7 5 W , D U A L O U T P U T , M I X E D - V O L T A G E D C / D C C O N V E R T E R S
BCP Models
Performance/Functional Specifications
Output (continued)
Magnetic feedback, latching
Typical @ TA = +ꢀ5°C under nominal line voltage, balanced "full-load" conditions, unless noted. ➀
Overvoltage Protection: ➁
5V Output
6.8 volts
4.5Volts
Input
3.3V Output
Input Voltage Range:
Dꢀ4 Models
Dynamic Characteristics
18-36 Volts (ꢀ4V nominal)
Dynamic Load Response:
D48 Models
36-75 Volts (48V nominal)
5V (50-1002 load step to 12 VOUT)
450µsec maximum
Overvoltage Shutdown: ➁
Dꢀ4 Models
3.3V (50-1002 load step to 12 VOUT) 450µsec maximum
37.5-40.5 Volts (39V typical)
78.8-87.0 Volts (83V typical)
Start-Up Time: ➁
D48 Models
VIN to VOUT
30msec maximum
ꢀ0msec maximum
Start-Up Threshold: ➁
Dꢀ4 Models
On/Off to VOUT
15.5-18 Volts (16.5V typical)
33.5-36 Volts (34.4V typical)
Switching Frequency
350kHz ( 35kHz)
D48 Models
Undervoltage Shutdown: ➁
Dꢀ4 Models
Environmental
14-16 Volts (15.3V typical)
MTBF
Bellcore, ground fixed, controlled
1.49M hours (case @ 50°C)
1.7ꢀM hours (case @ 50°C)
D48 Models
30.5-33.5 Volts (31.8V typical)
Dꢀ4 Models
D48 Models
Input Current:
Normal Operating Conditions
Minimum Input Voltage:
Dꢀ4 Models
See Ordering Guide
Operating Temperature (Ambient):
θ Case to Ambient, No Heatsink
Without Derating
6.8°C/Watt
5.0ꢀ Amps maximum
ꢀ.51 Amps maximum
–40 to +45°C (with heat sink)
To +100°C (See Derating Curves)
D48 Models
With Derating
Standby Mode:
Case Temperature:
Maximum Allowable
Off, OV, UV, Thermal Shutdown
17mA typical
+100°C
Input Reflected Ripple Current:
Source Impedance <0.1Ω
ꢀꢀµF Low-ESR Capacitor
For Thermal Shutdown ➁
+100°C minimum, +110°C maximum
Storage Temperature
–40 to +1ꢀ0°C
53mArms, 150mAp-p maximum
Pi (0.47pF - 4.7µH - 3µF)
Physical
Input Filter Type
Dimensions
ꢀ.3" x ꢀ.4" x 0.5ꢀ5" (58.4 x 61 x 13.3mm)
Pin ꢀ
Reverse-Polarity Protection: ➁
Dꢀ4 Models
Case (Baseplate) Connection ➁
Case/Pin Material
1 minute duration, 6A maximum
1 minute duration, 4A maximum
D48 Models
Diallyl phthalate, UL94V-0 rated, aluminum
baseplate; solder-tinned brass pins
On/Off Control: (Pin 3) ➁ ➂ ➄
Dꢀ4 & D48 Models
On = open or ꢀ.0 - +VIN, IIN = 50µA max.
Off = 0-0.6V, IIN = 1mA max.
Weight
4.ꢀ ounces (118 grams)
Primary to Secondary Insulation Level Basic
Dꢀ4N & D48N" Models
On = 0-0.6V, IIN = 1mA max.
Off = open or ꢀ.0 - +VIN, IIN = 50µA max.
➀ Models are specified at "full load" (5V & 3.3V @ 7.5A), with an external ꢀꢀµF, low-ESR,
input capacitor and 10µF tantalum in parallel with 1µF ceramic output capacitors.
➁ See Technical Notes for details.
Sync (Option, Pin 3): ➁ ➂ ➄
Input Threshold (Rising Edge Active) 0.9-1.8 Volts
➂ Devices may be ordered with opposite polarity (pin 3 open = off), or the On/Off Control
function can be replaced with a sync function. See Part Number Suffixes and Technical
Notes for additional information.
Input Voltage Low
0-0.8 Volts
Input Voltage High
ꢀ.9-5.0 Volts
35kΩ minimum
ꢀ.1-ꢀ.8 Volts
ꢀ00-450nsec
Input Resistance
➃ Output noise may be further reduced with the installation of additional external output
capacitors. See Technical Notes.
Output High Voltage (100µA load)
Input/Output Pulse Width
➄ These signals must be referenced to the input return pin (–VIN).
➅ Demonstrated MTBF available on request.
Output
VOUT Accuracy
5V Output
Absolute Maximum Ratings
Input Voltage:
ꢀ2 maximum
ꢀ2 maximum
3.3V Output
Continuous:
Dꢀ4 Models
D48 Models
40.5 Volts
87 Volts
50 Volts
100 Volts
Minimum Loading Per Specification
Ripple/Noise (ꢀ0MHz BW) ➁ ➃
Line/Load Regulation
Efficiency
No load
Transient (100msec): Dꢀ4 Models
D48 Models
See Ordering Guide
See Ordering Guide
See Ordering Guide and Efficiency Curves
102 independent
Input Reverse-Polarity Protection ➁
Input Current must be limited. 1 minute
duration. Fusing recommended.
Dꢀ4 Models
D48 Models
6 Amps
4 Amps
Trim Range ➁
Isolation Voltage:
Input-to-Output
Input-to-Case
Output Overvoltage Protection ➁
3.3V Outputs
5V Outputs
1500Vdc minimum
1000Vdc minimum
1000Vdc minimum
3.8 Volts, latching
6.ꢀ Volts, latching
Output-to-Case
Output Current ➁
Current limited. Devices can withstand
an indefinite output short circuit.
Isolation Capacitance
Isolation resistance
470pF
100MΩ
Storage Temperature
–40 to +1ꢀ0°C
Current Limit Inception: ➁
5V @ 982 VOUT (3.3V no-load)
3.3V @ 982 VOUT (5V no-load)
Lead Temperature (Soldering, 10 sec.) +300°C
16-ꢀ0 Amps
16-ꢀ0 Amps
These are stress ratings. Exposure of devices to any of these conditions may adversely
affect long-term reliability. Proper operation under conditions other than those listed in the
Performance/Functional Specifications Table is not implied, nor recommended.
Short Circuit Current: ➁
Temperature Coefficient
Constant current ꢀ5A, indefinite
0.0ꢀ2 per °C
3
5秒后页面跳转
STM32H743技术深度剖析与应用案例探索
LM321中文资料解析：引脚功能介绍、技术特点、技术特性分析
74HC14芯片资料介绍：性能特性分析、引脚介绍
LM1875芯片手册：功放参数分析、引脚说明、电路设计要点
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
