RC5036M ETC-unknow, RC5036M Datasheet
RC5036M
Available stocks
Related parts for RC5036M
RC5036M Summary of contents
Page 1
RC5036 Dual Adjustable Voltage Regulators w/Enable Features • Combines switching regulator and low dropout linear regulator in single chip ® • Pentium P54C/P55C CPU selectable – no jumpers required • Linear regulator on/off control • Each output voltage adjustable from ...
Page 2
RC5036 Functional Description The RC5036 contains a precision trimmed zero TC voltage reference, a constant-on-time architecture controller, a high current switcher output driver, a low offset op-amp, and switches for selecting various output modes. The block diagram in Figure 1 ...
Page 3
PRODUCT SPECIFICATION is controlled by the amount of current that is available from the variable current source to charge the external capacitor up to the high threshold level of the comparator. The on-time is set be the constant current source ...
Page 4
RC5036 Pin Descriptions (continued) Pin Pin Name Number Pin Function Description GNDP 8 Power Ground. Return pin for high currents flowing in pins 9, 10 and 12 (SDRV, VCCP and LDRV). Connect to a low impedance ground. See Applications Discussion ...
Page 5
PRODUCT SPECIFICATION Operating Conditions Parameter Switching Regulator V , VCCA CC Linear Regulator V , VCCL CC Logic Inputs, SWCTRL, LIN_EN Ambient Operating Temperature, T Drive Gate Supply, V CCP Electrical Characteristics – Switch-Mode Regulator (VCCA = 5V, VCCL = ...
Page 6
RC5036 Electrical Characteristics – Linear Regulator (VCCA = 5V, VCCL = 12V using circuit in Figure 14, unless otherwise noted) A The denotes specifications which apply over the full ambient operating temperature range. Parameter Conditions 1 ...
Page 7
PRODUCT SPECIFICATION Typical Operating Characteristics (VCCA = 5V, VCCL = 12V and T A 100 Output Current (A) Figure 2. Switcher Efficiency vs. Output Current Output ...
Page 8
RC5036 Typical Operating Characteristics Time (2 s/division) Figure 8. Switcher Output Ripple (BW = 20MHz, I Time (5ms/division) Figure 10. Switcher Turn-on Response Time (1 s/division) Figure 12. Pin 9 (SDRV Amp Load 8 (continued) Figure 9. ...
Page 9
PRODUCT SPECIFICATION Test Circuit Configurations Figure 14. P54/P55C, K6 Single/Dual Power Supply Application Schematic RC5036 9 ...
Page 10
... R5 Panasonic ERJ-6GEY000V 1 R6 Panasonic ERJ-6GEY047V (Lin) SENSE 1 U1 Raytheon RC5036M 10 PRODUCT SPECIFICATION Requirements and Description 0.1 F 50V SMT 0805 capacitors 10nF 50V SMT 0805 capacitor 180pF 50V SMT0805 capacitor 1 F 16V SMT 0805 Capacitor 1500 F 6.3V electrolitic ESR < 0.044 capacitor, 10mm x 20mm ...
Page 11
PRODUCT SPECIFICATION Table 2. Switching Regulator Components Selection Table Output Voltage Output Current 3.5 8 2.8 6 2.9 6.25 2.9 7.5 3.2 9.5 3.2 13 2.1 5.6 3.3 3 Applications Discussion The following discussion is intended abbreviated ...
Page 12
RC5036 For example, for a worst case V = 3.135V, the maximum OUT op-amp output current is: 0.533W – 35mA 5.25V ------------------------------------------------------------------ - 40mV 12.6V 3.135V – – 0.8V 3000mA -------------------- - = 75 40mA The power ...
Page 13
PRODUCT SPECIFICATION Based on the Tolerance in Table 3: • For an embedded PC trace resistor: V th,min R = ---------------------------------------- - 1 TF – SENSE 1 LOAD,MAX 80mV 1 TF – = ---------------------------- - 1 29% – ...
Page 14
RC5036 0.019 61.8% + -------------------- - MOSFET 210ns + 54ns 300KHz P = 0.82W MOSFET Since the power within the thermal guideline, a heat sink is not required other than the ...
Page 15
PRODUCT SPECIFICATION Most PC board manufacturers utilize 1/2oz copper on the top and bottom signal layers of the PCB; thus not recom- mended to use these layers to rout the high current portions of the regulator design. Since ...
Page 16
RC5036 RC5036 Evaluation Board Raytheon Electronics Semiconductor Division provides an evaluation board for verifying the system level performance of the RC5036. The evaluation board provides a guide as to what can be expected in performance with the supplied external components ...
Page 17
PRODUCT SPECIFICATION Notes: RC5036 17 ...
Page 18
RC5036 Notes: 18 PRODUCT SPECIFICATION ...
Page 19
PRODUCT SPECIFICATION Mechanical Dimensions 16-Lead SOIC Package Inches Millimeters Symbol Min. Max. Min. Max. A .053 .069 1.35 1.75 A1 .004 .010 0.10 0.25 B .013 0.33 .020 0.51 C .008 .010 0.19 0.25 D .386 .394 9.80 10.00 E ...
Page 20
... Ordering Information Product Number RC5036M The information contained in this data sheet has been carefully compiled; however, it shall not by implication or otherwise become part of the terms and conditions of any subsequent sale. Raytheon’s liability shall be determined solely by its standard terms and conditions of sale. ...