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STP1612PW05 bảng dữ liệu(PDF) 12 Page - STMicroelectronics

tên linh kiện STP1612PW05
Giải thích chi tiết về linh kiện  16-channel LED driver with 16-bit PWM, 8-bit gain and full LED error detection
PDF  35 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STP1612PW05 bảng dữ liệu(HTML) 12 Page - STMicroelectronics

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Electrical characteristics
STP1612PW05
12/35
Doc ID 15819 Rev 4
Figure 4.
Test circuit for switching characteristics
Table 11.
Switching characteristics (VDD = 3.3 V)
Symbol
Characteristics
Conditions
Min.
Typ.
Max.
Unit
tSU0
Setup time
SDI - DCLK
↑
VDD = 3.3 V
VIH = VDD
VIL = GND
Rext = 460 Ω
VLED = 4.5 V
RL = 152 Ω
CL = 10 pF
C1 = 100 nF
C2 = 10
μF
1
ns
tSU1
LE
↑ – DCLK ↑
1
ns
tSU2
LE
↓ – DCLK ↑
5
ns
tH0
Hold time
CLK
↑ - SDI
3
ns
tH1
CLK
↑ - LE ↓
7
ns
tPD0
Propagation delay
time
CLK - SDO
45
40
ns
tPD1
PWCLK-OUTn4(1)
1.
Refer to the timing waveform Figure 4, where n = 0, 1, 2, 3.
120
ns
tPD2
LE – SDO(2)
2.
In timing of “read configuration” and “read error status code”, the next CLK rising edge should be tPD2 after
the falling edge of LE.
45
40
ns
tDL1
Stagger delay
time
OUTn4 + 1 (1)
40
ns
tDL2
OUTn4 + 2 (1)
80
ns
tDL3
OUTn4 +3 (1)
120
ns
tw(L)
Pulse width
LE
5
ns
tw(CLK)
CLK
20
ns
tw(PWCLK)
PWCLK
20
ns
tON
Output rise time of output ports
11.6
ns
tOFF
Output fall time of output ports
7
ns
tDEC
Error detection duration
0.5
1
μs
P W CLK
CLK
LE
DD
V
EXT
-
R
GND
SDO
OUT0
.
..
Generator
Function
DD
I
OUT
I
C
L
V
LED
waveform
input
Logic
SDI
OUT 15
1
C
2
C
V
IH,VIL
V
IH=VDD
VIL=GND
R
ext
R
L
R
L
C
L
C
L
V
DD



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