參數(shù)資料
型號： 9531
廠商： NXP Semiconductors N.V.
英文描述： 8-bit I2C LED dimmer
中文描述： 8位I2C LED調(diào)光
文件頁數(shù)： 11/20頁
文件大小： 154K
代理商： 9531
Philips Semiconductors
Product data
PCA9531
8-bit I
2
C LED dimmer
2003 Nov 10
11
ABSOLUTE MAXIMUM RATINGS
In accordance with the Absolute Maximum Rating System (IEC 134)
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNIT
V
DD
V
I/O
I
I/O
I
SS
P
tot
T
stg
T
amb
Supply voltage
-0.5
6.0
V
DC voltage on an I/O
V
SS
- 0.5
—
5.5
V
DC output current on an I/O
+25
mA
Supply current
—
200
mA
Total power dissipation
—
400
mW
Storage temperature range
-65
+150
°
C
°
C
Operating ambient temperature
-40
+85
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 to 5.5 V; V
SS
= 0 V; T
amb
= -40 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
—
1.7
2.2
V
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
-0.5
0.7 V
DD
3
-1
—
—
—
6.5
—
3.7
0.3 V
DD
5.5
—
+1
5
V
V
V
OL
= 0.4V
V
I
= V
DD
= V
SS
V
I
= V
SS
mA
μ
A
pF
-0.5
2.0
9
12
15
15
20
25
-1
—
—
—
—
—
—
—
—
—
—
2.5
0.8
5.5
—
—
—
—
—
—
1
5
V
V
V
OL
= 0.4 V; V
DD
= 2.3 V; Note 1
V
OL
= 0.4 V; V
DD
= 3.0 V; Note 1
V
OL
= 0.4 V; V
DD
= 5.0 V; Note 1
V
OL
= 0.7 V; V
DD
= 2.3 V; Note 1
V
OL
= 0.7 V; V
DD
= 3.0 V; Note 1
V
OL
= 0.7 V; V
DD
= 5.0 V; Note 1
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
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
NOTE:
1. 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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