參數(shù)資料
型號： PCA9551
廠商： NXP Semiconductors N.V.
元件分類： LED驅(qū)動(dòng)器
英文描述： 8-bit I2C LED driver with programmable blink rates
中文描述： 8位I2C LED與可編程閃爍率司機(jī)
文件頁數(shù)： 12/21頁
文件大小： 161K
代理商： PCA9551
Philips Semiconductors
Product data sheet
PCA9551
8-bit I
2
C LED driver with programmable blink rates
2004 Oct 01
12
ABSOLUTE MAXIMUM RATINGS
In accordance with the Absolute Maximum Rating System (IEC 134)
SYMBOL
V
DD
Supply voltage
V
I/O
DC voltage on an I/O
I
I/O
DC output current on an I/O
I
SS
Supply current
P
tot
Total power dissipation
T
stg
Storage temperature range
T
amb
Operating ambient temperature
PARAMETER
CONDITIONS
MIN
–0.5
MAX
6.0
5.5
±
25
100
400
+150
+85
UNIT
V
V
mA
mA
mW
°
C
°
C
V
SS
– 0.5
—
—
—
–65
–40
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is desirable to take
precautions appropriate to handling MOS devices. Advice can be found in Data Handbook IC24 under ”Handling MOS devices”.
DC CHARACTERISTICS
V
DD
= 2.3 V to 5.5 V; V
SS
= 0 V; T
amb
= –40
°
C to +85
°
C; unless otherwise specified. TYP at 3.3 V and 25
°
C.
SYMBOL
PARAMETER
Supplies
V
DD
Supply voltage
CONDITIONS
MIN
TYP
MAX
UNIT
2.3
—
5.5
V
I
DD
Supply current
Operating mode; V
DD
= 5.5 V;
V
I
= V
DD
or V
SS
; f
SCL
= 100 kHz
Standby mode; V
DD
= 5.5 V;
V
I
= V
DD
or V
SS
; f
SCL
= 0 kHz
Standby mode; V
DD
= 5.5 V; Every
LED I/O at V
IN
= 4.3 V; f
SCL
= 0 kHz
No load; V
I
= V
DD
or V
SS
—
350
500
μ
A
I
stb
Standby current
—
1.9
3.0
μ
A
I
DD
Additional standby current
—
—
800
μ
A
V
POR
Power-on reset voltage (Note 1)
Input SCL; input/output SDA
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
OL
LOW-level output current
I
L
Leakage current
C
I
Input capacitance
I/Os
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
—
1.7
2.2
V
–0.5
0.7 V
DD
3
–1
—
—
—
6.5
—
3.7
0.3 V
DD
5.5
—
+1
5
V
V
V
OL
= 0.4 V
V
I
= V
DD
= V
SS
V
I
= V
SS
mA
μ
A
pF
–0.5
2.0
6
8
10
11
14
17
–1
—
—
—
9
11
14
14
18
24
—
2.1
0.8
5.5
—
—
—
—
—
—
1
5
V
V
V
OL
= 0.4 V; V
DD
= 2.3 V; Note 2
V
OL
= 0.4 V; V
DD
= 3.0 V; Note 2
V
OL
= 0.4 V; V
DD
= 5.0 V; Note 2
V
OL
= 0.7 V; V
DD
= 2.3 V; Note 2
V
OL
= 0.7 V; V
DD
= 3.0 V; Note 2
V
OL
= 0.7 V; V
DD
= 5.0 V; Note 2
V
DD
= 3.6 V; V
I
= 0 or V
DD
mA
mA
mA
mA
mA
mA
μ
A
pF
I
OL
LOW level output current
LOW-level output current
I
L
Input leakage current
Input/output capacitance
C
IO
Select Inputs A0, A1, A2 / RESET
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage; A0 / RESET
V
IH
HIGH-level input voltage; A1 / A2
I
LI
Input leakage current
C
I
Input capacitance
NOTES:
1. V
must be lowered to 0.2 V in order to reset part.
2. Each I/O must be externally limited to a maximum of 25 mA and the device must be limited to a maximum current of 100 mA.
–0.5
2.0
2.0
–1
—
—
—
—
—
2.3
0.8
5.5
V
V
V
μ
A
pF
V
DD
+ 0.5
1
5
V
I
= V
SS
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