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参数资料
| 型号： | LT3724MPFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/26页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST INV PWM 16TSSOP |
| 标准包装： | 95 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 225kHz |
| 占空比： | 100% |
| 电源电压： | 4 V ~ 60 V |
| 降压： | 是 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 是 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -55°C ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
LT3724
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 LT3724 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.
Note 3: The LT3724E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the – 40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT3724I is guaranteed over the full –40°C to 125°C operating junction
temperature range. The LT3724MP is 100% tested and guaranteed over
the –55°C to 125°C operating junction temperature range.
Note 4: V IN voltages below the start-up threshold (7.5V) are only
supported when the V CC is externally driven above 6.5V.
Note 5: Operating range is dictated by MOSFET absolute maximum V GS .
Note 6: Supply current specification does not include switch drive
currents. Actual supply currents will be higher.
Note 7: DC measurement of gate drive output “ON” voltage is typically
8.6V. Internal dynamic bootstrap operation yields typical gate “ON”
voltages of 9.8V during standard switching operation. Standard operation
gate “ON” voltage is not tested but guaranteed by design.
Note 8: The –1V absolute maximum on the SW pin is a transient condition.
It is guaranteed by design and not subject to test.
TYPICAL PERFORMANCE CHARACTERISTICS
1.38
Shutdown Threshold (Rising)
vs Temperature
1.26
Shutdown Threshold (Falling)
vs Temperature
8.2
V CC vs Temperature
1.37
1.36
1.25
1.24
8.1
8.0
I CC = 20mA
7.9
1.35
1.23
7.8
1.34
1.33
1.22
1.21
7.7
7.6
1.32
–50 –25
0
25
50
75
100
125
1.20
–50 –25
0
25
50
75
100
125
7.5
–50 –25
0
25
50
75
100
125
TEMPERATURE ( ° C)
3724 G01
TEMPERATURE ( ° C)
3724 G02
TEMPERATURE ( ° C)
3724 G03
8.2
8.1
V CC vs I CC(LOAD)
T A = 25 ° C
9
8
V CC vs V IN
I CC = 20mA
T A = 25 ° C
70
60
I CC Current Limit vs Temperature
8.0
7.9
7.8
7.7
7.6
7
6
5
4
50
40
30
7.5
0
5
10
15
20
25
30
35
3
4
5
6
7
8
9
10
11
12
20
–50 –25
0
25
50
75
100
125
I CC (LOAD) (mA)
3724 G04
V IN (V)
3724 G05
TEMPERATURE ( ° C)
3724 G06
3724fd
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3724MPFE-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Voltage, Current Mode Switching Regulator Controller |
| LT3726EGN | 制造商:Linear Technology 功能描述: |
| LT373L | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Optoelectronic |
| LT373LF | 制造商:EDSYN 功能描述:LONER Angle Face Soldring Tip High-Temperature Rated for Lead-Free Process W: .0 |
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