PCA9531 Philips Semiconductors (Acquired by NXP), PCA9531 Datasheet - Page 11

• Manufacturer Part Number: PCA9531
• Description: 8-bit I2C Led Dimmerthe PCA9531 is an 8-bit i C And Smbus I/o Expander Optimized For Dimming Leds in 256 Discrete Steps For Red/green/blue (RGB) Color Mixing And Back Light Applications. The PCA9531 Contains an Internal Oscillator With Two User Progr
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
ABSOLUTE MAXIMUM RATINGS
In accordance with the Absolute Maximum Rating System (IEC 134)
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
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.
2003 Nov 10
Supplies
Input SCL; input/output SDA
I/Os
Select Inputs A0, A1, A2 / RESET
DD
SYMBOL
SYMBOL
8-bit I
V
∆I
V
= 2.3 to 5.5 V; V
C
I
V
V
V
V
T
I
V
I
V
I
V
V
POR
V
C
I
C
P
T
DD
stb
OL
OL
I
I
I
I
DD
amb
LI
DD
L
L
I/O
SS
IL
IH
IL
IH
IO
IL
IH
IH
DD
stg
I/O
tot
I
I
2
C LED dimmer
Supply voltage
Supply current
Standby current
Additional standby current
Power-on reset voltage
LOW level input voltage
HIGH level input voltage
LOW level output current
Leakage current
Input capacitance
LOW level input voltage
HIGH level input voltage
LOW level output current
Input leakage current
Input/output capacitance
LOW level input voltage
HIGH level input voltage; A0 / RESET
HIGH level input voltage; A1 / A2
Input leakage current
Input capacitance
Supply voltage
DC voltage on an I/O
DC output current on an I/O
Supply current
Total power dissipation
Storage temperature range
Operating ambient temperature
SS
= 0 V; T
PARAMETER
amb
PARAMETER
= -40 to +85 °C; unless otherwise specified. TYP at 3.3 V and 25 °C.
Operating mode; V
V
Standby mode; V
V
Standby mode; V
LED I/O at V
No load; V
V
V
V
V
V
V
V
V
V
V
V
I
I
OL
I
I
OL
OL
OL
OL
OL
OL
DD
I
= V
= V
= V
= V
= V
= 0.4V
= 0.4 V; V
= 0.4 V; V
= 0.4 V; V
= 0.7 V; V
= 0.7 V; V
= 0.7 V; V
= 3.6 V; V
DD
DD
DD
SS
SS
or V
or V
= V
I
= V
IN
11
CONDITIONS
SS
SS
SS
DD
DD
DD
DD
DD
DD
I
= 4.3 V; f
DD
= 0 or V
; f
; f
DD
DD
= 2.3 V; Note 1
= 3.0 V; Note 1
= 5.0 V; Note 1
= 2.3 V; Note 1
= 3.0 V; Note 1
= 5.0 V; Note 1
SCL
SCL
or V
DD
CONDITIONS
= 5.5 V;
= 5.5 V; Every
= 100 kHz
= 0 kHz
= 5.5 V;
SS
DD
SCL
= 0 kHz
0.7 V
-0.5
-0.5
-0.5
MIN
2.3
2.0
2.0
2.0
-1
12
15
15
20
25
-1
-1
—
—
—
—
—
—
—
3
9
V
SS
DD
-0.5
MIN
-65
-40
—
—
—
- 0.5
TYP
350
1.9
1.7
6.5
3.7
2.5
2.3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
+150
MAX
+25
200
400
+85
6.0
5.5
V
0.3 V
DD
PCA9531
MAX
500
800
5.5
3.0
2.2
5.5
0.8
5.5
0.8
5.5
+1
—
—
—
—
—
—
—
5
1
5
1
5
+ 0.5
DD
Product data
UNIT
mW
mA
mA
°C
°C
UNIT
V
V
mA
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
pF
µA
pF
µA
pF
V
V
V
V
V
V
V
V
V