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LTC4227 PDF预览

LTC4227

更新时间: 2023-12-20 18:46:18
品牌 Logo 应用领域
亚德诺 - ADI 控制器二极管
页数 文件大小 规格书
22页 688K
描述
双通道理想二极管和单通道热插拔控制器

LTC4227 数据手册

 浏览型号LTC4227的Datasheet PDF文件第1页浏览型号LTC4227的Datasheet PDF文件第2页浏览型号LTC4227的Datasheet PDF文件第3页浏览型号LTC4227的Datasheet PDF文件第5页浏览型号LTC4227的Datasheet PDF文件第6页浏览型号LTC4227的Datasheet PDF文件第7页 
LTC4227  
elecTrical characTerisTics The l denotes the specifications which apply over the full operating  
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, unless otherwise noted.  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
Hot Swap Control  
l
l
∆V  
∆V  
∆V  
∆V  
Circuit Breaker Trip Sense Voltage  
SENSE  
47.5  
60  
50  
65  
52.5  
70  
mV  
mV  
SENSE(CB)  
SENSE(ACL)  
HGATE  
+
(V  
– V  
)
SENSE  
Active Current Limit Sense Voltage  
+
(V  
SENSE  
– V  
)
SENSE  
l
l
External N-Channel Gate Drive  
(V – V  
IN < 7V, I = 0, –1µA  
4.8  
10  
7
12  
14  
14  
V
V
)
OUT  
IN = 7V to 18V, I = 0, –1µA  
HGATE  
l
l
l
Gate-Source Voltage for Power Good  
External N-Channel Gate Pull-Up Current Gate Drive On, HGATE = 0V  
3.6  
–7  
4.2  
–10  
300  
4.8  
–13  
500  
V
µA  
µA  
HGATE(PG)  
HGATE(UP)  
HGATE(DN)  
I
I
External N-Channel Gate Pull-Down  
Current  
Gate Drive Off  
OUT = 12V , HGATE = OUT + 5V  
150  
l
l
I
t
t
External N-Channel Gate Fast Pull-Down Fast Turn-Off  
Current OUT = 12V , HGATE = OUT + 5V  
100  
200  
0.5  
300  
1
mA  
µs  
HGATE(FPD)  
PHL(SENSE)  
OFF(HGATE)  
+
Sense Voltage (SENSE – SENSE )  
High to HGATE Low  
∆V = 300mV, C = 10nF  
SENSE  
HGATE  
l
l
l
EN High to HGATE Low  
20  
10  
10  
40  
20  
20  
µs  
µs  
µs  
ON Low to HGATE Low  
+
SENSE Low to HGATE Low  
l
l
t
t
ON High, EN Low to HGATE Turn-On  
LTC4227-1, LTC4227-2  
LTC4227-3, LTC4227-4  
50  
0.8  
100  
1.6  
150  
2.4  
ms  
ms  
D(HGATE)  
P(HGATE)  
Delay  
l
ON to HGATE Propagation Delay  
ON = Step 0.8V to 2V  
10  
20  
µs  
Input/Output Pin  
+
+
+
l
l
l
l
I
I
SENSE Input Current  
SENSE = 12V  
1.2  
50  
2.2  
100  
2.05  
90  
mA  
µA  
V
SENSE  
SENSE  
SENSE Input Current  
SENSE = 12V  
10  
1.75  
10  
+
+
+
V
SENSE Undervoltage Lockout  
SENSE Rising  
1.9  
50  
SENSE (UVL)  
+
+
∆V  
SENSE Undervoltage Lockout  
mV  
SENSE (HYST)  
Hysteresis  
l
l
l
l
l
l
l
l
l
l
V
ON Pin Threshold Voltage  
ON Pin Hysteresis  
ON Rising  
1.21  
40  
1.235  
80  
1.26  
140  
0.65  
1.26  
1.22  
140  
1
V
mV  
V
ON(TH)  
∆V  
ON(HYST)  
ON(RESET)  
D2ON(H,TH)  
D2ON(L,TH)  
V
V
V
ON Pin Fault Reset Threshold Voltage  
D2ON Pin High Threshold  
D2ON Pin Low Threshold  
D2ON Pin Hysteresis  
ON Falling  
0.55  
1.21  
1.07  
40  
0.6  
D2ON Rising  
D2ON Falling  
1.235  
1.145  
90  
V
V
∆V  
mV  
µA  
V
D2ON(HYST)  
I
Input Leakage Current (ON, D2ON)  
EN Pin Threshold Voltage  
EN Pin Hysteresis  
ON = D2ON = 5V  
EN Rising  
0
IN(LEAK)  
V
1.185  
40  
1.235  
110  
–10  
1.284  
200  
–13  
EN(TH)  
∆V  
mV  
µA  
EN(HYST)  
I
EN Pull-Up Current  
EN = 1V  
–7  
EN(UP)  
l
l
V
TMR Pin Threshold Voltage  
TMR Rising  
TMR Falling  
1.198  
0.15  
1.235  
0.2  
1.272  
0.25  
V
V
TMR(TH)  
l
l
l
I
I
I
I
TMR Pull-Up Current  
TMR = 1V, In Fault Mode  
TMR = 2V, No Faults  
–75  
1.4  
1.4  
–100  
–125  
2.6  
µA  
µA  
%
TMR(UP)  
TMR(DN)  
TMR(RATIO)  
OUT  
TMR Pull-Down Current  
2
2
TMR Current Ratio I  
OUT Pin Current  
/I  
2.7  
TMR(DN) TMR(UP)  
l
l
OUT = 11V, IN = 12V, ON = 2V  
OUT = 13V, IN = 12V, ON = 2V  
50  
1.9  
100  
4
µA  
mA  
l
V
Output Low Voltage (FAULT, PWRGD)  
I = 1mA  
0.15  
0.4  
V
OL  
422712fa  
4
For more information www.linear.com/LTC4227  

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