NCP5010 ON Semiconductor, NCP5010 Datasheet
NCP5010
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NCP5010 Summary of contents
Page 1
... To protect the device, an output overvoltage protection, and short circuit protection have been incorporated. The NCP5010 is housed in a low profile, space efficient 1.7 x 1.7 mm Flip−Chip package. The device has been optimized for use with small inductors and ceramic capacitors ...
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... Care must be taken to avoid high−density current flow in a limited PCB copper track. This pin connected to the AGND pin. NCP5010 V bat 2 CTRL OUT C out 0805 NC X5R 25V NCP5010 Figure 2. Typical Application Circuit DESCRIPTION http://onsemi.com 2 LED LED ...
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... Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: J−STD−020A. 6. For the 8−Pin Flip−Chip CSP Package, the total area and also 135°C/W with 500 mm. All the bumps have the same thermal resistance and need to be connected thereby optimizing the power dissipation. NCP5010 Symbol V IN ...
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... Guaranteed by design and characterized with mH, DCR = 0.7 W max. 9. Load = 4 LEDs ( LED OUT 10 3.6 V, Ripple = 0.2 V P− mA. IN OUT NCP5010 (Limits apply for T between −40°C to +85°C and V A Rating = 0 mA, CTRL = Low OUT disconnected 25° X5R, L= Coilcraft DT1608C−223. ...
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... Figure 5. Efficiency vs. Current @ 4 LEDS ( Coilcraft DT1608C−223 (mA) OUT Figure 7. Efficiency vs. Current @ 5 LEDS (17 Coilcraft DT1608C−223 NCP5010 3 4 Figure 4. Efficiency vs. Current @ 3 LEDS (10 Figure 6 ...
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... V (V) IN Figure 11. Efficiency vs LEDS (17 Coilcraft DT1608C−223 1. 1.02 1. 0.96 −40 − TEMPERATURE (°C) Figure 13. Oscillator Frequency vs. Temperature NCP5010 OUT OUT 5.0 5.5 2.5 3.0 Figure 10. Efficiency vs. V 510 OUT 505 V = 5.5 V 500 ...
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... SW, 5 V/div DC mA/div, DC, I LED Figure 19. Startup for LED Operating, 4 LEDS = CTRL, 2 V/div DC, 2 FB, 500 mV/div DC 100 mA/div 100 ms/div NCP5010 4 LEDs 5 LEDs 5.0 5.5 Figure 16. Typical 500 mV/div OUT Figure 18. Discontinuous Current Mode (DCM) ...
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... NCP5010 TYPICAL OPERATING CHARACTERISTICS Figure 21. Typical Ripple for Voltage Operation 1 SW, 10 V/div DC, 2 FB, 500 mV/div DC mV/div AC 500 ns/div http://onsemi.com 8 OUT ...
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... ONE SHOT OSC 1 Mhz Operation The NCP5010 DC−DC converter is based on a Current Mode PWM architecture which regulates the feedback voltage at 500 mV under normal operating conditions. The boost converter operates in two separate phases (See Figure 23). The first one is T when the inductor is ...
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... As can be seen from the curves, as the inductor size is reduced, the peak current for a given set of conditions increases along with higher current ripple not possible to deliver maximum output power at lower inductor values. NCP5010 300 250 200 should be ...
Page 11
... To minimize the output ripple, a low ESR multi−layer ceramic capacitor type X5R or equivalent should be selected. For LED driver applications (min adequate. The NCP5010 can be operated in a voltage mode configuration (see Figure 34) for applications such as OLED power. Under these conditions, C increased to 2 ...
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... C as depicted Figure 2 must IN OUT be placed as close as possible the NCP5010 and connected directly between pins and ground plane. In additional, the track connection between the inductor and the switching input, SW pin must be minimized to reduce EMI radiation. Finally it is always good practice to keep way sensitive tracks such as feedback connection from switched signal like SW or VOUT connections ...
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... X5R 6 PWM NCP5010 Figure 29. Typical Semi−Pulsed Mode of Operation Different Supply The NCP5010 can operate from two different supply: One end of the inductor (V ) can be directly connected BAT to a battery like 4 cell alkaline or 2 cell Li−Ion. And 2.7 to 5.5 V ...
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... Bat 2.7 to 5.5 V X5R 6 4.7 mF 0603 X5R 6 CTRL ENABLE NCP5010 NCP5010 two LEDs branches where the constant current is regulated in primary branch and the secondary branch is selected by Q1. The number of LED in each string have to be the same. LED LED OUT ...
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... Analog Dimming Control When the NCP5010 is in steady state the output voltage is controlled in order to have 500 mV to the feedback input (FB pin). The principle of this schematic is bias by a resistive network R2/R3 the feedback voltage. If not any V Bat C1 4.7 mF 0603 X5R 6.3 V ENABLE PWM SIGNAL Average Network Figure 33 ...
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... The NCP5010EVB board which configures the device driving a string of 2−5 White LEDs in series. • The NCP5010BIASEVB board for applications such as powering an OLED panel or LCD biasing. Finally in addition to these demo boards, Application Note “ANDXXXX/D” deals with configuring the NCP5010 with a high side sense resistor. NCP5010 Operating Temperature Range − ...
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... SIDE VIEW 0. 0.03 C BOTTOM VIEW NCP5010 8−PIN FLIP−CHIP FC SUFFIX CASE 499AJ−01 ISSUE A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETERS. 3. COPLANARITY APPLIES TO SPHERICAL CROWNS OF SOLDER BALLS. MILLIMETERS DIM MIN A 0.6 BSC A1 ...
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... USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 18 ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. NCP5010/D ...