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3 page 
www.ti.com RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS TPS65520 SLVS557A – MARCH 2005 – REVISED MARCH 2005 over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT VCC_GD 4.5 5.5 VCC(1) Supply voltage V VCC1, VCC2, VCC5, VCC7, VCC8 1.5 5.5 TLD,VCH2,VCH7 0.0 5.5 MODE7, DIN, CLK, LD, PWR_ON, LDO4_ON, 0.0 3.3 TEST VI Input voltage V VCH5 –9.5 0.0 ROMWR 0.0 0.3 VIH1(2) High-level input voltage ILDO1 = 0 mA 2.4 2.9 V VIL1(2) Low-level logic input voltage ILDO1 = 0 mA 0 0.5 V 100 VIH2 TLD high-level logic input voltage 80% % Ratio to VCC1A voltage VIL2 TLD low- level logic input voltage 0% 20% Voltage difference between two of any GND pins (name starts with GND) –0.3 0.3 V TA Operating free-air temperature, –20 85 °C Acceptable number of EEPROM writing(3) 20 Times (1) These values are defined in stable state. During the start-up, supply voltage sources are OK to be lower than these values. (2) Logic input pins are PWR_ON, USB ON, DIN, CLK, LD, TEST, and MODE7, except TLD. (3) This defines the number of customer’s writing after TI’s shipment. T A = 25°C, VCC1 = 3.6 V, VCC2 = 3.6 V, VCC5 = 4.9 V, VCC7 = 4.9 V, VCC8 = 3.6 V, VCH8 = 3.6 V, VCH3 = 4.9 V, VCH_GD = 4.9 V, LDO4_ON = L, and all register bits are default value (unless otherwise noted) . PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT ICC1 ICC CTRL Supply current for controller 2.2 mA PWR_ON = H, No load current at all outputs (see Table 1) IVCC GD Supply current for gate-drive 5 mA ICC2A IVCH8 Supply current for LDO,control 40 µA PWR_ON = L (see Table 2) IVCC8 Supply current for CH-8 1 µA SUB-CPU CONTROL VRDY1 READY threshold, rising edge 3.322 3.4 3.478 Sweep VCH8 V VRDY2 READY threshold, falling edge 3.234 3.3 3.366 VRST1 XRESET threshold, rising edge 2.115 2.184 2.253 Sweep VLDO2 V VRST2 XRESET threshold, falling edge 1.844 1.884 1.924 IREADY Sink current of READY VREADY = 0.5 V 250 500 µA Ilkg Leakage current of READY VREADY = 5.25 V, VCH8 = 5.25 V 0.1 µA IRST Sink current of XRESET VXRESET = 0.5 V, VLDO2 = 2 V 150 300 µA IRSTL Leakage current of XRESET VXRESET = 5.25 V, VCH8 = 5.25 V 0.1 µA REFERENCE AND PROTECTION VREF BG reference voltage, sensed at CBG IREF = 0 mA 0.842 0.85 0.858 V Load regulation of BG reference voltage ∆VloBG IREF = 0.1 µA ~ 1 mA –5 5 mV buffer fosc Oscillator frequency ROSC = 150 k Ω 475 500 525 kHz TSD(1) Temperature threshold to shutdown 140 155 170 °C (1) Not production tested. Assured by design. 3 |
