NXP Semiconductors
PCU9955
16-channel UFm I 2 C-bus 57 mA constant current LED driver
13. Static characteristics
Table 19. Static characteristics
V DD = 3 V to 5.5 V; V SS = 0 V; T amb = ? 40 ? C to +85 ? C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply
V DD
supply voltage
3
-
5.5
V
I DD
supply current
on pin V DD ; operating mode; no load;
f USCL = 5 MHz
V DD = 3.3 V
V DD = 5.5 V
-
-
6.5
7.0
14
15
mA
mA
I DD
supply current
R ext = open; LED[15:0] = off
R ext = 2 k ? ; LED[15:0] = off
R ext = 1 k ? ; LED[15:0] = off
R ext = 2 k ? ; LED[15:0] = on
R ext = 1 k ? ; LED[15:0] = on
-
-
-
-
-
0.7
2
3
2
3
14
14
15
15
16
mA
mA
mA
mA
mA
I stb
standby current
on pin V DD ; no load; f USCL = 0 Hz;
MODE1[4] = 1; V I = V DD
V DD = 3.3 V
V DD = 5.5 V
-
-
100
100
600
700
? A
? A
V POR
power-on reset voltage
no load; V I = V DD or V SS
-
2.65
2.8
V
V PDR
power-down reset voltage
no load; V I = V DD or V SS
[1]
0.8
1.25
-
V
Input USCL; input USDA
V IL
LOW-level input voltage
? 0.5
-
+0.3V DD V
V IH
HIGH-level input voltage
0.7V DD -
5.5
V
I L
C i
leakage current
input capacitance
V I = V DD or V SS
V I = V SS
? 1
-
-
6
+1
10
? A
pF
Current controlled outputs (LED[15:0])
I O
output current
V O = 0.8 V; IREFx = FFh
? I O
output current variation
R ext = 1 k ?
R ext = 2 k ?
V O = 0.8 V; IREFx = FFh
between bits (different ICs, same
52
25.5
-
57.5
28.5
? 2.5
62
31.5
? 8
mA
mA
%
channel); R ext = 1 k ?
between bits (2 channels, same IC);
R ext = 2 k ?
-
? 1.7
? 5.8
%
V reg(drv)
I L(off)
driver regulation voltage
off-state leakage current
minimum regulation voltage;
IREFx = FFh; R ext = 1 k ?
V O = 40 V
0.8
? 1
1.0
-
40
+1
V
? A
Address inputs, RESET input
V IL
LOW-level input voltage
? 0.5
-
+0.3V DD V
V IH
HIGH-level input voltage
0.7V DD -
5.5
V
I LI
C i
input leakage current
input capacitance
? 1
-
-
3.7
+1
5
? A
pF
PCU9955
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 2 October 2012
? NXP B.V. 2012. All rights reserved.
29 of 39
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