參數(shù)資料
型號: 73S1210F-EB-LITE
廠商: Maxim Integrated Products
文件頁數(shù): 45/126頁
文件大?。?/td> 0K
描述: BOARD EVAL 73S1210F LITE DOC/CBL
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
系列: *
DS_1210F_001
73S1210F Data Sheet
Rev. 1.4
25
1.7.2
Power Supply Management
The detailed power supply management logic block diagram is shown in Figure 5.
V
BUS
V
BAT
V
BUSTH
+
-
Q
SET
CLR
D
Debounce
Circuit
ON_OFF
DC-DC
Converter
/ Pass
Through*
Delay
Circuit
(POR)
EN
VPC
VP
VCC
Regulator
LIN
OFF_REQ
INT3
MPU
INT
PWRDN*
*PWRDN bit in MISCtl0
VDD
VCC
Power
Control
VCC Voltage
Select
VCC Enable
Pass Through
Mode Enable
PT
EN
Q
SET
CLR
S
R
NC
NO
*Pass Through -> VP = VPC
Smart
Card
Power
To optional
external
circuits
20mA max.
VDD
Regulator
VDD to
Internal
Circuits
Figure 5: Detailed Power Management Logic Block Diagram
The 73S1210F contains a power supply and converter circuit that takes power from any one of three
sources; VPC, VBUS, or VBAT.
VPC is specified to range from 2.7 to 6.5 volts. It can typically be supplied by a single cell battery with a
voltage range of 2.7 to approximately 3.1 volts or by a standard supply of 3.3 or 5 volts.
VBUS is typically supplied by an external power supply and ranges in value from 4.4 to 5.5 volts (6.5V maximum).
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