參數(shù)資料
型號: LTC4355CS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: 0.150 INCH, PLASTIC, SOP-16
文件頁數(shù): 10/16頁
文件大?。?/td> 221K
代理商: LTC4355CS
LTC4355
3
4355f
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.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ΔVGATEx
External N-Channel Gate Drive
(VGATEx – VINx)
VOUT = 20V to 80V
VOUT = 9V to 20V
10
4.5
14
6
18
V
IGATEx(UP)
External N-Channel Gate Pull-Up Current
Gate Drive On, VGATE = VINx,
ΔVSD = 100mV
–14
–20
–26
A
IGATEx(DN)
External N-Channel Gate Pulldown in Fault
Condition
Gate Drive Off, VGATEx = VINx +5V
12
A
tOFF
Gate Turn-Off Time
VINx – VOUT = 55mV
|
–1V
VGATEx – VINx < 1V
0.3
0.4
s
VMONx(TH)
MONx Pin Threshold Voltage
VMONx Rising
1.209
1.227
1.245
V
VMONx(HYST)
MONx Pin Hysteresis Voltage
10
30
45
mV
IMONx(IN)
MONx Pin Input Current
VMONx = 1.23V
0±1
A
VINx(TH)
INx Pin Threshold Voltage
VINx Rising
3
3.5
4
V
VINx(HYST)
INx Pin Hysteresis Voltage
25
75
150
mV
ΔVSD
Source-Drain Regulation Voltage
(VINx – VOUT )
VGATEx – VINx = 2.5V
10
25
55
mV
ΔVSD(FLT)
Short-Circuit Fault Voltage
(VINx – VOUT) Rising
SET = 0V
SET = 100kΩ
SET = Hi-Z
0.2
0.4
1.3
0.25
0.5
1.5
0.3
0.6
1.6
V
ΔVSD(FLT)(HYST) Short-Circuit Fault Hysteresis Voltage
30
mV
VFLT
PWRFLTx, FUSEFLTx, VDSFLT Pins
Output Low
IPWRFLTx, IFUSEFLTx, IVDSFLT = 5mA
100
200
mV
IFLT
PWRFLTx, FUSEFLTx, VDSFLT Pins
Leakage Current
VPWRFLTx, VFUSEFLTx, VVDSFLT = 5V
0±1
A
RSET(L)
SET Resistance Range for ΔVSD(FLT) = 0.25V
05
RSET(M)
SET Resistance Range for ΔVSD(FLT) = 0.5V
50
150
RSET(H)
SET Resistance Range for ΔVSD(FLT) = 1.5V
1MΩ
ELECTRICAL CHARACTERISTICS The denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. 9V < VOUT < 80V, unless otherwise noted.
Note 2: All currents into pins are positive, all voltages are referenced to
GND unless otherwise specied.
Note 3: The GATEx pins are internally limited to a minimum of 13V above
INx. Driving these pins beyond the clamp may damage the part.
相關(guān)PDF資料
PDF描述
LTC4355IDE#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
LTC4355IDE 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
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LTC4355IS#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
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