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NJU6052 Datasheet(PDF) 3 Page - New Japan Radio

Part # NJU6052
Description  White LED Driver with Automatic Dimming Control
Download  23 Pages
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJU6052 Datasheet(HTML) 3 Page - New Japan Radio

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NJU6052
Ver.2004-02-26
! PIN DESCRIPTION
No.
QFN
SSOP
SYMBOL
TYPE
DESCRIPTIONS
4
6
VDD
Power
VDD Power Supply
- Power supply for step-up voltage
5
7
VDDL
Power
VDDL Power Supply
- Power supply for logic voltage.
- Relation:1.8V
≤ VDDL≤ VDD should be maintained.
25
26
27
1
2
3
SW
Input
Switch
- All these terminals should be connected together.
10
10
SCK
Input
Shift Clock
- Serial data is latched on the rising edge of SCK.
9
9
DATA
Input / Output
Serial Data
2
4
TEST
Output
Test
- This terminal must be open.
6
8
REQ
Input
Data Request
“L” : Writing command data
“H” : Reading sensor data
12
12
SENS
Input
Luminance Sensor Connection
11
11
RSTb
Input
Reset
- Active “L”.
24
20
VOUT
Input
Input
- This terminal is connected to LED anode.
23
19
FB
Input
Feedback
18
19
20
16
17
18
VSS
Power
Ground
- All these terminals should be connected together.
16
14
CX/TCLK
Input
Oscillator Capacitor Connection / External Clock Input
13
13
VSO
Output
VSO Power Supply
- Power supply for luminance sensor
- 2.4V typical
17
15
REF
Input
Reference Voltage
- This terminal must be open.
1
3
7
8
14
15
21
22
28
5
NC
-
Non Connection
- These terminals must be open.


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