LP3952RLX National Semiconductor, LP3952RLX Datasheet - Page 37

• Manufacturer Part Number: LP3952RLX
• Manufacturer: National Semiconductor

Specifications of LP3952RLX

• Operating Supply Voltage (typ): 3.3/5V
• Number Of Segments: 6
• Operating Temperature (min): -30C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Pin Count: 36
• Mounting: Surface Mount
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Not Compliant

BOOST_OUTPUT (0DH) – BOOST OUTPUT VOLTAGE CONTROL REGISTER
BOOST_FRQ (0EH) – BOOST FREQUENCY CONTROL REGISTER
PATTERN_GEN_CTRL (11H) – PATTERN GENERATOR CONTROL REGISTER
rw-0
D7
D7
r-0
D7
r-0
rgb_start
en_blink
rw-0
loop
D6
D6
D6
r-0
r-0
log
Boost[7:0]
freq_sel[2:0]
Bit 3
Bit 2
Bit 1
Bit 0
rw-1
D5
D5
D5
r-0
r-0
Bits 7-0
0 - blinking sequences start bit disabled
1 - blinking sequences start bit enabled
0 – pattern generator disabled
1 – execution pattern starting from command 1
0 – pattern generator loop disabled (single pattern)
1 – pattern generator loop enabled (execute until stopped)
0 – color intensity mode 0
1 – color intensity mode 1
Bits 7-0
rw-1
D4
D4
r-0
D4
r-0
Boost[7:0]
0000 0000
0000 0001
0000 0011
0000 0111
0000 1111
0001 1111
0011 1111
0111 1111
1111 1111
Boost[7:0]
freq_sel[2:0]
37
01x
00x
1xx
en_blink
rw-1
rw-0
D3
D3
r-0
D3
Adjustment
Adjustment
Typical boost output (V)
5.00 (default)
Frequency
rgb_start
2.00 MHz
1.67 MHz
1.00 MHz
4.00
4.25
4.40
4.55
4.70
4.85
5.15
5.30
rw-1
rw-1
rw-0
D2
D2
D2
freq_sel[2:0]
loop
rw-1
rw-1
rw-0
D1
D1
D1
www.national.com
rw-1
rw-1
rw-0
log
D0
D0
D0