參數(shù)資料
型號(hào): LTC4224IDDB-2#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 3/16頁(yè)
文件大?。?/td> 220K
描述: IC CNTRLR HOT SWAP DUAL 10-DFN
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(kāi)關(guān): 無(wú)
電源電壓: 1 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 10-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 10-DFN-EP(3x2)
包裝: 帶卷 (TR)
LTC4224-1/LTC4224-2
3
422412fa
 ELECTRICAL CHARACTERISTICS
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: All currents into device pins are positive; all currents out of device 
pins are negative. All voltages are referenced to GND unless otherwise
speci ed.
 
The l denotes the speci cations which apply over the full operating
temperature range. T
A
 = 25癈, V
CC1
 = 5V, V
CC2
 = 3.3V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supplies
V
CC
V
CC
 Supply Range
V
CC
 = Max (V
CC1
, V
CC2
)
l
2.7
6
V
I
CC
V
CC
 Supply Current
l
1.4
3
mA
V
CC(UVL)
V
CC
 Undervoltage Lockout
V
CC
 Rising
l
2.2
2.4
2.65
V
V
CCLO
V
CCLO
 Supply Range
V
CCLO
 = Min (V
CC1
, V
CC2
),
V
CC
 e 2.7V
l
1
6
V
I
CCLO
V
CCLO
 Supply Current
l
40
100
V
CCLO(UVL)
V
CCLO
 Undervoltage Lockout
V
CCLO
 Falling
l
0.76
0.8
0.84
V
External Gate Drive
GATE
Gate Drive
(V
GATEn
  V
CC
)
I
GATEn
 = 0糀, 1糀
l
4.5
5.5
7
V
I
GATE(UP)
Gate Pull-Up Current
Gate Drive On, V
GATEn
 = 1V
l
7
10
13
I
GATE(DN)
Gate Pull-Down Current
V
ONn
 = 1V , V
GATEn
 = 10V
l
0.5
1.5
3
mA
I
GATE(FPD)
Gate Fast Pull-Down Current
Fast Turn-Off, V
GATEn
 = 10V
l
50
125
200
mA
Current Limit
SENSE(CB)
Circuit Breaker Trip Sense Voltage
(V
CCn
  SENSEn)
l
22.5
25
27.5
mV
I
SENSE
SENSE Input Current
V
SENSE1
 = 5V , V
SENSE2
 = 3.3V
l
40
100
Inputs and Outputs
V
ON(TH)
ONn Threshold Voltage
V
ONn
 Rising
l
0.76
0.8
0.84
V
ON(HYST)
ONn Hysteresis
l
15
30
50
mV
I
ON(IN)
ONn Pull-Up Current
V
ONn
 = 1V
l
5
10
15
V
OL
Output Low Voltage (FAULT)
I
FAULT
 = 3mA
l
0.2
0.4
V
Delay
t
CB
Circuit Breaker Delay
l
2.5
5
7.5
ms
t
PHL(SENSE)
Sense Voltage, (V
CCn
  SENSEn) High to
GATE Low
SENSE
 = 200mV , C
GATE
 = 10nF
l
0.4
1
t
PLH(GATE)
ONn Low or Input Supply High to GATEn
High Prop Delay
l
5
10
15
ms
t
PLH(UVL)
V
CCn
 Low to GATEn Low Prop Delay
l
8
16
t
D(UV)
UV Turn-On Delay
V
CC
 Out of UV
l
80
160
240
ms
t
D(COOL)
Auto-Retry Cooling Delay
Note 3
l
2
4
6
s
t
BLANK
Start-Up Circuit Breaker Blanking Delay
l
2.5
5
7.5
ms
Note 3: LTC4224-2 only.
Note 4: The greater of V
CC1
 and V
CC2
 is the internal supply voltage (V
CC
).
An internal clamp limits the GATE pin to a minimum 5V above V
CC
. Driving
this pin beyond the clamp may damage the device.
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