参数资料
型号: LTC3525ESC6-3
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.45 A SWITCHING REGULATOR, PDSO6
封装: PLASTIC, SC70, 6 PIN
文件页数: 6/12页
文件大小: 276K
代理商: LTC3525ESC6-3
LTC3525-3/
LTC3525-3.3/LTC3525-5
3
3525fa
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: The LTC3525E 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 3: Specication is guaranteed by design and not 100% tested in
production.
(LTC3525-3.3)
ELECTRICAL CHARACTERISTICS
The denotes the specications which apply over the full operating temperature range, otherwise specications are at TA = 25°C.
VIN = 1.2V, VSHDN = 1.2V, VOUT = 3.3V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Start-Up Voltage
0.85
1
V
Output Voltage
(Note 6)
3.20
3.30
3.40
V
Quiescent Current, VOUT
SHDN = VIN (Note 4)
7
15
A
Quiescent Current, VIN
SHDN = VIN (Note 4)
0.5
3
A
Quiescent Current, VIN - Shutdown
SHDN = 0V, VOUT = 0V
Not Including Switch Leakage
0.1
1
A
NMOS Switch Leakage
VIN = VOUT = VSW = 5V, SHDN = 0V
0.1
1
A
PMOS Switch Leakage
VIN = VSW = 5V, VOUT = 0V, SHDN = 0V
0.1
3
A
NMOS Switch On Resistance
(Note 3)
0.5
Ω
PMOS Switch On Resistance
(Note 3)
0.8
Ω
Peak Current Limit
0.4
0.45
A
SHDN Threshold
0.4
0.6
1
V
SHDN Input Current
VSHDN = VIN or VOUT
0.01
1
A
(LTC3525-5)
The denotes the specications which apply over the full operating temperature range, otherwise specications are at TA = 25°C.
VIN = 2.4V, VSHDN = 2.4V, VOUT = 5V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Start-Up Voltage
0.85
1
V
Output Voltage
(Note 6)
4.85
5.00
5.15
V
Quiescent Current, VOUT
SHDN = VIN (Note 4)
8
18
A
Quiescent Current, VIN
SHDN = VIN (Note 4)
1.5
5
A
Quiescent Current, VIN - Shutdown
SHDN = 0V, VOUT = 0V
Not Including Switch Leakage
0.1
1
A
NMOS Switch Leakage
VIN = VOUT = VSW = 5V, SHDN = 0V
0.1
1
A
PMOS Switch Leakage
VIN = VSW = 5V, VOUT = 0V, SHDN = 0V
0.1
3
A
NMOS Switch On Resistance
(Note 3)
0.4
Ω
PMOS Switch On Resistance
(Note 3)
0.7
Ω
Peak Current Limit
0.4
0.5
A
SHDN Threshold
0.4
0.6
1
V
SHDN Input Current
VSHDN = VIN or VOUT
0.01
1
A
Note 4: Current Measurements are performed when the LTC3525 is not
switching.
Note 5: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specied maximum operating junction
temperature may impair device reliability.
Note 6: Consult LTC Marketing for other output voltage options.
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