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| 型号： | LTC4414IMS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR POWERPATH 8-MSOP |
| 标准包装： | 50 |
| 系列： | PowerPath™ |
| 应用： | 电池备份，工业/汽车，大电流开关 |
| FET 型： | P 沟道 |
| 输出数： | 1 |
| 内部开关： | 无 |
| 延迟时间 - 开启： | 600µs |
| 延迟时间 - 关闭： | 20µs |
| 电源电压： | 3 V ~ 36 V |
| 电流 - 电源： | 33µA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
LTC4414
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range, unless otherwise noted specifications are at T A = 25 ° C, V IN = 12V, CTL and GND = 0V. Current into a pin is positive
and current out of a pin is negative. All voltages are referenced to GND, unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GATE and STAT Outputs
GATE Active Forward Regulation
(Note 4)
I G(SRC)
I G(SNK)
Source Current
Sink Current
–25
190
–7
500
μ A
μ A
V G(ON)
GATE Clamp Voltage
Apply I GATE = 6 μ A, V IN = 12V,
8
9
V
V SENSE = 11.9V, Measure V IN – V GATE
V G(OFF)
GATE Off Voltage
Apply I GATE = –30 μ A, V IN = 12V,
0.35
0.92
V
V SENSE = 12.1V, Measure V SENSE – V GATE
t G(ON)
t G(OFF)
GATE Turn-On Time
GATE Turn-Off Time
V GS < –6V, C GATE = 17nF (Note 5)
V GS > –1.5V, C GATE = 17nF (Note 6)
600
20
μ s
μ s
I S(OFF)
I S(SNK)
STAT Off Current
STAT Sink Current
3V ≤ V IN ≤ 36V (Note 7)
12V ≤ V IN ≤ 36V (Note 7)
●
●
–1
50
0
1
200
μ A
μ A
t S(ON)
t S(OFF)
STAT Turn-On Time
STAT Turn-Off Time
(Note 8)
(Note 8)
8
51
μ s
μ s
CTL Input
V IL
V IH
CTL Input Low Voltage
CTL Input High Voltage
3V ≤ V IN ≤ 36V
3V ≤ V IN ≤ 36V
●
●
0.35
0.9
V
V
I CTL
H CTL
CTL Input Pull-Down Current
CTL Hysteresis
0.35V ≤ V CTL ≤ 36V
3V ≤ V IN ≤ 36V
1
3.5
170
5.9
μ A
mV
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 LTC4414E 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. The LTC4414I is guaranteed and tested
over the –40 ° to 125 ° operating temperature range.
Note 3: This results in the same supply current as would be observed with
an external P-channel MOSFET connected to the LTC4414 and operating in
forward regulation.
Note 5: V IN is held at 12V and SENSE is stepped from 12.2V to 11.8V to
trigger the event. GATE voltage is initially V G(OFF) .
Note 6: V IN is held at 12V and SENSE is stepped from 11.8V to 12.2V to
trigger the event. GATE voltage is initially internally clamped at V G(ON) .
Note 7: STAT is forced to V IN – 1.5V. SENSE is set at V IN – 0.1V to
measure the off current at STAT. SENSE is set V IN + 0.1V to measure the
sink current at STAT.
Note 8: STAT is forced to 9V and V IN is held at 12V. SENSE is stepped
from 11.8V to 12.2V to measure the STAT turn-on time defined when I STAT
reaches one half the measured I S(SNK). SENSE is stepped from 12.2V to
11.8V to measure the STAT turn-off time defined when I STAT reaches one
half the measured I S(SNK) .
Note 4: V IN is held at 12V and GATE is forced to 9V. SENSE is set at 12V
to measure the source current at GATE. SENSE is set at 11.9V to measure
sink current at GATE.
4414fc
3
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