 25°C, f = 100 KHz 1 1.5 MHz VOL IO = 250 µA 0.4 0.6 V VOH IO = –5 mA 4.5 5 V Output source current CAO = 4 V -25 -12 mA Output sink current CAO = 1 V 2 3 mA ICA-, ITRCK_CONTRO VCHGENB = GND 8.5 10 11.5 µA L VOLTAGE AMPLIFIER (CEA) IB Total bias current; regulating level 0.1 1 µA 8.8 V < VCC < 35 V, VIO (2) VCM = 2.3 V, 1.2 mV VAO = VA- AVO 1 V < CAO < 4 V 60 90 dB GBW TJ = 25°C, f = 100 KHz 0.25 0.5 MHz VOL IO = 500 µA 0.4 0.6 V VOH IO = -500 µA 4.75 5 5.25 V Output source current CAO = 4 V -2 -1 mA Output sink current CAO = 1 V 2 2.5 mA VCHGENB = GND, VAO leakage: high impedance STAT0 = 0 and STAT1 = 0, -1 1 µA state VAO = 2.3 V (1) Not tested in production. (2) VIO is measured prior to packaging with internal probe pad. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): UC2909-EP |
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