参数资料
型号: EM78459
英文描述: Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 14-SOIC
中文描述: 8位微控制器的通用产品
文件页数: 44/57页
文件大小: 854K
代理商: EM78459
EM78458/459
MASK ROM
This specification is subject to change without prior notice.
2002/03/01
49
EM78458
EM78459
/RESET
VDD
100K
Q1
1N4684
10K
33K
VDD
Fig. 25
Circuit 1 for the Residue Voltage Protection
EM78458
EM78459
/RESET
VDD
Q1
VDD
R3
R2
R1
Fig. 26 Circuit 2 for the Residue Voltage Protection
4.14 CODE OPTION
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ENWDTB
CK2
MS
HLF
RCT
CLAMP
Bit 0 (CLAMP): Operating voltage.
0: 2.3~4V
1: 4~5.5V
Bit 1 (RCT): RC type.
0: Internal C, External R
1: External RC
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