參數(shù)資料
型號(hào)： TPS2340A
英文描述： Dual Slot PCI and PCIX 1.0 Hot-Plug Power Controller
中文描述： 雙槽PCI與PCIx 1.0熱插拔電源控制器
文件頁數(shù)： 14/20頁
文件大小： 411K
代理商： TPS2340A
TPS2330, TPS2331
SINGLE HOT SWAP POWER CONTROLLER WITH
CIRCUIT BREAKER AND POWER-GOOD REPORTING
SLVS277A – MARCH 2000– REVISED APRIL 2000
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 1. Some Available N-Channel MOSFETs
CURRENT RANGE
(A)
PART NUMBER
DESCRIPTION
MANUFACTURER
IRF7601
N-channel, rDS(on) = 0.035
, 4.6 A, Micro-8
N-channel, rDS(on) = 0.040
, 4.6 A, Micro-8
Dual N-channel, rDS(on) = 0.1
, 2.3 A, SO-8
Dual N-channel, rDS(on) = 0.04
, 5 A, SO-8
N-channel, rDS(on) = 0.022
, 7 A, SO-8
N-channel, rDS(on) = 0.025
, 5 A, SO-8
Dual N-channel, rDS(on) = 0.029
, 5.2 A, SO-8
N-channel, rDS(on) = 0.020
, 8 A, SO-8
N-channel, rDS(on) = 0.019
, 29 A, d-Pak
N-channel, rDS(on) = 0.045
, 14 A, d-Pak
International Rectifier
0 to 2
MTSF3N03HDR2
ON Semiconductor
IRF7101
International Rectifier
MMSF5N02HDR2
ON Semiconductor
IRF7401
International Rectifier
2 to 5
MMSF5N02HDR2
ON Semiconductor
IRF7313
International Rectifier
SI4410
Vishay Dale
5 to 10
IRLR3103
IRLR2703
International Rectifier
International Rectifier
timer
For most applications, a minimum capacitance of 50 pF is recommended to prevent false triggering. This
capacitor should be connected between TIMER and ground. The presence of an overcurrent condition on of
the TPS2330/31 causes a 50-
μ
A current source to begin charging this capacitor. If the overcurrent condition
persists until the capacitor has been charged to approximately 0.5 V, the TPS2330/31 will latch off the transistor
and will pull the FAULT pin low. The timer capacitor can be made as large as desired to provide additional time
delay before registering a fault condition.
output-voltage slew-rate control
When enabled, the TPS2330/TPS2331 controllers supply the gate of an external MOSFET transistor with a
current of approximately 15
μ
A. The slew rate of the MOSFET source voltage is thus limited by the gate-to-drain
capacitance C
gd
of the external MOSFET capacitor to a value approximating:
15
A
Cgd
dvs
dt
If a slower slew rate is desired, an additional capacitance can be connected between the gate of the external
MOSFET and ground.
VREG capacitor
The internal voltage regulator connected to VREG requires an external capacitor to ensure stability. A 0.1-
μ
F
or 0.22-
μ
F ceramic capacitor is recommended.
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