参数资料
型号: ADP8863ACPZ-R7
厂商: Analog Devices Inc
文件页数: 3/52页
文件大小: 0K
描述: IC LED DRVR WHIT BCKLGT 20-WLCSP
标准包装: 1
拓扑: 切换式电容器(充电泵)
输出数: 7
内部驱动器:
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGB,白色 LED
频率: 800kHz ~ 1.32MHz
电源电压: 2.5 V ~ 5.5 V
输出电压: 4.3 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-UFBGA,WLCSP
供应商设备封装: 20-WLCSP
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: ADP8863ACPZ-R7DKR

ADP8863
SPECIFICATIONS
VIN = 3.6 V, SCL = 2.7 V, SDA = 2.7 V, nINT = open, nRST = 2.7 V, CMP_IN = 0 V, V D1:D7 = 0.4 V, Capacitor C1 = 1 μF, Capacitor C2 = 1 μF,
C OUT = 1 μF, typical values are at T A = 25°C and are not guaranteed, minimum and maximum limits are guaranteed from T A = ?40°C to
+85°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
SUPPLY
Input Voltage
Operating Range
V IN
2.5
5.5
V
Start-Up Level
V IN(START)
V IN increasing
2.05
2.30
V
Low Level
V IN(START) Hysteresis
UVLO Noise Filter
V IN(STOP)
V IN(HYS)
t UVLO
V IN decreasing
After startup
1.75
1.97
80
10
V
mV
μs
Quiescent Current
I Q
Prior to V IN(START)
I Q(START)
V IN = V IN(START) ? 100 mV
10
μA
During Standby
After Startup and Switching
I Q(STBY)
I Q(ACTIVE)
V IN = 3.6 V, Bit nSTBY = 0, SCL = SDA = 0 V
V IN = 3.6 V, Bit nSTBY = 1, I OUT = 0 mA,
0.3
4.5
1.0
7.2
μA
mA
gain = 2×
OSCILLATOR
Switching Frequency
Duty Cycle
f SW
D
0.8
1
50
1.32
MHz
%
OUTPUT CURRENT CONTROL
Maximum Drive Current
D1 to D7
I D1:D7(MAX)
V D1:D7 = 0.4 V
Bit SCR = 0 in the ISC7 register
T J = 25°C
T J = ?40°C to +85°C
D7 Only (60 mA Setting)
T J = 25°C
T J = ?40°C to +85°C
I D7(60 mA)
V D7 = 0.4 V, Bit SCR = 1 in the ISC7 register
26.2
24.4
52.5
48.8
30
60
34.1
34.1
67
67
mA
mA
mA
mA
LED Current Source Matching 1
I MATCH
All Current Sinks
D2 to D7 Current Sinks
Leakage Current on LED Pins
I MATCH7
I MATCH6
I D1:D7(LKG)
V D1:D7 = 0.4 V
V D2:D7 = 0.4 V
V IN = 5.5 V, V D1:D7 = 2.5 V, Bit nSTBY = 1
2.0
1.5
0.5
%
%
μA
Equivalent Output Resistance
R OUT
Gain = 1×
Gain = 1.5×
Gain = 2×
V IN = 3.6 V, I OUT = 100 mA
V IN = 3.1 V, I OUT = 100 mA
V IN = 2.5 V, I OUT = 100 mA
0.5
3.0
3.8
Ω
Ω
Ω
Regulated Output Voltage
V OUT(REG)
V IN = 3 V, gain = 2×, I OUT = 10 mA
4.3
4.9
5.5
V
AUTOMATIC GAIN SELECTION
Minimum Voltage
Gain Increases
Minimum Current Sink Headroom
V HR(UP)
V HR(MIN)
Decrease V D1:D7 until the gain switches up
I DX = I DX(MAX) × 95%
162
200
180
276
mV
mV
Voltage
Gain Delay
t GAIN
The delay after gain has changed and
100
μs
before gain is allowed to change again
AMBIENT LIGHT SENSING
COMPARATORS
Ambient Light Sensor Current
I ALS
CMP_IN = V D6 = 2.8 V, Bit CMP2_SEL = 1
0.70
1.08
1.33
mA
DAC Bit Step
Threshold L2 Level
Threshold L3 Level
I L2BIT
I L3BIT
I L2BIT = I ALS /250
I L3BIT = I ALS /2000
4.3
0.54
μA
μA
Rev. A | Page 3 of 52
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