NCP5050MTTXG ON Semiconductor, NCP5050MTTXG Datasheet - Page 2

• 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

ENABLE
2.8k
CTRL
R1
PCA
5
3
FLASH/TORCH
90
80
70
60
50
40
30
20
10
Band Gap
1.7MHz
0
10
OSC
4.7 mF 0603
PWM CONTROLLER
6.3 V
Figure 3. Simplified Block Diagram
Shut down
Thermal
C1
250k
Figure 2. Typical Efficiency
2.7 to 5.5 V
C
PVIN
in
http://onsemi.com
CM
9
4
I
out
R
100
HCS
HCS
R2
2
(mA)
2.0
2.7 mH
(7.0 V @ 350 mA)
L1
6
OVP
V
out
LCS
= 2 LEDs
8
R3
R
SW
V
LCS
in
10
1
1 mF 0805 25V
= 3.7 V
10.0
PGND
D1
2
7
1000
VS
FB
C2
C
Up to 20 V / 4.5 W
out
D2
D6