NCP5050MTTXG ON Semiconductor, NCP5050MTTXG Datasheet - Page 7

• Manufacturer Part Number: NCP5050MTTXG
• Description: IC LED DRIVR PHOTO FLASH 10-WDFN
• Manufacturer: ON Semiconductor
• Type: Photo Flash LEDr

Specifications of NCP5050MTTXG

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 1.48MHz ~ 1.95MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 20V
• Mounting Type: Surface Mount
• Package / Case: 10-WFDFN Exposed Pad
• Operating Temperature: -10°C ~ 85°C
• Internal Switch(s): Yes
• Efficiency: 88%
• Number Of Segments: 5
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 10 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• Lead Free Status / Rohs Status: Details
• Other names: NCP5050MTTXG; NCP5050MTTXGOSTR

Figure 14. Low Frequency Dimming Control,
Channel 1:V
Channel 2:V
Channel 1: CTRL Pin, 5 V/Div, DC Measurement
Channel 3: Input Current, 200 mA/Div
Channel 4: ILED, 50 mA/Div, t = 1.0 ms/Div
Figure 10. Typical V
Figure 12. Discontinuous Current Mode
Channel 4:LED Current
Channel 1:SW Pin
Channel 2: FB Pin, DC, 200 mV/Div
DC Measurement, 5 V/Div
AC Measurement, 500 mV/Div
OUT
OUT
Condition, No Load
DC Measurement, 100 mA/Div
(DCM), I
DC Measurement, 5 V/Div
F = 250 Hz
OUT
OUT
= 20 mA
Ripple in OVP
TYPICAL OPERATING CHARACTERISTICS
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Figure 15. High Frequency Dimming Control,
Figure 13. . Startup for 3 LEDs Operating,
Figure 11. Continue Current Mode (CCM),
Channel 1: CTRL Pin, 5 V/Div, DC Measurement
Channel 2: FB Pin, 200 mV/Div, DC Measurement
Channel 4:LED Current
Channel 1:SW Pin
Channel 4: ILED, 50 mA/Div, t = 10 ms/Div
Channel 3: Input Current, 500 mA/Div
I
Channel 1:CRTL Pin
LEDs
DC Measurement, 200 mA/Div
: 100 mA, R
DC Measurement, 5 V/Div
Channel 2: FB Pin, 200 mV/Div
I
OUT
Channel 3: Input current,
DC Measurement, 5 V/Div
F = 20 kHz
Channel 4: LED Current,
500 mV/Div, t = 50 ms/Div
= 100 mA
sense
200 mA/Div
= 2.5 W