IS31FL3731-QFLS2-TR ISSI, IS31FL3731-QFLS2-TR Datasheet - Page 6

• Manufacturer Part Number: IS31FL3731-QFLS2-TR
• Description: LED Lighting Drivers LED Driver
• Manufacturer: ISSI

Specifications of IS31FL3731-QFLS2-TR

• Input Voltage: 2.7 V to 5.5 V
• Operating Frequency: 400 kHz
• Maximum Supply Current: 2.17 mA
• Output Current: 34 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-28
• Minimum Operating Temperature: - 40 C
• Factory Pack Quantity: 2500

IS31FL3731
DIGITAL INPUT SWITCHING CHARACTERISTICS
Note 1: The average current of each LED is I
Note 2: All LEDs are on.
Note 3: I
Note 4: Guaranteed by design.
Note 5: Cb = total capacitance of one bus line in pF. I
Integrated Silicon Solution, Inc. – www.issi.com
Rev.B, 09/10/2012
Symbol
t
t
t
t
t
SU, STO
HD, DAT
HD, STA
SU, STA
SU, DAT
t
t
t
f
HIGH
LOW
SCL
BUF
t
t
R
F
LED
= 64.7/R
Serial-Clock frequency
Bus free time between a STOP and a START
condition
Hold time (repeated) START condition
Repeated START condition setup time
STOP condition setup time
Data hold time
Data setup time
SCL clock low period
SCL clock high period
Rise time of both SDA and SCL signals,
receiving
Fall time of both SDA and SCL signals, receiving
EXT
, R
EXT
= 20kΩ is recommended. The recommended minimum value of R
Parameter
OUT
/10.5.
SINK
≤ 6mA. t
Figure 2 Scanning timing
R
(Note 4)
and t
F
measured between 0.3 × V
Condition
(Note 5)
(Note 5)
EXT
Min.
100
1.3
0.6
0.6
0.6
1.3
0.7
is 18kΩ, or it may cause a large current.
CC
and 0.7 × V
20+0.1Cb
20+0.1Cb
Typ.
CC
.
Max.
400
300
300
0.9
Units
kHz
μs
μs
μs
μs
μs
ns
μs
μs
ns
ns
6