PQ6CB11X1CP Sharp Microelectronics, PQ6CB11X1CP Datasheet - Page 3

• Manufacturer Part Number: PQ6CB11X1CP
• Description: IC LED DRIVER WHITE BCKLGT 6-SMD
• Manufacturer: Sharp Microelectronics
• Type: Backlight, White LEDr

Specifications of PQ6CB11X1CP

• Topology: Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1MHz ~ 1.4MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 30V
• Mounting Type: Surface Mount
• Package / Case: 6-SMD
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 250mA
• Internal Switch(s): Yes
• Efficiency: 90%
• Number Of Segments: 6
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Power Dissipation: 350 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 425-2645-2

Fig.1 Standard measuring circuit
Fig.2 Power Dissipation vs.Ambient
Fig.4 Reference Voltage Fluctuation vs.
O N / OFF control logic
400
300
200
100
OPE N
HIG H
LOW
4pin
-0.5
-1.0
Temperature
Input voltage
0
-40 -25
1.0
0.5
0
3
V
P
Ambient temperature Ta (°C)
IN
d
Output
3.2
OFF
OFF
: Mounting PCB
ON
0
Input voltage V
2.2μF
C
25
IN
3.4
50
3.6
75
V
L=22μH
V
I
Ta=25 ˚C
A
O
IN
F
85 100
=20mA
IN
=3.8V,3LED
3.8
V
=V
I
CTRL
C
(V)
CTRL
6
4
125
4
=3.6V
A
150
4.2
Iq
I
2
sd
22μH
L
3
A
5
1
I
I
3
L
LEAK
I
FB
L:VLP4612(TDK CO.,LTD.)
D:MA2Z720(MATSUSHITA ELECTRIC INDUSTRIAL CO.,LTD)
Fig.3 Reference Voltage Fluctuation vs.
Fig.5 Effciency vs. LED Current
D
A
V
ref
100
Junction Temperature
-0.5
-1.0
105.3kΩ
95
90
85
80
75
70
65
60
1.0
0.5
V
0
-50
R
5
2
-25
Junction temperature Tj ( °C )
V
O
1kΩ
R
LED current I
1
0
10
1μF
C
25
O
50
V
L=22μH
V
Ta=25 ˚C
IN
F
O
PQ6CB11X1CP
=3.8V,3LED
15
V
L=22μH
White LED:3LEDs
I
=V
(mA)
O
IN
=20mA
75
=V
CTRL
I
O
CTRL
Sheet No.: OP06061
100
=3.6V
=3.6V
125
20