收藏本站
MAX6948B
High-Efficiency PWM LED Driver with Boost
Converter and Five Constant-Current GPIO Ports
ELECTRICAL CHARACTERISTICS (continued)
( Typical Application Circuit , V+ = 2.7V to 5.0V, V DD = 1.7V to V+, T A = T MIN to T MAX , unless otherwise noted. Typical values are at
V+ = 3.3V, V DD = 2.5V, T A = +25 N C.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Change in Supply Current per
30mA Port
D I DD30
One port set to
30mA constant cur-
rent; all other ports
are digital inputs at
V DD or GND
T A = +25 N C
T A = T MIN to T MAX
3
6.2
7
mA
One port set to 5mA
constant current
T A = +25 N C
1.3
1.7
Change in Supply Current per
10mA Port
D I DD10
half-current setting;
all other ports are
digital inputs at V DD
or GND
T A = T MIN to T MAX
2
mA
GPIO PORTS (P0–P4)
Input High Voltage
Input Low Voltage
V IH1
V IL1
Port I/O register value set to 0x01
Port I/O register value set to 0x01
(0.7 x
V DD )
(0.3 x
V DD )
V
V
Input Leakage Current
Input Capacitance
I IN
±0.03
10
Q 1
F A
pF
30mA Port Sink Constant Current
(P0, P1)
I PORT30
Port I/O register
value set to 0x02,
V+ = 3.3V, V EXT -
V LED = 0.5V to 1.5V
(Note 5)
T A = +25 N C
T A = T MIN to T MAX
27
25
30
34
35
mA
10mA Port Sink Constant Current
(P2, P3, P4)
I PORT10
5mA half-current
setting, port I/O
register value set
to 0x02, V+ = 3.3V,
V EXT - V LED = 0.5V
to 1.5V (Note 5)
T A = +25 N C
T A = T MIN to T MAX
4.4
3.7
5
5.6
6.3
mA
Logic Output Low Voltage
30mA Port Sink Constant-Current
Matching (P0, P1)
V OL1
D I PORT30
I SINK = 2mA, port I/O register value set to
0x00
Constant current set V PORT = 1V
to 30mA, V+ = 3.3V,
T A = +25 N C (Note 6) V PORT = 2.75V
0.17
Q 0.7
0.3
Q 5
Q 5
V
%
Constant current set
10mA Port Sink Constant-Current
Matching (P2, P3, P4)
D I PORT10
to 5mA half-current
setting, V+ = 3.3V,
V PORT = 1V
Q 2
Q 5
%
T A = +25 N C (Note 6)
Constant-Current Slew Time
Maxim Integrated
20% current to 80% current, port I/O regis-
ter value changed from 0x01 to 0x02
2
F s
3
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
MAX6964ATG+T IC LED DRIVER LINEAR 24-TQFN
MAX6965ATE+T IC LED DRIVER LINEAR 16-TQFN
MAX6967ATE+ IC LED DRIVER LINEAR 16-TQFN
MAX6968AAE+ IC LED DRIVER LINEAR 16-SSOP
MAX6970AUE+ IC LED DRIVER LINEAR 16-TSSOP
MAX6971AUG+T IC LED DRIVER LINEAR 24-TSSOP
MAX6974ATL+ IC LED DRIVER LINEAR 40-TQFN
MAX6977AAE+ IC LED DRIVER LINEAR 16-SSOP
相关代理商/技术参数
MAX694C/D 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX694CPA 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX694CPA+ 功能描述:监控电路 MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX694EJA 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX694EPA 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX694EPA+ 功能描述:监控电路 MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX694MJA 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX694MJA/883B 功能描述:监控电路 MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel