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参数资料
| 型号： | LTC4558EUD |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20 |
| 封装： | 3 X 3 MM, 0.75 MM HEIGHT, PLASTIC, QFN-20 |
| 文件页数： | 6/12页 |
| 文件大小： | 146K |
| 代理商： | LTC4558EUD |
LTC4558
3
4558fa
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: This specication applies to both Smart Card classes.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CLKA,B
Low Level Output Voltage (VOL)
Sink Current = – 200μA (Note 2)
●
0.2
V
High Level Output Voltage (VOH)
Source Current = 200μA (Note 2)
●
VCCA,B
–0.2
V
Rise/Fall Time
Loaded with 50pF (10% to 90%) (Note 2)
●
16
ns
CLKA,B Frequency
(Note 2)
●
10
MHz
RSTA,B
Low Level Output Voltage (VOL)
Sink Current = – 200μA (Note 2)
●
0.2
V
High Level Output Voltage (VOH)
Source Current = 200μA (Note 2)
●
VCCA,B
–0.2
V
Rise/Fall Time
Loaded with 50pF (10% to 90%) (Note 2)
●
100
ns
I/OA, I/OB
Low Level Output Voltage (VOL)
Sink Current = – 1mA (VDATA = 0V) (Note 2)
●
0.3
V
High Level Output Voltage (VOH)
Source Current = 20μA (VDATA = VDVCC) (Note 2)
●
0.85
VCCA,B
V
Rise/Fall Time
Loaded with 50pF (10% to 90%) (Note 2)
●
500
ns
Short-Circuit Current
VDATA = 0V (Note 2)
●
510
mA
DATA
Low Level Output Voltage (VOL)
Sink Current = – 500μA (VI/OA,B = 0V)
●
0.3
V
High Level Output Voltage (VOH)
Source Current = 20μA (VI/OA,B = VCCA,B)
●
0.8
DVCC
V
Rise/Fall Time
Loaded with 50pF (10% to 90%)
●
125
500
ns
ENABLEA, ENABLEB, RSTIN, CLKIN, CSEL, VSELA, VSELB, CLKRUNA, CLKRUNB
Low Input Threshold (VIL)
●
0.15
DVCC
V
High Input Threshold (VIH)
●
0.85
DVCC
V
Input Current (IIH/IIL)
●
–1
1
μA
ELECTRICAL CHARACTERISTICS The ● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VBATT = 3.3V, DVCC = 1.8V, CA = CB = 1μF, unless otherwise specied.
Note 3: The LTC4558E is guaranteed to meet performance specications
from 0°C to 85°C. Specications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 4: Based on long-term current density limitations.
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