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參數(shù)資料
| 型號： | LTC4412IS6#TRM |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | 1 MM HEIGHT, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 155K |
| 代理商： | LTC4412IS6#TRM |
3
LTC4412
4412fa
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 LTC4412E is guaranteed to meet performance specifications
from 0
°C to 85°C operating temperature range. Specifications over the –
40
°C to 85°C operating temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTC4412IS6 is guaranteed over the – 40
°C to 85°C 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 LTC4412 and operating in
forward regulation.
Note 4: VIN is held at 12V and GATE is forced to 10.5V. SENSE is set at
12V to measure the source current at GATE. SENSE is set at 11.9V to
measure sink current at GATE.
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 VG(OFF).
Note 6: VIN 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 VG(ON).
Note 7: STAT is forced to VIN – 1.5V. SENSE is set at VIN – 0.1V to
measure the off current at STAT. SENSE is set VIN + 0.1V to measure the
sink current at STAT.
Note 8: STAT is forced to 9V and VIN is held at 12V. SENSE is stepped
from 11.8V to 12.2V to measure the STAT turn-on time defined when ISTAT
reaches one half the measured IS(SNK). SENSE is stepped from 12.2V to
11.8V to measure the STAT turn-off time defined when ISTAT reaches one
half the measured IS(SNK) .
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IQCL
Quiescent Supply Current at Low Supply
VIN = 3.6V, VSENSE = 0V, VCTL = 1V
7
13
μA
with CTL Active
IQCH
Quiescent Supply Current at High Supply
VIN = 28V, VSENSE = 0V, VCTL = 1V
12
20
μA
with CTL Active
ILEAK
VIN and SENSE Pin Leakage Currents
VIN = 28V, VSENSE = 0V; VSENSE = 28V, VIN = 0V
–3
0
1
μA
When Other Pin Supplies Power
VIN = 14V, VSENSE = –14V; VSENSE = 14V, VIN = –14V
PowerPath Controller
VFR
PowerPath Switch Forward Regulation
VIN – VSENSE, 2.5V ≤ VIN ≤ 28V
●
10
20
32
mV
Voltage
VRTO
PowerPath Switch Reverse Turn-Off
VSENSE – VIN, 2.5V ≤ VIN ≤ 28V
●
10
20
32
mV
Threshold Voltage
GATE and STAT Outputs
GATE Active Forward Regulation
(Note 4)
IG(SRC)
Source Current
–1
–2.5
–5
μA
IG(SNK)
Sink Current
25
50
85
μA
VG(ON)
GATE Clamp Voltage
Apply IGATE = 1μA, VIN = 12V,
6.3
7
7.7
V
VSENSE = 11.9V, Measure VIN – VGATE
VG(OFF)
GATE Off Voltage
Apply IGATE = – 5μA, VIN = 12V,
0.13
0.25
V
VSENSE = 12.1V, Measure VSENSE – VGATE
tG(ON)
GATE Turn-On Time
VGS < –3V, CGATE = 1nF (Note 5)
110
175
μs
tG(OFF)
GATE Turn-Off Time
VGS > –1.5V, CGATE = 1nF (Note 6)
13
22
μs
IS(OFF)
STAT Off Current
2.5V
≤ VIN ≤ 28V (Note 7)
●
–1
0
1
μA
IS(SNK)
STAT Sink Current
2.5V
≤ VIN ≤ 28V (Note 7)
●
610
17
μA
tS(ON)
STAT Turn-On Time
(Note 8)
4.5
25
μs
tS(OFF)
STAT Turn-Off Time
(Note 8)
40
75
μs
CTL Input
VIL
CTL Input Low Voltage
2.5V
≤ VIN ≤ 28V
●
0.5
0.35
V
VIH
CTL Input High Voltage
2.5V
≤ VIN ≤ 28V
●
0.9
0.635
V
ICTL
CTL Input Pull-Down Current
0.35V
≤ VCTL ≤ 28V
1
3.5
5.5
μA
HCTL
CTL Hysteresis
2.5V
≤ VIN ≤ 28V
135
mV
The
● denotes specifications which apply over the full operating
temperature range, unless otherwise noted specifications are at TA = 25°C, VIN = 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.
ELECTRICAL CHARACTERISTICS
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