### 物料型号
- PART NUMBER: VSCQ30-T series
### 器件简介
- DESCRIPTION: screw terminal DC/DC converter(螺钉端子直流/直流转换器)
### 引脚分配
| pin | function |
| --- | --- |
| 1 | on/off control |
| 3 | -Vin |
| 4 | +Vin |
| 5 | Trim |
| 6 | -Vout |
| 7 | +Vout |
| 8 | no pin |
### 参数特性
- 20-30W isolated output(20-30W隔离输出)
- high efficiency to 91%(高效率至91%)
- fixed 300KHz switching frequency(固定300kHz开关频率)
- 4:1 wide input range(4:1宽输入范围)
- regulated outputs(调节输出)
- continuous short circuit protection(连续短路保护)
- six-sided metal case(六面金属外壳)
- 3”x2.25” size(3”x2.25”尺寸)
- industry standard pin-out(行业标准引脚排列)
### 功能详解
- voltage accuracy(电压精度): ±1.5%max.
- transient response(瞬态响应): 75%-100% step load change
- error band(误差带): ±5% Vout nominal
- recovery time(恢复时间): <300 sec.
- external adjustment range(外部调整范围): ±10%Vo
- ripple & noise(纹波和噪声): 20mV RMS., max 75mV pk-pk, max.(3.3V & 5V); 20 mV RMS, max. 100mV p-p, max(12V & 15V)
- temperature coefficient(温度系数): ±0.02%/°C
- short circuit protection(短路保护): continuous (hiccup mode)
- line regulation(线路调节): ±0.5% max
- load regulation(负载调节): ±0.5% max
- over voltage protection(过压保护): 3.9V(3.3V输出),6.2V(5V输出),15V(12V输出),18V(15V输出)
### 应用信息
- efficiency(效率): 见表格
- isolation voltage(隔离电压): 1500VDC min.
- isolation resistance(隔离电阻): 108 ohms min
- switching frequency(开关频率): 300KHz, typ. / 250KHz, typ.
- operating temperature range(工作温度范围): -40°C to +85°C
- derating, above 60°C(60°C以上降额): linearly to zero power at+100°C
- case temperature(外壳温度): 100°C max.
- cooling(冷却): natural convection
- storage temperature(存储温度): achip -55°C to +125°C
- thermal shutdown, case temp.(热关断,外壳温度): 110°C, typ.
### 封装信息
- dimensions(尺寸): 3.0x2.25x0.67 inches
- case material(外壳材料): black coated copper with non-conductive base