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参数资料
型号： MC34848EPR2
厂商： Freescale Semiconductor
文件页数： 10/38页
文件大小： 0K
描述： IC LED DVR BACKLIGHT 8CH 48QFN
产品变化通告： AMPD Product Discontinuation 12/Dec/2012
标准包装： 2,000
恒定电流： 是
恒定电压： 是
拓扑： PWM，升压（升压）
输出数： 8
内部驱动器： 是
类型 - 主要： 背光
频率： 200kHz ~ 1.2MHz
电源电压： 2.6 V ~ 3.6 V
输出电压： 45V
安装类型： 表面贴装
封装/外壳： 48-VFQFN 裸露焊盘
供应商设备封装： 48-QFN-EP（7x7）
包装： 带卷 (TR)
工作温度： -40°C ~ 85°C
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
The differential interface for data and clock control is specified as below.
CHP
CLP
CLK
0V
-120 mV
+120 mV
-120 mV
-120 mV
50%
+120 mV
50% 50%
-120 mV -120 mV
+120 mV
(DIFFERENTIAL
CLOCK SIGNAL)
SPSTU
SPHLD
STH
2.0 V
2.0 V
0.9 V
1 st
2 nd
DIFFERENTIAL DATA
Invalid Data
+120 mV +120 mV
-120 mV -120 mV
+120 mV +120 mV
-120 mV -120 mV
3 rd
NOTE: Max CLK Frequency - 85 MHz
Figure 4. Timing Specifications 1
Table 5. Timing Specification 1
Symbol
CHP
CLP
STU
HLD
Parameter
Clock (CLK) High Period
Clock (CLK) Low Period
(R.G.B.) Setup to falling or rising edge of CLK
(R.G.B.) Hold from falling or rising edge of CLK
Conditions
f = 85 MHz
f = 85 MHz
f = 85 MHz
IPI = 100 μ A, f = 85 MHz
Min
-
-
1.875
0.225
Typ.
5.7
5.8
-
-
Max
-
-
-
-
Unit
ns
ns
ns
ns
SPSTU STH rising to CLK falling
SPHLD STH falling to CLK falling
RT = 100 Ω , CT = 5.0 pF, f = 85 MHz
RT = 100 Ω , CT = 5.0 pF, f = 85 MHz
3.0
1.5
-
-
-
-
ns
ns
V DIFF N
V DIFF P
VIH
VIL
VCM
GND
VIH
OV
VIL
(V DIFF P) - (V DIFF N)
Figure 5. CLK and Data input Specification
Table 6. Timing Specification 1
V CM = +1.2 V
Symbol
V IH
V IL
V CM
I DL
Parameter
High Input Voltage
Low Input Voltage
Common Mode Input Voltage Range
Input Leakage Current
Conditions
V CM = +1.2 V (9)
(9)
V IH = +70 mV, V IL = -70 mV
DxxP, DxxN, CLKP, CLKN
Min
70
-
0.9
-10
Typ.
200
-200
1.2
-
Max
-
-70
1.4
10
Unit
mV
V
μ A
Notes:
9.
VCM = (VCLKP+VCLKN)/2 or VCM = (VDxxP+VDxxN)/2
The positive sign means that DxxP (or CLKP) is higher than ground DxxN (or CLKN)
The negative sign means that DxxP (or CLKP) is lower than ground DxxN (or CLKN)
34848
Analog Integrated Circuit Device Data
10
Freescale Semiconductor
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