LP5521TM/NOPB National Semiconductor, LP5521TM/NOPB Datasheet - Page 5

• Manufacturer Part Number: LP5521TM/NOPB
• Description: IC LED DRIVER RGB 25-USMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: RGB LED Driverr

Specifications of LP5521TM/NOPB

• Constant Current: Yes
• Topology: PWM, Switched Capacitor (Charge Pump)
• Number Of Outputs: 3
• Internal Driver: Yes
• Type - Primary: Backlight, Light Management Unit (LMU)
• Type - Secondary: RGB
• Frequency: 1.25MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 4.55V
• Mounting Type: Surface Mount
• Package / Case: 20-MicroSMD
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 25.5mA
• Internal Switch(s): Yes
• Efficiency: 95%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LP5521TMTR

Pin #
Pin Descriptions LP5521YQ
A: Analog Pin, G: Ground Pin, P: Power Pin, I: Input Pin, I/O: Input/Output Pin, O: Output Pin, OD: Open Drain Pin, N/C:
Not Connected
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
ADDR_SEL0
ADDR_SEL1
CLK_32K
CFLY2P
CFLY1P
CFLY2N
CFLY1N
VOUT
Name
TRIG
GND
GPO
VDD
SDA
SCL
INT
EN
R
G
B
OD/O
Type
I/OD
I/OD
N/C
N/C
N/C
N/C
N/C
G
O
A
A
P
A
A
A
A
A
A
I
I
I
I
I
Positive terminal of charge pump fly capacitor 2
Positive terminal of charge pump fly capacitor 1
Power supply pin
Ground
32 kHz clock input
Interrupt output / General purpose output
Trigger input/output
I
Chip enable
I
General purpose output
Current source output
Current source output
Current source output
I
I
Charge pump output
Negative terminal of charge pump fly capacitor 2
Negative terminal of charge pump fly capacitor 1
2
2
2
2
C Serial interface data input/output
C Serial interface clock input
C address select input
C address select input
5
Description
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