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参数资料
| 型号： | NCP5608MTR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 24-TQFN |
| 产品变化通告： | Product Obsolescence 19/Dec/2008 |
| 标准包装： | 4,000 |
| 拓扑： | 切换式电容器（充电泵） |
| 输出数： | 8 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.3MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 4.8 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
NCP5608
POWER SUPPLY SECTION (Typical values are referenced to T A = +25 ° C, Min & Max values are referenced ?40 ° C to +85 ° C ambient
temperature, unless otherwise noted.)
Pin
19, 24
Symbol
PV bat,
Power Supply
Rating
Min
2.7
Typ
?
Max
5.5
Unit
V
AV bat
18
18
18
24
I out
Isch
Vout
I stdb
Continuous DC Current in the Load @ V out = 8xLED, V bat = 3.4 V
Continuous Output Short Circuit Current
Output Voltage Compliance (OVP)
Standby Current, @ I out = 0 mA, @ 2.7 V < Vbat < 4.2 V
500
?
4.8
?
?
60
?
?
?
120
5.5
5.0
mA
mA
V
m A
19
I op
Operating Current, @ I out > 0 mA
mA
PV bat = 3.6 V
PV bat = 4.2 V
?
?
0.5
0.8
?
?
7, 8, 9, 10
7, 8, 9, 10
11, 12, 14,
15
11, 12, 14,
15
18
Fpwr
I MAT
I TOL
I MAT
I TOL
t start
T SD
T SDH
Charge Pump Operating Frequency (Any C FLY Capacitor Pins)
Output LED to LED Current Matching,
@ V bat = 3.6 V, I LED = 20 mA, LED1 to LED4 are Identical
Output Current Tolerance, LED1 to LED4
@ V bat = 3.6 V, I LED = 20 mA
Output LED to LED Current Matching,
@ V bat = 3.6 V, I LED = 80 mA, LED5 to LED8 are Identical
Output Current Tolerance, LED5 to LED8
@ V bat = 3.6 V, I LED = 80 mA
DC?DC Start Time (C out = 4.7 m F )
? from Vbat Operating to Full Load Operation
Thermal Shutdown Protection
Thermal Shutdown Protection Hysteresis
?
2.0
?
2.0
?
?
?
?
1.3
" 0.5
" 2.0
" 0.5
" 2.0
150
160
30
?
2.0
?
2.0
?
?
?
?
MHz
%
%
%
%
m s
° C
° C
ANALOG SECTION (Typical values are referenced to T A = +25 ° C, Min & Max values are referenced ?25 ° C to +85 ° C ambient
temperature, unless otherwise noted.)
Pin
3
3
2
2
4, 5
Symbol
I REFBK
I REFFL
C in
Rating
Backlight Reference Current @ Vref = 600 mV (Notes 7, 8)
Reference Current (I REF ) to Backlight Ratio
Flash Reference Current @ Vref = 600 mV (Notes 7, 8)
Reference Current (I REF ) to Flash Ratio
Input Capacitance (Parameter not tested, guaranteed by design)
Min
1.0
?
1.0
?
?
Typ
?
40
?
40
?
Max
100
?
100
?
10
Unit
m A
?
m A
?
pF
7. The overall output current tolerance depends upon the accuracy of the external resistor. Using 1% or better resistor is recommended.
8. The external circuit must not force the I REF pin voltage either higher or lower than the 600 mV specified.
DIGITAL PARAMETERS SECTION @ 2.70 V v V CC v 5.5 V (T A = ?25 ° C to +85 ° C unless otherwise noted.)
Note: Digital inputs undershoot v ?0.30 V to ground. Digital inputs overshoot v 0.30 V to V CC .
Pin
5
Symbol
F CLK
Rating
Input I2C Clock, Duty Cycle = 50%
Min
?
Typ
?
Max
400
Unit
kHz
4, 5
4, 5
V IH
V IL
Positive?Going Input High Voltage Threshold (SDA, SCL)
Negative?Going Input High Voltage Threshold (SDA, SCL)
0.7
0
V CC
?
?
V cc + 0.5 V
0.4
V
V
9. The V CC Bias pins can be either left open, or biased by the same voltage as the external MCU power supply source. An external 10 nF capacitor
might be necessary to improve the I2C function when operating with SDA and SCL signal amplitude below 1.8 V.
10. Expernal pullup resistors shall be connected to properly bias the SDA and SCL logic levels according to the I2C specifications.
http://onsemi.com
6
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