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参数资料
| 型号： | NCP5603MNR2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/13页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT 10-DFN |
| 产品变化通告： | LTB Notification 03/Jan/2008 |
| 标准包装： | 3,000 |
| 恒定电压： | 是 |
| 拓扑： | PWM，切换式电容器（充电泵） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
NCP5603
ELECTRICAL CHARACTERISTICS @ 2.85 V < Vbat < 5.5 V (-40 ° C to +85 ° C ambient temperature, unless otherwise noted).
Power Supply
Characteristic
Pin
3
Symbol
V bat
Min
2.85
Typ
-
Max
5.5
Unit
V
Quiescent Current @ V bat = 3.7 V, I out = 0 m A
3
Iqsc
mA
@ Pulsed Clock Fop = 262 kHz
@ Pulsed Clock Fop = 650 kHz
@ Continuous Clock Fop = 262 kHz
@ Continuous Clock Fop = 650 kHz
-
-
-
-
-
-
1.0
2.1
0.8
1.2
-
-
Shutdown Current @ I out = 0 mA, EN/PWM = L
3
I stdb
m A
@ 2.85 < V bat < 4.2 V
@ V bat = 5.5 V
-
-
-
-
2.5
4.0
Output Voltage Regulation
3
V out
V
@ Vsel = 1, 2.85 V < V bat < 4.3 V
@ Vsel = 0, 2.85 V < V bat < 4.3 V
4.75
4.275
5.0
4.5
5.25
4.725
Continuous DC Load Current (Note 7)
3
I out
mA
Cin = 1.0 m F, C FLY = 1.0 m F, Cout = 1.0 m F
@ Vsel = 1, 3.2 V < V bat < 4.3 V
@ Vsel = 0, 3.2 V < V bat < 4.3 V
@ Vsel = 1, 2.85 V < V bat < 4.3 V
@ Vsel = 0, 2.85 V < V bat < 4.3 V
-
-
-
-
-
-
-
-
160
200
80
120
Pulsed Output Current
3
I FLH
mA
Cin = 10 m F, C FLY = 1.0 m F, Cout = 10 m F, V bat = 3.6 V
Pwidth = 500 ms, -40 ° C < T A < +65 ° C
-
350
-
Output Continuous Short Circuit Current, V out = 0 V
3
Isch
-
40
100
mA
Operating Frequency (Note 5)
Fop
kHz
@ Fsel = 0, 2.85 V < V bat < 4.5 V
@ Fsel = 1, 2.85 V < V bat < 4.5 V
210
500
262
650
320
1000
Output Voltage Ripple (Note 6)
3
V PP
mV
Fop = 262 kHz, I out = 60 mA (Note 7)
@ C out = 1.0 m F
@ C out = 4.7 m F
-
-
150
25
-
60
Digital Input High Level
Digital Input Low level
4, 5, 6
4, 5, 6
V IH
V IL
1.3
-
-
-
-
0.4
V
V
Output Power Efficiency
P h
%
@ V bat = 3.3 V, V out = 5.0 V, I out = 60 mA, Fop = 262 kHz
@ V bat = 3.9 V, V out = 5.0 V, I out = 160 mA, Fop = 650 kHz
-
-
75
84
-
-
Thermal Shut Down Protection
Hysteresis
T HSD
-
-
160
20
-
-
° C
5. Temperature range guaranteed by design, not production tested.
6. Smaller footprint associated to lower working voltages (10 V or 6.3 V, size 0805 or 0602) can be used, but care must be observed to prevent
DC bias effect on the capacitance final value. See capacitor manufacturer data sheets.
7. Ceramic X7R, ESR < 100 m W , SMD type capacitors are mandatory to achieve the I out specifications. Depending upon the PCB layout, it
might be necessary to use two 2.2 m F/6.3 V/ceramic capacitors in parallel, yielding an improved V out noise over the temperature range. On
the other hand, care must be observed to take into account the DC bias impact on the capacitance value. See ceramic capacitor manufacturer
data sheets.
8. Digital inputs undershoot < - 0.30 V to ground, Digital inputs overshoot < 0.30 V to V bat .
http://onsemi.com
6
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