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參數(shù)資料
| 型號： | LTC3410ESC6-1.5 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.63 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | PLASTIC, MO-203AB, SC-70, 6 PIN |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 326K |
| 代理商： | LTC3410ESC6-1.5 |
3
LTC3410
3410fb
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VUVLO
Undervoltage Lockout Threshold
VIN Rising
2
2.3
V
VIN Falling
1.94
V
IS
Input DC Bias Current
(Note 4)
Burst Mode
Operation
VFB = 0.83V or VOUT = 104%, ILOAD = 0A
26
35
A
Shutdown
VRUN = 0V
0.1
1
A
fOSC
Oscillator Frequency
VFB = 0.8V or VOUT = 100%
●
1.8
2.25
2.7
MHz
VFB = 0V or VOUT = 0V
310
kHz
RPFET
RDS(ON) of P-Channel FET
ISW = 100mA
0.75
0.9
RNFET
RDS(ON) of N-Channel FET
ISW = –100mA
0.55
0.7
ILSW
SW Leakage
VRUN = 0V, VSW = 0V or 5V, VIN = 5V
±0.01
±1
A
VRUN
RUN Threshold
●
0.3
1
1.5
V
IRUN
RUN Leakage Current
●
±0.01
±1
A
Burst Mode is a registered trademark of Linear Technology Corporation.
The
● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VIN = 3.6V unless otherwise specified.
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 LTC3410E is guaranteed to meet performance specifications
from 0
°C to 85°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: TJ is calculated from the ambient temperature TA and power
dissipation PD according to the following formula:
LTC3410: TJ = TA + (PD)(250°C/W)
Note 4: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency.
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 specified maximum operating junction
temperature may impair device reliability.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Efficiency vs Input Voltage
Efficiency vs Output Current
(From Figure1 Except for the Resistive Divider Resistor Values)
INPUT VOLTAGE (V)
2.5
100
90
80
70
60
50
40
30
45
3410 G02
3
3.5
4.5
5.5
EFFFICIENCY
(%)
IOUT = 10mA
IOUT = 0.1mA
IOUT = 100mA
VOUT = 1.8V
IOUT = 1mA
IOUT = 250mA
OUTPUT CURRENT (mA)
0.1
0
10
20
30
40
EFFICIENCY
(%)
50
60
70
80
90
100
10
100
1
1000
3410 G03
VOUT = 1.8V
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
Efficiency vs Output Current
OUTPUT CURRENT (mA)
0.1
0
10
20
30
40
EFFICIENCY
(%)
50
60
70
80
90
100
10
100
1
1000
3410 G04
VOUT = 1.2V
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
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