ncp5215 ON Semiconductor, ncp5215 Datasheet
ncp5215
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ncp5215 Summary of contents
Page 1
... NCP5215 Dual Synchronous Buck Controller for Notebook Power System The NCP5215, a high-efficiency and fast-transient-response dual-channel buck controller, provides a multifunctional power solution for notebook power system. 180 function between the two channels has capabilities of reducing the common input capacitor requirement and improving noise immunity. ...
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... LSEN1 1 COMP1 SWN1 CLK CLK1 VIN FPWM VCC Vin OC1 TSD THERMAL SHUTDOWN FB1 EN1 OC1 DSCH1 Digital Counter & NCP5215 o 180 Phase Shift PGOOD1 FB2 EN2 OC2 DSCH2 PGOOD2 CLK CLK2 VIN FPWM TRE2 PWM2 RAMP GENERATOR & FB2 PWM LOGIC ...
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... Adaptive-Voltage-Position (AVP) function for Channel 1. 37 FB1 Feedback 1 Output voltage feedback of Channel 1. 38 INV1 Inverting Input 1 Error amplifier's inverting input pin of Channel 1. 39 COMP1 COMP1 Output of the error amplifier of Channel 1. 40 TRESET1 Transient Response Enhancement SET 1 Channel 1 Transient-Response-Enhancement (TRE) program pin. NCP5215 Description http://onsemi.com 3 ...
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... This device contains ESD protection and exceeds the following tests: Human Body Model (HBM) ≤2.0kV per JEDEC standard: JESD22-A114. Machine Model (MM) =≤200V per JEDEC standard: JESD22-A115, except Pin 17 and Pin 34, which are ≤150V. 2. Latchup Current Maximum Rating: ≤150mA per JEDEC standard: JESD78. NCP5215 Symbol ...
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... Output Undervoltage Trip Threshold Output Undervoltage Protection Blanking Time VREF OUTPUT Reference Voltage Reference Load Regulation Sinking Current CURRENT LIMIT Current Limit Threshold ILIM Setting Range 3. Guaranteed by design, not tested in production. NCP5215 ( 5.0 V, Fsw = 300 kHz SET Symbol Test Conditions Vin ...
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... BG Gate Pull-LOW Resistance DIFFERENTIAL CURRENT ERROR AMPLIFIER Input Bias Current CS+ to CS- Input Signal Range Output Voltage Swing Offset Current at VDRP [(CS+)-(CS-)] to VDRP Gain Internal Droop Resistance 4. Guaranteed by design, not tested in production. NCP5215 (continued 5 SET Symbol Test Conditions ...
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... VFPWM# Sink Current PGOOD Pin ON Resistance PGOOD Pin OFF Current OUTPUT DISCHARGE MODE Output Discharge On-Resistance System Restart Threshold of the Output Voltage TRE OFFSET TRESET Offset Current 5. Guaranteed by design, not tested in production. NCP5215 (continued 5 SET Symbol Test Conditions GAIN_VEA ...
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... T , AMBIENT TEMPERATURE (°C) A Figure 4. Soft-Start Current vs. Ambient Temperature 2.9 2.8 2.7 2.6 2.5 2.4 2.3 -40 - AMBIENT TEMPERATURE (°C) A Figure 6. Internal Droop Resistance vs. Ambient Temperature NCP5215 306 304 302 300 298 296 294 60 85 -40 - AMBIENT TEMPERATURE (°C) A Figure 3. Switching Frequency vs. Ambient 2.9 2.8 2.7 2.6 2.5 2.4 2 -40 - AMBIENT TEMPERATURE (° ...
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... V, with AVP Function) O 400 350 300 250 200 150 100 OUTPUT CURRENT (A) O Figure 12. Switching Frequency vs. Output Current ( NCP5215 1.1 1.09 1.08 1.07 1. FPWM IN 1. FPWM FPWM IN 1 ...
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... FPWM 20 V, FPWM FPWM 12 V, FPWM FPWM 20 0 0.01 0 OUTPUT CURRENT (A) O Figure 14. Efficiency vs. Output Current ( NCP5215 100 0.01 Figure 15. Efficiency vs. Output Current http://onsemi.com FPWM 12 V, FPWM 9 V, FPWM 0 ...
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... O Time: 5ms/div Figure 20. Powerdown Operation ( FPWM) O NCP5215 Top: SWN1, CH1 Switching Node Voltage, (10V/div) Middle 1: Vo1, CH1 Output Voltage Ripple, (50mV/div) Middle 2: SWN2, CH2 Switching Node Voltage, (10V/div) Bottom: Vo2, CH2 Output Voltage Ripple, (50mV/div) Time: 2ms/div Figure 17. Output Voltage Ripple with ...
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... Figure 26. On-Line Mode-Changing Operation ( 1 0.2 A, FPWM-Skip O O Mode-FPWM) NCP5215 Top: Vo2, CH2 Output Voltage Ripple, (50mV/div) Middle: Io2, CH2 Output Current, (5A/div) Bottom: SWN2, CH2 Switching Node Voltage, (10V/div) Time: 20ms/div Figure 23. Load Transient Response with FPWM Operation (V Top: Vo2, CH2 Output Voltage Ripple, (50mV/div) ...
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... Transient Response Enhancement (TRE) In the skip mode, the operation of the NCP5215 is similar to constant on-time scheme. The response time of the controller is between half to one cycle of the high-frequency clock. However, for a conventional trailing-edge PWM controller in CCM, the fastest response time is one switching cycle in the worst case ...
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... the output current increases, the REF VDRP Pin voltage decreases. This causes V according to a loadline set by the resistor. In the NCP5215, the output current of each channel is sensed differentially. A high gain and low offset-voltage differential amplifier low-resistance current-sensing resistor or low-DCR inductor to be used to minimize power dissipation ...
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... V, the device will discharge the output voltage to 0.3 V first and then start soft-start. Overcurrent Protection (OCP) The NCP5215 protects power system if overcurrent (eq. 3) occurs. The current through each channel is continuously monitored with the differential current sense. Current limit ...
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... Thermal Protection The NCP5215 has a thermal shutdown protection to protect the device from overheating when the die temperature exceeds 150°C. Once the thermal protection is triggered, the fault state can be ended by re-applying V ...
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... NCP5215 Power Up VCC > 4.25V ? & VIN > 4.0V ? & ENBL= HIGH ? no & Discharge Vo < 0.3V Mode VCC < 4.0V or VIN < 3.5V or ENBL = LOW Soft Start and Normal Operation OC TG & BG OCP Latch Off Vo Discharge Mode Figure 34. State Diagram per Channel http://onsemi.com Re-apply VCC or VIN or ENBL ...
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... M3 M4 PGND Cpf1 Cpf2 1uF 1uF TG1 TG2 31 SWN1 SWN2 32 CS1+ CS2+ 33 CS1-/Vo1 CS2-/Vo2 34 ILIM1 ILIM2 35 NCP5215MNR2G VDRP1 VDRP2 36 FB1 FB2 37 38 INV1 INV2 COMP1 COMP2 39 TRESET1 TRESET2 Rcf ...
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... Part Number Manufacturer NCP5215MNR2G ON Semiconductor NTMS4705N ON Semiconductor BAT54WT1G ON Semiconductor ECJ1VB1H470J Panasonic C1608C0G1H470J TDK ECJ1VB1H680J Panasonic C1608C0G1H680J TDK ECJ1VC1H221J Panasonic C1608C0G1H221J TDK ECJ1VC1H821J Panasonic ...
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... Thick Film Chip Resistors, Power Rating 0.1W, Tol: $ Power Choke Coil, DCR = 7.0mW, IDC = 12A, ISAT = 27A Power Choke Coil, DCR = 4.2mW, IDC = 16A, ISAT = 33A NCP5215 Value Package Part Number 11kW 0603 ERJ3EKF1102V 13kW 0603 ERJ3EKF1302V 36kW 0603 ...
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... COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS. MILLIMETERS DIM MIN MAX A 0.80 1.00 A1 0.00 0.05 A3 0.20 REF b 0.18 0.30 D 6.00 BSC D2 4.00 4.20 E 6.00 BSC E2 4.00 4.20 e 0.50 BSC L 0.30 0.50 K 0.20 --- 6.30 4.20 4.20 6.30 36X 0.50 PITCH DIMENSIONS: MILLIMETERS ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your loca Sales Representative NCP5215/D ...