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STLED325 データシート(PDF) 39 Page - STMicroelectronics

部品番号 STLED325
部品情報  Standby power management to host
PDF  62 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLED325 データシート(HTML) 39 Page - STMicroelectronics

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STLED325
Electrical ratings
Doc ID 17576 Rev 1
39/62
4.5
ESD performance
Figure 13.
Power down/up mode ac waveforms
Table 20.
ESD performance
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
ESD
MIL STD 883 method 3015
(all pins)
HBM
±2kV
Table 21.
Battery range and battery detect
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VBAT(1)
1.
STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) as the battery supply.
Battery supply voltage
2.5
3
3.5(2)
2.
For rechargeable back-up, VBAT(max) may be considered VCC.
V
IBAT
Battery supply current
TA=25C,
VCC= 0 V, Oscillator
ON, VBAT=3 V
710
uA
Table 22.
Power down/up AC characteristics
Symbol
Parameter (1)(2)
1.
VCC fall time should not exceed 5mV/µs.
2.
Valid for ambient operating temperature: TA=-40 to 85, VCC = 2.5V to 5.5V (except where noted)
Min
Typ
Max
Unit
tpD
SCL and SDA at VIH before power down
0
ns
trec
SCL and SDA at VIH after power-up
10
µs
Table 23.
Power down/up trip points DC characteristics
Symbol
Parameter(1)(2)
Min
Typ
Max
Unit
VSO
Battery back-up switchover voltage
(from VCC to VBAT)
VCC < 3.5V
and
VCC < VBAT
V
VSO
Battery back-up switchover voltage
(from VBAT to VCC)
VCC > VBAT
V



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