參數(shù)資料
型號(hào): LTC3560IS6#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 1 MM HEIGHT, LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN
文件頁(yè)數(shù): 10/16頁(yè)
文件大小: 256K
代理商: LTC3560IS6#TRPBF
LTC3560
3
3560fb
ELECTRICAL CHARACTERISTICS
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 LTC3560E 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. The LTC3560I is guaranteed to meet
specied performance specications over the full – 40°C to 125°C
operating temperature range.
Note 3: TJ is calculated from the ambient temperature TA and power
dissipation PD according to the following formula:
LTC3560: TJ = TA + (PD)(250°C/W)
Note 4: The LTC3560 is tested in a proprietary test mode that connects VFB
to the output of the error amplier.
Note 5: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency.
Note 6: Guaranteed by long-term current density limitations.
Note 7: 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.
TYPICAL PERFORMANCE CHARACTERISTICS
(From Figure 1a Except for the Resistive Divider Resistor Values)
Efciency vs Input Voltage
Efciency vs Output Current
INPUT VOLTAGE (V)
2.5
50
EFFICIENCY
(%)
60
70
80
3
3.5
4
4.5
3560 G01
5
90
100
55
65
75
85
95
5.5
IOUT = 100mA
IOUT = 0.1mA
VOUT = 1.8V
IOUT = 1mA
IOUT = 900mA
IOUT = 10mA
OUTPUT CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3560 G02
0
1
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
VOUT = 3.3V
OUTPUT CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3560 G03
0
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
VOUT = 1.8V
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VRUN
RUN Threshold
l
0.3
1
1.5
V
IRUN
RUN Leakage Current
l
±0.01
±1
μA
VSYNC/MODE
SYNC/MODE Threshold
l
0.3
1.0
1.5
V
ISYNC/MODE
SYNC/MODE Leakage Current
l
±0.01
±1
μA
tSOFTSTART
Soft-Start Time
VFB from 10% to 90% Full Scale
0.6
0.9
1.2
ms
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 3.6V unless otherwise specied.
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