参数资料
型号: CAT3637HV3-GT2
厂商: ON Semiconductor
文件页数: 3/14页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 16-TQFN
标准包装: 1
系列: QUAD-Mode®
拓扑: 切换式电容器(充电泵)
输出数: 6
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 600kHz ~ 1.4MHz
电源电压: 2.5 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-TQFN(3x3)
包装: 标准包装
工作温度: -40°C ~ 85°C
产品目录页面: 805 (CN2011-ZH PDF)
其它名称: CAT3637HV3-GT2DKR
CAT3637
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) V IN = 3.6 V, EN = High, T AMB = 25 ° C
Symbol
I Q
Quiescent Current
Name
Conditions
1x mode, V IN = 4.2 V
Min
Typ
1.5
Max
Units
mA
1.33x mode, V IN = 3.3 V
1.5x mode, V IN = 2.8 V
2x mode, V IN = 2.5 V
2.8
3.7
3.8
I QSHDN
I LED ? ACC
I LED ? DEV
R OUT
Shutdown Current
LED Current Accuracy
LED Channel Matching
Output Resistance (open loop)
V EN = 0 V
2 mA ≤ I LED ≤ 30 mA
I LED * I LEDAVG
I LEDAVG
1x mode, I OUT = 120 mA
± 3
± 1
0.5
1
m A
%
%
W
1.33x mode, I OUT = 120 mA
1.5x mode, I OUT = 120 mA
2x mode, I OUT = 120 mA
3.5
3.5
6
F OSC
Charge Pump Frequency
1.33x and 2x mode
0.6
0.8
1.1
MHz
1.5x mode
0.8
1.1
1.4
I SC_MAX
LED TH
Output short circuit Current Limit
1x to 1.33x or 1.33x to 1.5x or
V OUT < 0.5 V
80
150
mA
mV
1.5x to 2x Transition Thresholds at any LEDx pin
V HYS
T DF
I IN_MAX
1.33x to 1x Transition Hysteresis
Mode Transition Filter Delay
Input Current Limit
V IN ? Highest LED V F
V OUT > 1 V
400
120
450
mV
m s
mA
EN/DIM Pin
R EN/DIM
V HI
V LO
T SD
T HYS
V UVLO
? Internal Pull ? down Resistor
? Logic High Level
? Logic Low Level
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
1.3
100
150
20
2
0.4
k W
V
V
° C
° C
V
NOTE:
Typical application circuit with external components is shown on page 2.
http://onsemi.com
3
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