NCP5009DMR2 ON Semiconductor, NCP5009DMR2 Datasheet - Page 6

• Manufacturer Part Number: NCP5009DMR2
• Description: IC LED DRVR WHT BCKLT 10MICROSMD
• Manufacturer: ON Semiconductor
• Type: Backlight, White LEDr

Specifications of NCP5009DMR2

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 5MHz
• Voltage - Supply: 2.7 V ~ 6 V
• Voltage - Output: 15V
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Operating Temperature: -25°C ~ 85°C
• Current - Output / Channel: 75mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Efficiency: -
• Other names: NCP5009DMR2OSTR

100
80
75
70
65
60
55
50
85
80
75
70
65
60
95
90
85
80
75
0
0
0
Figure 3. Efficiency vs. Load Current @ 4 LEDS
Figure 7. Efficiency vs. Load Current @ 4 LEDS
Figure 5. Efficiency vs. Load Current @ 2 LEDS
(V
load
10
5
5
= 2 strings of 2 LEDs in series = 7.1V)
Condition: Typical Application: L = 22 mH, Cin = 10 mF, Cout = 2.2 mF, R1 = 30 kW
10
10
20
(V
(V
load
load
V
= 4*Vf ⇒ 14.2 V)
15
15
30
bat
= 2*Vf ⇒ 7.1 V)
I
I
I
LED
LED
LED
= 4.2 V
V
bat
(mA)
(mA)
(mA)
TYPICAL OPERATING CHARACTERISTICS
20
20
40
= 3.0 V
3.0 V
25
25
50
V
V
bat
V
V
V
bat
bat
bat
bat
NCP5008, NCP5009
= 6.0 V
30
= 3.6 V
= 4.2 V
= 3.0 V
30
60
= 3.6 V
http://onsemi.com
5.0 V
4.2 V
3.6 V
35
70
35
6
100
400
350
300
250
200
150
100
80
75
70
65
60
55
50
90
80
70
60
50
50
0
2.5
0
0
Figure 4. Efficiency vs. Load Current @ 3 LEDS
3.0
5
Figure 8. Inductor peak Current vs.
Figure 6. Efficiency vs. V
I
3.5
V
20
ref
out
10
V
(V
out
@ Bn = {1, 2, 3, 4, 5, 6, 7}
load
= 15 V/I
4.0
= 7.5 V/I
= 3*Vf ⇒ 10.5 V)
15
I
LED
V
I
ref
bat
led
40
4.5
(mA)
(mA)
led
(V)
= 20mA and
20
V
= 40 mA
bat
5.0
= 3.0 V
25
bat
60
5.5
V
I
V
I
led
V
V
led
@
out
out
bat
bat
= 40 mA
= 20 mA
Bn
=7.5 V
= 15 V
30
= 4.2 V
7
6
5
4
3
2
1
= 3.6 V
6.0
6.5
80
35