參數(shù)資料
型號(hào): HV311
廠商: Supertex, Inc.
英文描述: Hotswap, Controllers with Circuit Breaker
中文描述: 熱插拔控制器與斷路器
文件頁(yè)數(shù): 14/21頁(yè)
文件大?。?/td> 664K
代理商: HV311
14
HV301/HV311
If separate resistor dividers are used for OV and UV, then only
the positive (V
) end of the UV resistor divider should be
connected to the short pin (
Application Circuit 8
).
If a system requires the use of a short connector pin on the
negative supply lead to guarantee that the power pins are fully
Application Information, cont’d.
Application Circuit 9
Application Circuit 8
mated before the hotswap control circuit is enabled and a single
resistor divider string (R1, R2 and R3) is used, then a 6.2V to 10V
zener diode must be connected from the UV pin to the V
EE
pin,
as seen below in
Application Circuit 9
.
VDD
UV
OV
VEE
4
SENSE
5
GATE
6
RAMP
7
-48V
IRF530
R5
R1
475K
R2
16.2K
R3
511K
Q1
Cload
+5V
HV311
8
3
2
COM
1
GND
C1
10nF
12.5m
R4
10K
Long
Pin
Long
Pin
Short
Pin
GND
DC/DC
PWM
CONVERTER
PWRGD / PWRGD
ENABLE / ENABLE
Note: capacitor may be needed to slow PWRGD dv/dt if
oscillations are observed when V
IN
is close to OV.
VDD
UV
OV
VEE
SENSE GATE
RAMP
-48V
R4
12.5m
R1
487k
R2
6.81k
R3
9.76k
Q1
IRF530
Cload
+5V
HV311
8
3
2
5
7
6
4
COM
1
GND
C1
10nF
Long
Pin
Short
Pin
Long
Pin
-48V
6.2V
DC/DC
PWM
CONVERTER
PWRGD / PWRGD
ENABLE / ENABLE
Note: capacitor may be needed to slow PWRGD dv/dt if
oscillations are observed when V
IN
is close to OV.
相關(guān)PDF資料
PDF描述
HV311LG Hotswap, Controllers with Circuit Breaker
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HV312 Sequencing Hotswap Controllers
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