поискавой системы для электроныых деталей |
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ISL6126 датащи(PDF) 7 Page - Intersil Corporation |
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ISL6126 датащи(HTML) 7 Page - Intersil Corporation |
7 / 23 page ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128, ISL6130 7 FN9005.11 August 25, 2011 Descriptions and Operation The ISL612X sequencer family consists of several 4-channel voltage sequencing controllers in various functional and personality configurations. All are designed for use in multiple-voltage systems requiring power sequencing of various supply voltages. Individual voltage rails are gated on and off by external N-Channel MOSFETs, the gates of which are driven by an internal charge pump to VDD + 5.3V (VQP) in a user-programmed sequence. With the 4-channel ISL6123, ENABLE must be asserted high, and all four voltages to be sequenced must be above their respective user-programmed undervoltage lockout (UVLO) levels before programmed output turn-on sequencing can begin. Sequencing and delay are determined by the choice of external capacitor values on the DLY_ON and DLY_OFF pins. RESET Delay after GATE High TRSTdel GATE = VDD+5V 160 ms RESET Output Low VRSTl Measured at VDD = 5V with 5k pull-up resistors 0.1 V RESET Output Capacitance COUT_RST 10 pF SYSRST Pull-Up Voltage Vpu_srst VDD V SYSRST Pull-Down Current Ipu_1.5 VDD = 1.5V 5 µA Ipu_5 VDD = 5V 100 µA SYSRST Low Output Voltage Vol_srst VDD = 1.5V, IOUT = 100µA 150 mV SYSRST Output Capacitance Cout_srst 10 pF SYSRST Low to GATE Turn-Off tdelSYS_G GATE = 80% of VDD + 5V 40 ns GATE GATE Turn-On Current IGATEon GATE = 0V 0.8 1.1 1.4 µA GATE Turn-Off Current IGATEoff_l GATE = VDD, Disabled -1.4 -1.05 -0.8 µA GATE Current Range IGATE_range Within IC IGATE max-min 0.35 µA GATE Turn-On/Off Current Temperature Coefficient TC_IGATE 0.2 nA/°C GATE Pull-Down High Current IGATEoff_h GATE = VDD, UVLO = 0V 88 mA GATE High Voltage VGATEh VDD < 2V, TJ = +25°C VDD + 4.9V V VGATEh VDD > 2V VDD + 5V VDD + 5.3V V GATE Low Voltage VGATEl Gate Low Voltage, VDD = 1V 0 0.1 V ISL6125 Open Drain Open Drain On Resistance RDSON_5V VDD = 5V, EN = VDD 25 Ω RDSON_3.3V VDD = 3.3V, EN = VDD 32 Ω RDSON_2.5V VDD = 2.5V, EN = VDD 40 Ω BIAS IC Supply Current IVDD_5V VDD = 5V 0.20 0.5 mA IVDD_3.3V VDD = 3.3V 0.14 mA IVDD_1.5V VDD = 1.5V 0.10 mA ISL6123, ISL6130 Stand By IC Supply Current IVDD_sb VDD = 5V, ENABLE = 0V 1 µA VDD Power-on Reset VDD_POR 1 V NOTE: 7. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. Electrical Specifications VDD = 1.5V to +5V, TA = TJ = -40°C to +85°C, unless otherwise specified. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 7) TYP MAX (Note 7) UNIT |
Аналогичный номер детали - ISL6126 |
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Аналогичное описание - ISL6126 |
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