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参数资料
| 型号： | LTC4416EMS-1#TR |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封装： | PLASTIC, MSOP-10 |
| 文件页数： | 6/12页 |
| 文件大小： | 209K |
| 代理商： | LTC4416EMS-1#TR |
LTC4416/LTC4416-1
4416fa
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 LTC4416E 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 LTC4416I is guaranteed and tested
over the –40°C to 125°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 LTC4416 and operating in
forward regulation.
Note 4: Only 3 of 9 permutations illustrated. This specification is the same
when power is provided through VS or V2. This specification is only valid
when V1, V2 and VS are within 28V of each other.
Note 5: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is
set at 12V to measure the source current at either G1 or G2.
Note 6: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is
set at 11.96V to measure the sink current at either G1 or G2.
Note 7: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is
set at 11.875V to measure the sink current at either G1 or G2.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
G1, G2 Controller
IG(SRC)
IG(SNK)
IG(FO)
IG(OFF)
GATE Active Forward Regulation
Source Current
Sink Current
Sink Current During Fast-On
Source Current During Fast-Off
(Note 5)
(Note 6)
(Note 7)
(Note 12)
–9
15
500
–2
200
–500
A
VG(ON)
G1 and G2 Clamp Voltage
Apply IG1 = IG2 = 2A, VV1 = VV2 = 12V,
VVS = 11.8V, Measure VV1 – VG1 or VV2 – VG2
●
7.4
8.25
9.1
V
VG(OFF)
G1 and G2 Off Voltage
Apply IG1 = IG2 = –30A, VV1 = VV2 = 12V,
VVS = 12.2V, Measure VV1 – VG1 or VV2 – VG2
●
0.350
0.920
V
tG(ON)
G1 and G2 Turn-On Time
VGS < –6V, CG = 17nF (Note 8)
●
60
s
tG(OFF)
G1 and G2 Turn-Off Time
VGS > –1.5V, CG = 17nF (Note 9)
●
30
s
tE(OFF)
Enable Comparator Turn-Off Delay
(Note 14) LTC4416-1 Only
●
6
s
H1 and H2 Open-Drain Drivers
IH(OFF)
H1 and H2 Off Current
3.6V ≤ VV1, VV2 ≤ 36V (Note 10)
●
–1
1
A
VH(ON)
H1 and H2 On Voltage
3.6V ≤ VV1, VV2 ≤ 36V (Note 10)
●
100
mV
tH(ON)
H1 and H2 Turn-On Time
(Note 11)
5
s
tH(OFF)
H1 and H2 Turn-Off Time
(Note 11)
10
s
E1 and E2 Enable Input Comparators
VREF
E1 and E2 Input Threshold Voltage
3.6V ≤ VV1, VV2 ≤ 36V, –40°C to 85°C
4V ≤ VV1, VV2 ≤ 36V, –40°C to 125°C
1.180
1.215
1.240
V
IE
E1 and E2 Input Leakage Current
0V ≤ VE1, VE2 ≤ 1.5V
●
–100
100
nA
IG(ENOFF)
Source Current When Other Channel
Enabled (Note 13)
LTC4416
LTC4416-1
–9
–500
–3
A
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V1 = V2 = 12V, E1 = 2V, E2 = GND, 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
Note 8: V1 and V2 are held at 12V and VS is stepped from 12.2V to 11.8V
to trigger the event. G1 and G2 voltages are initially VG(OFF).
Note 9: V1 and V2 are held at 12V and VS is stepped from 11.8V to 12.2V
to trigger the event. G1 and G2 voltages are initially VG(ON).
Note 10: H1 and H2 are forced to 2V. E1 and E2 are forced to 1.5V to
measure the off current of H1 and H2. H1 and H2 are forced with 1mA to
measure the on voltage of H1 and H2.
Note 11: H1 and H2 are forced to 2V. E1 and E2 are stepped from 1.3V
to 1.1V to measure tS(ON). E1 and E2 are stepped from 1.1V to 1.3V to
measure tS(OFF).
Note 12: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS is
set to 12.05V to measure the source current at either G1 or G2.
Note 13: V1 and V2 are held at 12V and G1 and G2 are forced to 9V. VS
is set to 12V to measure the source current at either G1 or G2 when the
channel is deselected.
Note 14: V1 and V2 are held at 12V, VS = 11.96V and G1 and G2 have a 4k
resistor each to 9V. Measure the delay after the channel is disabled until
the gate signal begins to pull high.
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