参数资料
型号: ADP5501ACPZ-RL
厂商: Analog Devices Inc
文件页数: 3/28页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 24LFCSP
标准包装: 1
拓扑: 升压(升压)
输出数: 4
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: 400kHz
电源电压: 2.7 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ(4x4)
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: ADP5501ACPZ-RLDKR

ADP5501
SPECIFICATIONS
VBAT = 2.7 V to 5.5 V, T J = ?400C to +1250C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions 1
Min
Typ
Max
Unit
SUPPLY VOLTAGE
VBAT Input Voltage Range
VDDIO Input Voltage Range
V BAT
V IO
2.7
1.8
5.5
3.3 2
V
V
Undervoltage Lockout Threshold
UVLO VBAT
UVLO VBAT
UVLO VDDIO
UVLO VDDIO
VBAT falling
VBAT rising
VDDIO falling
VDDIO rising
1.7
1.1
2.1
2.4
1.3
1.4
2.7
V
V
V
V
SW Leakage
SW LEAKAGE
2.7 V ≤ VBAT ≤ 5.5 V
0.1
1
μA
SUPPLY CURRENT
Shutdown Current 3
Standby Current 4
I SD
I STNBY
VDDIO = 0 V
1.8 V ≤ VDDIO ≤ 3.3 V 2 ,
0.1
25
1
45
μA
μA
STNBY = 0
BACKLIGHT LED DRIVER (SW, BST)
Current Limit (Peak Inductor Current)
On Resistance
Overvoltage Threshold
Boost Startup Time
450
200
24.5
600
200
27
1
750
400
29.5
mA
V
mS
BACKLIGHT LED CURRENT SINK (BL_SNK)
Full-Scale Current Sink
Backlight code = 0x7F,
26
30
32
mA
bias = 0.65 V
Backlight Current Ramp Rate
Fade timers disabled
0.3
mA/ms
AMBIENT LIGHT SENSOR (CMP_IN)
Full-Scale Current
BL FULLSCALE
0.7
1
1.2
mA
INPUT LOGIC LEVELS (SCL, SDA, RST)
Logic Low Input Voltage
Logic High Input Voltage
V IL
V IH
1.8 V ≤ VDDIO ≤ 3.3 V 2
1.8 V ≤ VDDIO ≤ 3.3 V 2
0.7 × VDDIO
0.3 × VDDIO
V
V
Input Leakage Current
INPUT LOGIC DEBOUNCE (RST)
V I-LEAKAGE
V IL-DBNC
1.8 V ≤ VDDIO ≤ 3.3 V 2
50
0.1
75
1
100
μA
μs
OPEN-DRAIN OUTPUT LOGIC LEVELS (INT, SDA)
Logic Low Output Voltage
V OL
I SINK = 1mA
0.4
V
Logic High Leakage Current
V OH-LEAKAGE
1.8 V ≤ VDDIO ≤ 3.3 V 2
0.1
1
μA
AUX LED CURRENT SINKs (ILED, C3, R3)
Leakage
LED LEAKAGE
Sink disabled
0.1
1
μA
Full-Scale Current Sink
LED FULLSCALE
Applied pin voltage = 1 V
10.5
14
16.5
mA
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
TS
TS HYS
T J rising
T J falling
150
10
°C
°C
I 2 C TIMING SPECIFICATIONS
Delay from Reset Deassertion to I 2 C Access
60
μs
SCL Clock Frequency
SCL High Time
SCL Low Time
Data Setup Time
f SCL
t HIGH
t LOW
t SU, DAT
0.6
1.3
100
400
kHz
μs
μs
ns
Data Hold Time
Setup Time for Repeated Start
t HD, DAT
t SU, STA
0
0.6
0.9
μs
μs
Rev. 0 | Page 3 of 28
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