PKQ75系列 50至75W 四份磚DC/DC轉換器 - 單輸出
·50-75W輸出
·效率9
·300KHz開關頻率
·2:1輸入范圍
·敞開式選項
·輸出已調準
·連續短路保護
·工業1/4磚封裝
輸入電壓: 18~36V、36~75Vdc
輸出電壓: 1.8V、2.5V、3.3V、5Vdc
輸出功率: 45、62.5、66、75W
溫度范圍:-40°C至+100°C（基板）
50 TO 75 WATT WIDE INPUT
DC-DC CONVERTERS
SINGLE OUTPUT
Features
50-75W Isolated Output • Regulated Outputs
Efficiency to 9 • Continuous Short Circuit Protection
300KHz Switching Frequency • Five-Sided Metal Case
2:1 Input Range • Industry Standard Quarter-Brick Package
常用型號：
PKQ75-48S18
PKQ75-48S25
PKQ75-48S33
PKQ75-48S05
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range.........................48V....................... 36-75V
Under Voltage Lockout.....................................48Vin Power Up....................................................... 34V
48Vin Power Down............................................... 32.5V
Positive Logic Remote ON/OFF （See Note 3 & 4）
Input Filter......................................................................... Pi Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy.......................................................±1. max.
Transient Response: 75% - Step Load Change
Error Band.......................................................................±5% Vout
Recover Time................................................................<500us
External Trim Adj. Range..............................................................±1
Ripple & Noise, 20MHz BW ..............................................40mV RMS, max.
100mV pk-pk, max.
Temperature Coefficient.......................................................................± 0.03%/°C
Short Circuit Protection..............................................Continuous
Line Regulation1
........................±0.2% max.
Load Regulation2
.....................±0.2% max.
Over Voltage Protection Trip Range, % Vo Nom. ........................................................115-14
Current Limit................................ 11 ~ 14 Nominal Output
GENERAL SPECIFICATIONS:
Efficiency..............................................................See Table
Isolation Voltage.........Input/Output .............................1500 VDC min.
Input/Case ......................................1500 VDC min.
Output/Case ......................................................1500 VDC min.
Isolation Resistance.................................................10
7
ohm min.
Switching Frequency..........................................300KHz, typ.
Operating Case Temperature.................................-40°C to + 100°C
Storage Temperature.................................................-40°C to + 105°C
Thermal Shutdown, Case Temp. ............................................100°C Typ.
Dimensions......................1.45 x 2.28 x 0.50 inches
（36.8 x 57.9 x 12.7 mm）
Case Material...................................Aluminum Baseplate with Plastic Case.
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