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参数资料
| 型号： | LTC3104IMSE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 339K |
| 描述： | IC REG DL BCK/LINEAR SYNC 16MSOP |
| 标准包装： | 2,500 |
| 拓扑： | 降压（降压）同步（1），线性（LDO）（1） |
| 功能： | 任何功能 |
| 输出数： | 2 |
| 频率 - 开关： | 1.2MHz |
| 电压/电流 - 输出 1： | 0.6 V ~ 13.8 V，300mA |
| 电压/电流 - 输出 2： | 0.6 V ~ 14.5 V，10mA |
| 带 LED 驱动器： | 无 |
| 带监控器： | 无 |
| 带序列发生器： | 无 |
| 电源电压： | 2.5 V ~ 15 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TFSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 16-MSOP，裸露焊盘 |
| 包装： | 带卷 (TR) |
LTC3104
4
3104f
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 LTC3104 is tested under pulsed load conditions such that
T
J
H T
A
. The LTC3104E is guaranteed to meet specifications from
0癈 to 85癈 junction temperature. Specifications over the 40癈 to
125癈 operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTC3104I is guaranteed over the full 40癈 to 125癈 operating junction
temperature range. The junction temperature (T
J
) is calculated from the
ambient temperature (T
A
) and power dissipation (P
D
) according to the
formula:
T
J
= T
A
+ (P
D
)( ?/DIV>
JA
癈/W)
where ?/DIV>
JA
is the package thermal impedance. Note the maximum ambient
temperature consistent with these specifications is determined by specific
operating conditions in conjunction with board layout, the rated package
thermal resistance and other environmental factors.
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T
A
= 25癈 (Note 2). V
IN
= V
INLDO
= 10V unless otherwise noted.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Dropout Voltage (V
DO
)
I
LDO
= 10mA
150
mV
Output Current
l 10
mA
Output CurrentShort Circuit
V
LDO
= 0V
l
15 20
mA
Quiescent Current, V
INLDO
V
IN
= V
INLDO
= RUNLDO = 10V
0.3
礎
Line Regulation
V
INLDO
= 2.5V to 15V, I
LDO
= 1mA
0.1
%
Load Regulation
I
LDO
= 1mA to 10mA
0.75
%
RUNLDO Threshold
l
0.5 0.8 1.2
V
RUNLDO Input Current
RUNLDO = 1.2V
0.01 0.3
礎
Note 3: This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. The maximum
rated junction temperature will be exceeded when this protection is active.
Continuous operation above the specified absolute maximum operating
junction temperature may impair device reliability or permanently damage
the device.
Note 4: Specification is guaranteed by design.
Note 5: The LTC3104 has a proprietary test mode that allows testing in a
feedback loop which servos V
FB
to the balance point for the error amplifier.
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Output Current
Efficiency vs Input Voltage
(Automatic Burst Mode Operation)
Application No-Load Input Current
vs Supply Voltage (Automatic
Burst Mode Operation)
T
A
= 25癈 unless otherwise noted
OUTPUT CURRENT (A)
65
95
100
60
55
90
75
85
80
70
0.0001
0.01
0.1
1
3104 G01
50
0.001
V
IN
= 4V
V
IN
= 7V
V
IN
= 10V
V
IN
= 15V
V
OUT
= 3.3V
L = 15礖
INPUT VOLTAGE (V)
2
95
8
3104 G02
80
70
4 6
10
65
50
60
55
100
90
85
75
12 14 16
V
OUT
= 2.2V
L = 10礖
I
LOAD
= 300mA
I
LOAD
= 100mA
I
LOAD
= 10mA
I
LOAD
= 1mA
I
LOAD
= 100礎
INPUT VOLTAGE (V)
0
2.0
2.5
3.0
3.5
4.0
2 4 6 8
3104 G03
10 12 14 16 18
FRONT PAGE APPLICATION
LDO ENABLED
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