参数资料
型号: MAX34440ETL+T
厂商: Maxim Integrated Products
文件页数: 8/43页
文件大小: 0K
描述: IC PS MANAGER PMBUS 6CH 40TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 基站网络线路卡,服务器
电源电压: 2.7 V ~ 5.5 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 带卷 (TR)
其它名称: 90-34440+TTR
MAX34440
PMBus 6-Channel Power-Supply Manager
I 2 C/SMBus INTERFACE ELECTRICAL SPECIFICATIONS
(V DD = 2.7V to 5.5V, T A = -40 N C to +85 N C, unless otherwise noted. Typical values are at V DD = 3.3V, T A = +25 N C, unless otherwise noted.)
PARAMETER
SCL Clock Frequency
Bus Free Time Between STOP
and START Conditions
SYMBOL
f SCL
t BUF
(Note 5)
CONDITIONS
MIN
10
1
TYP
MAX
100
UNITS
kHz
ms
Hold Time (Repeated) START
Condition
Low Period of SCL
High Period of SCL
t HD:STA
t LOW
t HIGH
4.0
4.7
4.0
F s
F s
F s
Data Hold Time
Data Setup Time
START Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
STOP Setup Time
t HD:DAT
t SU:DAT
t SU:STA
t R
t F
t SU:STO
Receive
Transmit
0
300
100
4.7
4.0
300
300
ns
ns
F s
ns
ns
F s
Clock Low Timeout
t TO
25
35
ms
Note 1: All voltages are referenced to ground (V SS ). Currents entering the IC are specified as positive, and currents exiting the IC
are negative.
Note 2: This does not include pin input/output currents.
Note 3: Guaranteed by design.
Note 4: ADC has no missing codes.
Note 5: Commands MFR_MODE, STORE_DEFAULT_ALL, and RESTORE_DEFAULT_ALL require a bus free time of 250ms.
I 2 C/SMBus Timing
SDA
t BUF
t LOW
t F
t HD:STA
t SP
SCL
t HD:STA
t R
t HIGH
t SU:STA
t SU:STO
t HD:DAT
t SU:DAT
STOP
START
REPEATED
START
NOTE: TIMING IS REFERENCED TO V IL(MAX) AND V IH(MIN) .
8
Maxim Integrated
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