参数资料
型号: CAT4134HV2-T2
厂商: ON Semiconductor
文件页数: 3/12页
文件大小: 0K
描述: IC LED DRVR BKLGHT FLASH 12-TDFN
标准包装: 1
拓扑: PWM,升压(升压)
输出数: 2
内部驱动器:
类型 - 主要: 背光,闪灯/白光
类型 - 次要: 白色 LED
频率: 900kHz,1.2MHz
电源电压: 2.8 V ~ 4.2 V
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
供应商设备封装: 12-TDFN(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: CAT4134HV2-T2DKR
CAT4134
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(V IN = 3.6 V, EN = V IN and at ambient temperature of 25 ° C (over recommended operating conditions unless otherwise specified))
Symbol
I Q
I SD
I SW
Parameter
Quiescent Current (not switching)
Shutdown Current
Switch Current Limit
Conditions
V LED1 > 0.5 V, V LED2 > 0.5 V
EN = 0 V
Movie Mode (FLASH = Low)
Min
0.5
Typ
100
1
1
Max
250
Unit
m A
m A
A
Flash Mode (FLASH = High)
1.7
2
R SW
Switch Resistance
I SW = 1000 mA
0.3
0.5
W
I LK
F OSC
Switch Leakage Current
Oscillator Frequency
Switch Off, V SW = 5 V
Movie Mode
1.2
5
m A
MHz
Flash Mode
0.9
V OVP
h
T SD
T HYST
V UVLO
OVP pin threshold
Efficiency
Thermal Shutdown
Thermal Hysteresis
Undervoltage Lock Out (UVLO) Threshold
V OUT = 10 V, Load = 200 mA
Disabled when V IN < V UVLO
1.10
1.20
85
150
20
1.9
1.30
2.2
V
%
° C
° C
V
EN LOGIC CONTROL INPUT
V SDHI
V SDLO
I SDBIAS
Logic High Threshold
Logic Low Threshold
Input Bias current
EN > V SDHI Enables Device
EN = 3 V
0.4
0.7
0.7
10
1.5
40
V
m A
V RSET
V RFLASH
V LED
RSET pin voltage
RFLASH pin voltage
LED1, LED2 Pin Voltage
22 k W < R SET < 200 k W
22 k W < R FLASH < 200 k W
Both Flash and Movie Mode
1.10
1.10
1.20
1.20
400
1.30
1.30
V
V
mV
(whichever is the lower)
(lower voltage pin is regulated)
I LED
Programmed LED Current
R SET
= 21.6 k W
20
mA
R FLASH = 43.2 k W
R FLASH = 21.6 k W
50
100
I LED-RAN
LED Current Adjust Range per LED output
In Movie mode
5
50
mA
In Flash mode
25
200
I LED-ACC
I LED-DEV
LED Current Accuracy
LED Current Matching
± 5
± 5
%
%
FLASH CONTROL LOGIC INPUT
V FHI
V FLO
I INPUT
Logic High Threshold
Logic Low Threshold
Input Bias current
FLASH > V FHI Flash Enabled
FLASH = 3 V
0.4
0.7
0.7
10
1.5
40
V
m A
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