NCP5680MUTXG ON Semiconductor, NCP5680MUTXG Datasheet - Page 14

• Manufacturer Part Number: NCP5680MUTXG
• Description: IC LED DRIVER WHT HI EFF 24-UQFN
• Manufacturer: ON Semiconductor
• Type: Photo Flash LED (I²C Interface)r

Specifications of NCP5680MUTXG

• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 2
• Internal Driver: No
• Type - Primary: Flash/Torch
• Type - Secondary: White LED
• Frequency: 850kHz ~ 1.15MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 4.5 V ~ 5.3 V
• Mounting Type: Surface Mount
• Package / Case: 24-UFQFN Exposed Pad, 24-UFQFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 400mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details

Figure 5. Typical Pre Charge and Full Charge
Figure 7. GSM Burst during the Re−charge of
the SuperCAP
Sequence
Figure 9. GSM Active during a Re−charge Cycle
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command from the MCU, during a transmit burst pulse
applied to the PHSEN pin: see typical schematic Figure 6.
In this case, any on going flash keeps going, but no energy
is absorbed from the battery as depicted in Figures 7 and 8.
input battery current as depicted in Figure 9.
Finally, the charge pump can be de−activated, upon
Similarly, the burst function can be used to smooth the
NTJD1155L
TXMSK
TX Mask = 1
Figure 6. Typical Transmit Burst Mask
Figure 8. GSM Burst during a Flash and
U2
GND
1
6
5
470k
R2
2 3
Re−charge Sequence
4
PHOTO
D1
R1 22k
GND
VSD
PHSEN
NCP5680