MAX781CBX 데이터 시트보기 (PDF) - Maxim Integrated
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MAX781CBX Datasheet PDF : 24 Pages
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PDA/Hand-Held Computer Power Controller
TIMING CHARACTERISTICS (Note 1)
PARAMETER
DIN to SCLK Data Setup Time
DIN to SCLK Data Hold Time
SCLK to DOUT Valid Propagation Delay
SCLK Clock Period
SCLK High Pulse Width
SCLK Low Pulse Width
CE Assertion to DOUT Enable
CE Deassertion to DOUT Disable
CE Assertion to SCLK Rising-Edge
Setup Time
SCLK Rising Edge to CE Deassertion
CE High Pulse Width
SCLK Rising Edge to CE Assertion
CE Deassertion to SCLK Rising Edge
Note 1: Guaranteed by design.
SYMBOL
tDS
tDH
tDO
tCP
tCH
tCL
tDV
tTR
tCSS
tCSH
tCSW
tCS0
tCS1
MIN TYP MAX
125
0
30
200
400
125
125
120
120
200
200
300
200
200
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
__________________________________________Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
NO LOAD SUPPLY CURRENT
10
OPERATE MODE (IDLE = 0)
1
OPERATE MODE (IDLE = 1)
STANDBY MODE
0.1
0.01
(I3OUT=0mA)
LOW-POWER MODE
SYNC=UVLO=AGND,
CHARGE=0
GDSEL_=0
MUX_=0
5ON=1
SHUTDOWN MODE
VPP_=0
0.001
2 4 6 8 10 12 14 16 18
BATT INPUT VOLTAGE (V)
CHARGER OUTPUT CURRENT
1000
100
%
90
80
70
100
10
1
60
50
mA
40
R4 = 0.2Ω
30
SYNC = AGND
BATT = 7V TO 8V 20
VCHG = 12V
10
3 7 15 31 63 127
CHARGER CODE (CHG6–CHG0 VALUE)
_______________________________________________________________________________________ 5
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