参数资料
型号: LTC4215CUFD-2#PBF
厂商: Linear Technology
文件页数: 3/28页
文件大小: 265K
描述: IC CTRLR HOT SWAP 24-QFN
标准包装: 73
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 2.9 V ~ 15 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-QFN(5x4)
包装: 管件
产品目录页面: 1342 (CN2011-ZH PDF)
LTC4215/LTC4215-2
3
4215fe
 ELECTRICAL CHARACTERISTICS
 
The l denotes the speci cations which apply over the full operating
temperature range, otherwise speci cations are at T
A
 = 25癈. V
DD
 = 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supplies
V
DD
Input Supply Range
l
2.9
15
V
V
OV(VDD)
Input Supply Overvoltage Threshold
l
15
15.6
16.5
V
I
DD
Input Supply Current
l
3
5
mA
V
DD(UVL)
Input Supply Undervoltage Lockout
V
DD
 Rising
l
2.75
2.84
2.89
V
V
DD(HYST)
Input Supply Undervoltage Lockout Hysteresis
l
75
100
125
mV
INTV
CC
Internal Regulator Voltage
V
DD
 e 3.3V
l
2.9
3.1
3.4
V
INTV
CC(UVL)
INTV
CC
 Undervoltage Lockout
INTV
CC
 Rising
l
2.55
2.64
2.79
V
INTV
CC(HYST)
INTV
CC
 Undervoltage Lockout Hysteresis
l
20
55
75
mV
Current Limit and Circuit Breaker
SENSE(TH)
Circuit Breaker Threshold (V
DD
  V
SENSE
)
l
22.5
25
27.5
mV
SENSE
Current Limit Voltage (V
DD
  V
SENSE
)
V
FB
 = 1.3V
V
FB
 = 0V
Start-Up Timer Expired
l
l
l
22
6.5
65
25
10
75
29
13
90
mV
mV
mV
t
D(OC)
OC Fault Filter
SENSE
 = 50mV , LTC4215
SENSE
 = 50mV , LTC4215-2
l
l
15
300
20
420
30
600
I
SENSE(IN)
SENSE +/ Input Current
V
SENSE
 = 12V
l
10
20
35
Gate Drive
GATE
External N-Channel Gate Drive (V
GATE
  V
SOURCE
)
(Note 3)
V
DD
 = 2.9V to 15V
l
4.7
5.9
6.5
V
I
GATE(UP)
External N-Channel Gate Pull-Up Current
Gate On, V
GATE
 = 0V
l
15
20
30
I
GATE(DN)SLOW
External N-Channel Gate Pulldown Current
Gate Off, V
GATE
 = 15V
l
0.8
1
1.6
mA
I
GATE(DN)FAST
Pulldown Current From GATE to SOURCE
During OC/UVLO
V
DD
  SENSE = 100mV , V
GS
 = 4V
l
300
450
700
mA
t
PHL(SENSE)
(V
DD
  SENSE) High to GATE Low
V
DD
  SENSE = 100mV , C
GS
 = 10nF
l
0.5
1
V
GS(POWERBAD)
Gate-Source Voltage for Power Bad Fault
V
SOURCE
 = 2.9V  15V
l
3.8
4.3
4.7
V
ORDER INFORMATION
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4215CGN
LTC4215CGN#TR
4215
16-Lead Plastic TSSOP
0癈 to 70癈
LTC4215IGN
LTC4215IGN#TR
4215I
16-Lead Plastic TSSOP
40癈 to 85癈
LTC4215CUFD
LTC4215CUFD#TR
4215
24-Lead (4mm ?5mm) Plastic QFN
0癈 to 70癈
LTC4215IUFD
LTC4215IUFD#TR
4215
24-Lead (4mm ?5mm) Plastic QFN
40癈 to 85癈
LTC4215CUFD-2
LTC4215CUFD-2#TR
42152
24-Lead (4mm ?5mm) Plastic QFN
0癈 to 70癈
LTC4215IUFD-2
LTC4215IUFD-2#TR
42152
24-Lead (4mm ?5mm) Plastic QFN
40癈 to 85癈
Consult LTC Marketing for parts speci ed with wider operating temperature ranges. *The temperature grade is identi ed by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci cations, go to: http://www.linear.com/tapeandreel/
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