参数资料
型号: CAT3647HV3-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: 3
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.6MHz
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: CAT3647HV3-GT2DKR
CAT3647
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified ot herwise)       V IN = 3.6 V, EN = High, T AM B = 25 ° C
Symbol
I Q
Quiescent Current
Name
Conditions
1x mode, excluding load
Min
Typ
1.0
Max
Units
mA
1.33x mode, excluding load
1.5x mode, excluding load
2x mode, excluding load
1.7
2.2
2.4
I QSHDN
I LED-ACC
Shutdown Current
LED Current Setting
V EN = 0 V
RSET = 3.74 k W
20
1
m A
mA
RSET = 7.50 k W
10
I LED-ACC
LED Current Accuracy
(I LEDAVG – I NOMINAL ) / I NOMINAL
± 2
%
RSET = 4.99 k W
I LED-DEV
LED Channel Matching
(I LED - I LEDAVG ) / I LEDAVG
± 1.5
%
V RSET
R OUT
RSET Regulated Voltage
Output Resistance (open loop)
1x mode
0.58
0.6
0.8
0.62
V
W
1.33x mode, V IN = 3 V
1.5x mode, V IN = 2.7 V
2x mode, V IN = 2.4 V
5
5
10
F OSC
Charge Pump Frequency
1.33x and 2x mode
0.8
1
1.3
MHz
1.5x mode
1
1.3
1.6
I SC_MAX
I IN_MAX
LED TH
V HYS
T DF
Output short circuit Current Limit
Input Current Limit
1x to 1.33x or 1.33x to 1.5x or 1.5x to 2x
Transition Thresholds at any LED pin
1x Mode Transition Hysteresis
Mode Transition Filter Delay
V OUT < 0.5 V
V OUT > 1 V, 1x mode
50
250
130
400
120
mA
mA
mV
mV
m s
EN/DIM Pin
R EN/DIM
V HI
V LO
T SD
T HYS
? Internal Pull-down Resistor
? Logic High Level
? Logic Low Level
Thermal Shutdown
Thermal Hysteresis
1.3
100
150
20
0.4
k W
V
V
° C
° C
V UVLO
Undervoltage lockout (UVLO) threshold
1.6
1.8
2.0
V
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