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参数资料
| 型号： | LTC1646IGN#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 407K |
| 描述： | IC CNTRLR HOTSWAP PCIDUAL 16SSOP |
| 标准包装： | 100 |
| 类型： | 热交换控制器 |
| 应用： | CompactPCI? |
| 内部开关： | 无 |
| 电源电压： | 3.3V，5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 管件 |
LTC1646
2
1646fa
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
DD
V
5VIN
Supply Current
OFF/ON = 0V
?/DIV>
1.5
4
mA
V
LKO
Undervoltage Lockout
5V
IN
?/DIV>
2.3
2.50
2.7
V
3V
IN
?/DIV>
2.3
2.55
2.7
V
V
FB
Foldback Current Limit Voltage
V
FB
= (V
5VIN
V
5VSENSE
), V
5VOUT
= 0V, TIMER = 0V
?/DIV>
15
20
30
mV
V
FB
= (V
5VIN
V
5VSENSE
), V
5VOUT
= 4V, TIMER = 0V
?/DIV>
50
55
65
mV
V
FB
= (V
3VIN
V
3VSENSE
), V
3VOUT
= 0V, TIMER = 0V
?/DIV>
15
20
30
mV
V
FB
= (V
3VIN
V
3VSENSE
), V
3VOUT
= 2V, TIMER = 0V
?/DIV>
50
55
65
mV
V
CB
Circuit Breaker Trip Voltage
V
CB
= (V
5VIN
V
5VSENSE
), V
5VOUT
= 5V, TIMER Open
?/DIV>
50
56
65
mV
V
CB
= (V
3VIN
V
3VSENSE
), V
3VOUT
= 3.3V, TIMER Open
?/DIV>
50
56
65
mV
t
OC
Overcurrent Fault Response Time
(V
5VIN
V
5VSENSE
) = 100mV, TIMER Open
?/DIV>
10
21
30
祍
(V
3VIN
V
3VSENSE
) = 100mV, TIMER Open
?/DIV>
10
21
30
祍
t
SS
Short-Circuit Fault Response Time (V
5VIN
V
5VSENSE
) = 200mV, TIMER Open
?/DIV>
0.145
1
祍
(V
3VIN
V
3VSENSE
) = 200mV, TIMER Open
?/DIV>
0.145
1
祍
I
CP
GATE Pin Output Current
OFF/ON = 0V, V
GATE
= 0V, TIMER = 0V
?/DIV>
18
13
8
礎
OFF/ON = 5V, V
GATE
= 5V, TIMER = 0V
80
200
300
礎
OFF/ON = 0V, V
GATE
= 5V, FAULT = 0V, TIMER Open
?/DIV>
4
7
12
mA
V
GATE
External Gate Voltage
OFF/ON = 0V, I
GATE
= 1礎
?/DIV>
12
15
16
V
(GATE to GND)
OFF/ON = 0V, V
5VIN
= 3.3V, I
GATE
= 1礎
?/DIV>
11
13
15
V
V
TH
Power Good Threshold Voltage
3V
OUT
?/DIV>
2.8
2.9
3.0
V
5V
OUT
?/DIV>
4.5
4.65
4.75
V
V
3VONLY
No 5V Input Mode Window Voltage V
3VONLY
= 猇
5VIN
V
3VIN
? V
5VOUT
= V
3VOUT
= 3.3V
?/DIV>
50
120
200
mV
V
IL
Input Low Voltage
OFF/ON, RESETIN, FAULT
?/DIV>
0.8
V
ORDER PART NUMBER
T
JMAX
= 125癈, ?/DIV>
JA
= 135癈/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC1646CGN
LTC1646IGN
ABSOLUTE AXI U RATI GS
W
W
U
PACKAGE/ORDER I FOR ATIO
U
W
(Note 1)
ELECTRICAL CHARACTERISTICS The ?/SPAN> denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25?/SPAN>C. V
5VIN
= 5V and V
3VIN
= 3.3V unless otherwise noted.
Supply Voltages: 5V
IN
, 3V
IN
...............................................10V
Input Voltages: (Pins 15, 16).....................0.3V to 10V
Output Voltages: (Pins 1, 3, 4) ..................0.3V to 10V
Analog Voltages and Currents:
(Pin 9) .................................... 0.3V to (3V
IN
+ 0.3V)
(Pins 2, 5, 7, 11, 13, 14) ........ 0.3V to (5V
IN
+ 0.3V)
(Pin 10) .......................................................... ?0mA
Operating Temperature Range:
LTC1646C ...............................................0癈 to 70癈
LTC1646I.............................................40癈 to 85癈
Storage Temperature Range ..................65癈 to 150癈
Lead Temperature (Soldering, 10 sec)..................300癈
TOP VIEW
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RESETOUT
TIMER
FAULT
PWRGD
5V
OUT
GND
3V
OUT
3V
IN
RESETIN
OFF/ON
DRIVE
PRECHARGE
5V
IN
5V
SENSE
GATE
3V
SENSE
GN PART MARKING
1646
1646I
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
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参数描述 |
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