NCP5009 Ver la hoja de datos (PDF) - ON Semiconductor
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NCP5009 Datasheet PDF : 17 Pages
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NCP5008, NCP5009
Table 1. Shift Register Bits Assignment and Functions
SetReg shift register (Note: The register content is latched upon CS positive going).
Bn Value After POR
Iout Peak (mA)
B7
0
Iref*k*7.5
B6
0
Iref*k*6.5
B5
0
Iref*k*5.5
B4
0
Iref*k*4.5
B3
0
Iref*k*3.5
B2
0
Iref*k*2.5
B1
0
Iref*k*1.5
LOCAL
L
L
H or Open
H or Open
H or Open
CLOCK
CS
X
H
X
L
X
H
↓
L
↑
L
B1−B7
X
X
No Change
No Change
Qdata → Bn
Output Current
0
Iref * k
Iref * k * (Bn + 0.5)
Iref * k * (Bn + 0.5)
Iref * k * (Bn + 0.5)
The register is clear to 0 during the first 20 ns following the CS falling edge.
Note:
Coefficient Value (internal ratio): k = 746
Maximum output peak current @ B7 = 1 and Iphoto = 0 mA : Iout peak = Iref * (7 + 0.5) * 746 = Iref * 5595
Iref
+
Vref
R1
+
1.24
R1
V
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply
Output Power Supply Voltage Compliance
Digital Input Voltage
Digital Input Current
Vbat, VBIAS
7.0
V
VL2
16
V
CLK, CS
−0.3 tV tVbat + 3.0 V
V
1.0
mA
Human Body Model: R = 1500 W, C = 100 pF
ESD
"2.0
kV
Machine Model
ESD
"200
V
Micro 10 Package
Power Dissipation @ TA = +85°C
Thermal Resistance, Junction−to−Air
PD
200
mW
RThja
200
°C/W
Operating Ambient Temperature Range
TA
−25 to +85
°C
Operating Junction Temperature Range
TJ
−25 to +125
°C
Maximum Junction Temperature
TJmax
+150
°C
Storage Temperature Range
Tstg
−65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
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