參數(shù)資料
型號(hào): LTC4240IGN#TRPBF
廠商: Linear Technology
文件頁數(shù): 2/28頁
文件大小: 493K
描述: IC CTRLR HOTSWAP CPCI I2C 28SSOP
標(biāo)準(zhǔn)包裝: 2,500
類型: 熱交換控制器
應(yīng)用: CompactPCI?
內(nèi)部開關(guān):
電源電壓: 3.3V,5V,±12V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 帶卷 (TR)
LTC4240
2
4240f
Supply Voltages
5V
IN
.................................................................... 0.3V to 12V
12V
IN
................................................................. 0.3V to 14V
V
EEIN
................................................................... 0.3V to 14V
Input Voltages
PRSNT1#, PRSNT2#, SCL, RESETIN,
OFF/ON ..................................................0.3V to 12V
5V
OUT
, 5V
SENSE
, 3V
IN
,
3V
SENSE
, 3V
OUT
............................ 0.3V to (5V
IN
 + 0.3V)
ADDRIN, PRECHARGE .........................0.3V to 5V
IN
Output Voltages
TIMER, FAULT, PWRGD, SDA, RESETOUT,
LED, DRIVE, GATE, 12V
OUT
....................... 0.3V to 14V
V
EEOUT
................................................................ 14V to 0.3V
BE............................................. 0.3V to (5V
IN
 + 0.3V)
Operating Temperature Range
LTC4240C ...............................................0癈 to 70癈
LTC4240I.............................................40癈 to 85癈
Storage Temperature Range ....................65癈 to 150癈
Lead Temperature (Soldering, 10 sec)..................300癈
ORDER PART
NUMBER
T
JMAX
 = 140癈, ?/DIV>
JA
 = 135癈/W
LTC4240CGN
LTC4240IGN
ABSOLUTE   AXI  U   RATI  GS
W
W
U
PACKAGE/ORDER I  FOR  ATIO
U
W
(Notes 1, 2)
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PRSNT1#
PRSNT2#
12V
IN
V
EEIN
TIMER
5V
OUT
FAULT
PWRGD
BE
GND
ADDRIN
SDA
SCL
RESETOUT
OFF/ON
RESETIN
12V
OUT
V
EEOUT
3V
OUT
3V
SENSE
3V
IN
5V
IN
5V
SENSE
GATE
PRECHARGE
DRIVE
DGND
LED
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
DD
V
12VIN
 Supply Current
OFF/ON = 0V
q
3
8
mA
V
LKO
Undervoltage Lockout
12V
IN
q
7.00
8.00
10.80
V
5V
IN
q
4.10
4.3
4.45
V
3V
IN
q
2.35
2.45
2.55
V
V
EEIN
q
9
10.5
V
V
FB
Foldback Current Limit Voltage
V
FB
 = (V
5VIN
  V
5VSENSE
), V
5VOUT
 = 0V, TIMER = 0V
q
15
25
35
mV
V
FB
 = (V
5VIN
  V
5VSENSE
), V
5VOUT
 = 3V, TIMER = 0V
q
55
70
85
mV
V
FB
 = (V
3VIN
  V
3VSENSE
), V
3VOUT
 = 0V, TIMER = 0V
q
15
25
35
mV
V
FB
 = (V
3VIN
  V
3VSENSE
), V
3VOUT
 = 2V, TIMER = 0V
q
55
65
80
mV
V
CB
Circuit Breaker Trip Voltage
V
TV
 = (V
5VIN
  V
5VSENSE
), V
5VOUT
 = 5V, TIMER = Open
q
50
55
60
mV
V
TV
 = (V
5VIN
  V
5VSENSE
), V
5VOUT
 = 0V, TIMER = Open
q
6
11
16
mV
V
TV
 = (V
3VIN
  V
3VSENSE
), V
3VOUT
 = 3.3V, TIMER = Open
q
50
55
60
mV
V
TV
 = (V
3VIN
  V
3VSENSE
), V
3VOUT
 = 0V, TIMER = Open
q
6
11
16
mV
t
OC
Overcurrent Fault Response Time    (V
5VIN
  V
5VSENSE
) = 100mV, TIMER = Open
q
25
35
55
Overcurrent Fault Response Time    (V
3VIN
  V
3VSENSE
) = 100mV, TIMER = Open
q
25
35
55
t
SC
Short-Circuit Response Time
(V
5VIN
  V
5VSENSE
) = 200mV, TIMER = Open
q
25
35
55
(V
3VIN
  V
3VSENSE
) = 200mV, TIMER = Open
q
25
35
55
I
GATE(UP)
GATE Pin Turn-On Current
OFF/ON = 0V, V
GATE
 = 0V, TIMER = 0V
q
20
65
100
礎(chǔ)
I
GATE(DN)
GATE Pin Turn-Off Current
V
GATE
 = 5V, (Note 3)
q
100
200
300
礎(chǔ)
I
GATE(FAULT)
GATE Pin Fault-Off Current
OFF/ON = 0V, V
GATE
 = 2V, TIMER = Open, FAULT = 0V
q
2.5
6
8.5
mA
V
GATE
External Gate Voltage
V
GATE
 = (V
12VIN
  V
GATE
), I
GATE
 = 1礎(chǔ)
q
600
1000
mV
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
 = 25?/SPAN>C. 12V
IN
= 12V, V
EEIN
 = 12V, V
3VIN
 = 3.3V, V
5VIN
 = 5V unless otherwise noted.
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