PCU9955TW,118 NXP Semiconductors, PCU9955TW,118 Datasheet - Page 31

• Manufacturer Part Number: PCU9955TW,118
• Description: LED Lighting Drivers 16-ch Ufm I2C-bus 57 mA LED driver
• Manufacturer: NXP Semiconductors

Specifications of PCU9955TW,118

• Rohs: yes
• Input Voltage: 3 V to 5.5 V
• Maximum Supply Current: 15 mA
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Power Dissipation: 3.2 W
• Factory Pack Quantity: 2500

NXP Semiconductors
15. Test information
PCU9955
Product data sheet
Fig 19. I
protocol
USDA
USCL
Rise and fall times refer to V
2
C-bus timing diagram
t
SU;STA
t
BUF
condition
START
(S)
t
HD;STA
Fig 20. Test circuitry for switching times
t
LOW
t
r
MSB
bit 7
IL
R
C
R
L
L
T
and V
t
HIGH
= Load resistor for LEDn.
= Load capacitance includes jig and probe capacitance.
= Termination resistance should be equal to the output impedance Z
All information provided in this document is subject to legal disclaimers.
IH
.
t
SU;DAT
t
f
1 / f
bit 6
USCL
GENERATOR
Rev. 2 — 2 October 2012
PULSE
16-channel UFm I
t
HD;DAT
bit 1
(D1)
V
I
R T
bit 0
(D0)
DUT
2
V
C-bus 57 mA constant current LED driver
DD
V
O
(always set
by master)
to 1
clock
C L
50 pF
9th
t
SU;STO
R L
50 Ω
002aag289
condition
STOP
V
open
V
(P)
LED
SS
o
of the pulse generators.
PCU9955
© NXP B.V. 2012. All rights reserved.
0.7 × V
0.3 × V
0.7 × V
0.3 × V
002aag332
DD
DD
DD
DD
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