參數(shù)資料
型號: LTC4251-2CS6#TRPBF
廠商: Linear Technology
文件頁數(shù): 2/24頁
文件大?。?/td> 266K
描述: IC CTRLR HOTSWAP NEGVOLT SOT23-6
標(biāo)準(zhǔn)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: -43V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-6 細型,TSOT-23-6
供應(yīng)商設(shè)備封裝: SOT-23-6
包裝: 帶卷 (TR)
2
425112fd
LTC4251/LTC4251-1/
LTC4251-2
For more information www.linear.com/4251
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
SENSE 1
V
EE
 2
V
IN
 3
6 GATE
5 UV/OV*
4 TIMER
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC SOT-23
*UV FOR LTC4251-2
 
T
JMAX
 = 125癈, ?/DIV>
JA
 = 256癈/W
ELECTRICAL CHARACTERISTICS
SYMBOL   PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
Z
V
IN
to V
EE
 Zener Voltage
I
IN
 = 2mA
l   11.5
13
14.5
V
r
Z
V
IN
to V
EE
 Zener Dynamic Impedance    I
IN
 = 2mA to 30mA
5
?/DIV>
I
IN
V
IN
 Supply Current
UV/OV = 4V , V
IN
 = (V
Z
  0.3V)
l
0.8
2
mA
V
LKO
V
IN
 Undervoltage Lockout
Coming Out of UVLO (Rising V
IN
)
l
9.2
11.5
V
V
LKH
V
IN
 Undervoltage Lockout Hysteresis
1
V
V
CB
Circuit Breaker Current Limit Voltage
V
CB
 = (V
SENSE
  V
EE
)
l
40
50
60
mV
V
ACL
Analog Current Limit Voltage
V
ACL
 = (V
SENSE
  V
EE
)
l
80
100
120
mV
V
FCL
Fast Current Limit Voltage
V
FCL
 = (V
SENSE
  V
EE
)
l
150
200
300
mV
I
GATE
GATE Pin Output Current
UV/OV = 4V , V
SENSE
 = V
EE
, V
GATE
 = 0V (Sourcing)
UV/OV = 4V , V
SENSE
  V
EE
= 0.15V , V
GATE
 = 3V (Sinking)
UV/OV = 4V , V
SENSE
  V
EE
= 0.3V , V
GATE
 = 1V (Sinking)
l
40
58
17
190
80
礎(chǔ)
mA
mA
V
GATE
External MOSFET Gate Drive
V
GATE
  V
EE
, I
IN
 = 2mA
l
10
12
V
Z
V
 
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
 = 25癈. (Notes 2, 3)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4251CS6#PBF
LTC4251CS6#TRPBF
LTUQ
6-Lead Plastic SOT-23
0癈 to 70癈
LTC4251IS6#PBF
LTC4251IS6#TRPBF
LTUR
6-Lead Plastic SOT-23
40癈 to 85癈
LTC4251-1CS6#PBF
LTC4251-1CS6#TRPBF
LTQU
6-Lead Plastic SOT-23
0癈 to 70癈
LTC4251-1IS6#PBF
LTC4251-1IS6#TRPBF
LTQV
6-Lead Plastic SOT-23
40癈 to 85癈
LTC4251-2CS6#PBF
LTC4251-2CS6#TRPBF
LTK6
6-Lead Plastic SOT-23
0癈 to 70癈
LTC4251-2IS6#PBF
LTC4251-2IS6#TRPBF
LTAAZ
6-Lead Plastic SOT-23
40癈 to 85癈
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
Current into V
IN
 (100祍 Pulse) .............................100mA
Minimum V
IN
 Voltage ............................................ 0.3V
Gate, UV/OV, Timer Voltage........................ 0.3V to 16V
Sense Voltage ............................................ 0.6V to 16V
Current Out of Sense Pin (20祍 Pulse) .............. 200mA
Maximum Junction Temperature .......................... 125癈
Operating Temperature Range
   LTC4251C/LTC4251-1C/LTC4251-2C ........0癈 to 70癈
   LTC4251I/LTC4251-1I/LTC4251-2I ........40癈 to 85癈
Storage Temperature Range ..................65癈 to 150癈
Lead Temperature (Soldering, 10 sec) ...................300癈
(Note 1), All Voltages are Referred to V
EE
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