參數資料
型號: AMIS-39100
英文描述: Octal High Side Driver with Protection
中文描述: 八路高端驅動器,帶有保護
文件頁數: 8/16頁
文件大小: 376K
代理商: AMIS-39100
AMIS-39100:
Octal High Side Driver with Protection
Data Sheet
8.4 Load Specific Parameters
HS driver parameters for specific loads are specified in following categories:
A. Parameters for inductive loads up to 350mH and T
ambient
up to 105°C
B. Parameters for inductive loads up to 300mH and T
ambient
up to 105°C
C. Parameters for resistive loads and T
ambient
up to 85°C
Table 8: Load Specific Characteristics
A. Inductive Load up to 350mH and T
ambient
up to 105°C
Symbol
Description
I_OUT_ON_max.
Maximum output per HS driver, all eight drivers might be active
simultaneously
B. Inductive Load up to 300mH and T
ambient
up to 105°C
I_OUT_ON_max.
Maximum output per HS driver, all eight drivers might be active
simultaneously
C. Resistive Load and T
ambient
up to 85°C
I_OUT_ON_max.
Maximum output per HS driver, all eight drivers might be active
simultaneously
Maximum output per one HS driver, only one can be active
Maximum output per HS driver, only two HS drivers from a different pair can
be active simultaneously
Maximum output per one HS driver pair
Note: The parameters above are not tested in production but are guaranteed by design.The overall current capability limitations need to be respected at all times.
The maximum current specified in Table 8 cannot always be obtained. The practically obtainable maximum drive current heavily
depends on the thermal design of the application PCB (see Section 8.2).
The available power in the package is: (TSD_H - T_ambient) / R
thja
With TSD_H = 130°C and R
thja
according to Table 5.
Min.
Max.
240
Unit
mA
275
mA
350
mA
650
500
mA
mA
830
mA
8.5 Charge Pump
The HS drivers use floating NDMOS transistors as power devices
.
To provide the gate voltages for the NDMOS of the HS drivers, a
charge pump is integrated. The storage capacitor is an external one. The charge pump oscillator has typical frequency of 4MHz.
8
AMI Semiconductor
– Jan. 07, M-20557-002
www.amis.com
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