參數(shù)資料
型號: LT4220IGN#TR
廠商: Linear Technology
文件頁數(shù): 3/16頁
文件大?。?/td> 259K
描述: IC CTLR HOTSWAP DUAL 16-SSOP
標準包裝: 2,500
類型: 熱交換控制器
應(yīng)用: 通用
內(nèi)部開關(guān):
電源電壓: 2.7 V ~ 16.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 帶卷 (TR)
3
LT4220
4220f
SYMBOL   PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
INFB
+
FB
+
 Input Current
FB
+
 = 3V
q
0.09
?
礎(chǔ)
I
INFB

FB

 Input Current
FB

 = 3V
q
0.08
?
礎(chǔ)
V
FB
+
H
FB
+
 PWRGD Threshold Line Regulation
V
CC
= 2.7V, V
EE
= 2.7V to V
CC
 = 16.5V, V
EE
 = 16.5V  q
0.015
0.15
mV/V

VFB

H
FB

 PWRGD Threshold Line Regulation
V
CC
= 2.7V, V
EE
= 2.7V to V
CC
 = 16.5V, V
EE
 = 16.5V  q
0.05
0.5
mV/V
V
SENSE
+    SENSE
+
 Trip Voltage (V
CC
  V
SENSE
+)
V
FB
+ = 0V, GATE
+
  0.5V
q
6
15
22
mV
V
FB
+ = 1V, GATE
+
  0.5V
36
48
60
mV
V
SENSE

SENSE

 Trip Voltage (V
SENSEK
  V
SENSE

)  V
FB

 = 0V, GATE

  0.5V
q
10
15
22
mV
V
FB

 = 1V, GATE

  0.5V
43
52
61
mV
I
GATEUP
+   GATE
+
 Pull-Up Current
Charge Pump On, V
GATE
+ = 7V
q
9
13
17
礎(chǔ)
I
GATEUP
   GATE

 Pull-Up Current
V
GATE
 = 3V
q
6
10
14
礎(chǔ)
I
GATEDN
+   GATE
+
 Pull-Down Current
Any Fault Condition, V
GATE
+ = 1V
q
20
40
60
mA
I
GATEDN
   GATE

 Pull-Down Current
Any Fault Condition, V
GATE
 = V
EE
 + 4V
q
30
70
130
mA
V
GATE
+    External N-Channel GATE
+
 Drive
V
GATE
+  V
CC
, V
CC
 = 2.7V, V
EE
 = 2.7V
q
3.5
4
6
V
V
CC
 = 5V to 16.5V, V
EE
 = 5V to 16.5V
5
6.5
8
V
V
GATE
    External N-Channel GATE

 Drive
V
GATE
  V
EE
, V
CC
 = 2.7V, V
EE
 = 2.7V
q
3.5
5.2
6
V
V
CC
 = 5V to 16.5V, V
EE
 = 5V to 16.5V
7.5
8.5
9
V
V
TIMERH
TIMER High Threshold, Sets FAULT
q    1.22
1.24
1.26
V
V
TIMERL
TIMER Low Threshold, Allows Restart
q
0.4
0.5
0.6
V
I
TIMERUP
TIMER Pull-Up Current
TIMER = 0V
q
40
65
85
礎(chǔ)
I
TIMERDN
TIMER Pull-Down Current
TIMER = 1V
q
2
3.3
4.5
礎(chǔ)
I
TIMER(R)
TIMER Current Ratio
I
TIMERDN
/I
TIMERUP
5
7
%
V
OL
PWRGD Output Low Voltage
I
O
 = 2mA
q
0.3
V
I
O
 = 5mA
0.5
V
I
OH
PWRGD Leakage Current
V
PWRGD
 = 16.5V
q
0.1
2
礎(chǔ)
V
FOL
FAULT Output Low Voltage
I
O
 = 2mA
q
0.3
V
I
O
 = 5mA
0.5
V
I
FPH
FAULT Leakage Current
V
FAULT
 = 16.5V
q
0.06
2
礎(chǔ)
V
TRKTHR
TRACK Input Threshold
q
0.3
0.8
1.1
V
I
TRK
TRACK Input Current
TRACK = 16.5V
q
0.05
2
礎(chǔ)
V
TRKFB
+    TRACK Mode FB
+
 Threshold
I
GATE
+ = 0?/SPAN>A, TRACK = V
CC
(Note 3)
q
40
70
mV
V
TRKFB
    TRACK Mode FB

 Threshold
I
GATE
 = 0?/SPAN>A, TRACK = V
CC
(Note 3)
q
40
80
mV
DC ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
 = 25?/SPAN>C. V
CC
 = 5V, V
EE
 = 5V, unless otherwise noted.
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