VHB75W-Q24-S5中文资料

Features

·37.5W-75W isolated output

·Efficiency to 85%

·300KHz switching frequency

·4:1 input range

·Regulated outputs

·Continuous short circuit protection

·Industry standard half-brick pack-

age

·Five-sided metal case

Model Input Output Output I nput Current

Number Voltage Voltage Current No Load Full Load Efficiency VHB75W-Q24-S3R39-36 VDC 3.3 VDC15 A50 mA2611 mA79% VHB75W-Q24-S59-36 VDC 5 VDC15 A50 mA3811 mA82% VHB75W-Q24-S129-36 VDC12 VDC 6.25 A50 mA3765 mA83% VHB75W-Q24-S159-36 VDC15 VDC 5 A50 mA3720 mA84% VHB75W-Q24-S249-36 VDC24 VDC 3.12 A50 mA3720 mA84% VHB75W-Q48-S3R318-75 VDC 3.3 VDC15 A50 mA1320 mA78% VHB75W-Q48-S518-75 VDC 5 VDC15 A50 mA1905 mA82% VHB75W-Q48-S1218-75 VDC12 VDC 6.25 A50 mA1860 mA84% VHB75W-Q48-S1518-75 VDC15 VDC 5 A50 mA1860 mA84% VHB75W-Q48-S2418-75 VDC24 VDC 3.12 A50 mA1860 mA84%

Input

Input Voltage Range24V:9-36V

48V: 18-75V

Under Voltage Lockout24V:power up 8.8V

power down 8V

48Vin: power up 17V

power down 16V

ON/OFF Control see notes 3&4

Input Filter PI Type

Output

Voltage Accuracy±1% max.

Transient Response: 25% Step Load Change<500μ sec.

External Trim Adj. Range±10%

Ripple & Noise 3.3V, 5V40mV RMS., max

20MHz BW 100mV pk-pk., max 12V & 15V60mV RMS., max

150mV pk-pk., max

24V100mV RMS., max

240mV pk-pk, max.

Temperature Coefficient±0.03%/°C

Short Circuit Protection Continuous

Safety approved to UL60950-1 (E222736) Line Regulation1±0.2% max

Load Regulation2±0.2% max

Over Voltage Protection trip Range, % Vo nom.115-140%

Current Limit110%-160% Nominal Output General Specifications

Efficiency see table

Isolation Voltage Input/Output1500VDC min.

Input/Case1500VDC min.

Output/Case1500VDC min.

Isolation Resistance107Ohm min.

Switching Frequency300KHz, Typ

Operating Case Temperature-40°C to +100°C

Storage Temperature-55°C to +105°C

Thermal Shutdown, Case Temp.100°C Typ.

Dimensions 2.28x2.40x0.50 inches

(57.9x61.0x12.7mm)

Case Material aluminum

Where:

The power dissapation (Pd) is

Pd= Pi - Po = Po (1-η)/ ηThe thermal resistances are listed below.

The temperature rise (D T):

D T= Pd * Rca

Output Noise