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參數(shù)資料
| 型號(hào)： | PS10NG-G |
| 廠商： | SUPERTEX INC |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| 封裝： | 8.65 X 3.90 MM, 1.75 MM HEIGHT, 1.27 MM PITCH, GREEN, MS-012AB, SOIC-14 |
| 文件頁(yè)數(shù)： | 7/9頁(yè) |
| 文件大?。?/td> | 626K |
| 代理商： | PS10NG-G |
7
PS10
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
Increasing the Under and Over Voltage Hysteresis
If the internal UV hysteresis is insufcient for a particular system application, then it may be increased by using separate
resis-tor dividers for UV and OV and providing a resistor feedback from UV pin to the PWRGD pin.
COM
+3.3V
RTB
16.5kΩ
9.76kΩ
487kΩ
RTD
RTC
-48V
GND
Note:
1. Other power good outputs will have the same configuration as
PWGRGD-A for Active High Enabled Converters.
2. Over voltage shut down set to 63.6V
10nF
V-
V+
DC/DC
Converter
EN
RUVHYS
499kΩ
RUVHYS can be calculated based on higher UV On voltage (say 42V):
RUVHYS = (VUVON - VDIODE - VPWRGDLOW)/((VIN-VUVON)/487kΩ - VUVON/16.5kΩ)
= (1.22-0.65-0.4)/((42-1.22)/487kΩ - 1.22/16.5kΩ)
= 17.35kΩ
TB
OV
UV
VIN
TC
PWRGD-C
PWRGD-D
TD
PWRGD-A
PWRGD-B
PS10
RAMP
VEE
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