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参数资料
| 型号： | SQL48T20033-NDA0G |
| 厂商： | Power-One |
| 文件页数： | 7/14页 |
| 文件大小： | 0K |
| 描述： | CONV DC-DC 3.3V 20A 1/8 BRICK |
| 标准包装： | 100 |
| 系列： | SQL48T20033 |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 36V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 3.3V |
| 电流 - 输出（最大）： | 20A |
| 电源（瓦） - 制造商系列： | 66W |
| 电压 - 隔离： | 2.25kV（2250V） |
| 特点： | 具有远程开/关功能和 UVLO |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP 模块，1/8 砖 |
| 尺寸/尺寸： | 2.30" L x 0.90" W x 0.38" H（58.4mm x 22.8mm x 9.5mm） |
| 包装： | 散装 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 91% |
| 电源（瓦特）- 最大： | 66W |
| 其它名称： | 179-2426 SQL48T20033-NAABG |
SQL48T20033 DC-DC Converter Data Sheet
36-75 VDC Input; 3.3 VDC @ 20A Output
Startup Information (using negative ON/OFF)
Scenario #1: Initial Startup From Bulk Supply
ON/OFF function enabled, converter started via application
of V IN . See Fig. E.
V IN
Time
Comments
t 0
t 1
t 2
t 3
ON/OFF pin is ON; system front-end power is
toggled on, V IN to converter begins to rise.
V IN crosses undervoltage Lockout protection
circuit threshold; converter enabled.
Converter begins to respond to turn-on
command (converter turn-on delay).
Converter V OUT reaches 100% of nominal value.
ON/OFF
STATE
V OUT
OFF
ON
For this example, the total converter startup time (t 3 - t 1 ) is
typically 4 ms.
t 0
t 1 t 2
t 3
t
Scenario #2: Initial Startup Using ON/OFF Pin
With V IN previously powered, converter started via
ON/OFF pin. See Fig. F.
Time
Comments
Fig. E: Startup scenario #1.
t 0
V INPUT at nominal value.
t 1
t 2
t 3
Arbitrary time when ON/OFF pin is enabled
(converter enabled).
End of converter turn-on delay.
Converter V OUT reaches 100% of nominal value.
V IN
For this example, the total converter startup time (t 3 - t 1 ) is
typically 5 ms.
Scenario #3: Turn-off and Restart Using ON/OFF Pin
With V IN previously powered, converter is disabled and
then enabled via ON/OFF pin. See Fig. G.
ON/OFF
STATE OFF
ON
V OUT
Time
t 0
Comments
V IN and V OUT are at nominal values; ON/OFF pin
ON.
t 1
ON/OFF pin arbitrarily disabled; converter
t 0
t 1 t 2
t 3
t
output falls to zero; turn-on inhibit delay period
(200 ms typical) is initiated, and ON/OFF pin
action is internally inhibited.
Fig. F: Startup scenario #2.
t 2
ON/OFF pin is externally re-enabled.
If (t 2 - t 1 ) ≤ 200 ms , external action of
ON/OFF pin is locked out by startup inhibit
timer.
If (t 2 - t 1 ) > 200 ms , ON/OFF pin action is
internally enabled.
V IN
t 3
Turn-on inhibit delay period ends. If ON/OFF pin
is ON, converter begins turn-on; if off, converter
ON/OFF
STATE OFF
200 ms
awaits ON/OFF pin ON signal; see Figure F.
t 4
End of converter turn-on delay.
t 5 Converter V OUT reaches 100% of nominal value.
For the condition, (t 2 - t 1 ) ≤ 200 ms , the total converter
startup time (t 5 - t 1 ) is typically 205 ms. For (t 2 - t 1 ) > 200 ms ,
startup will be typically 5 ms after release of ON/OFF pin.
V OUT
ON
t 0
t 1
t 2
t 3 t 4
t 5
t
Fig. G: Startup scenario #3.
Rev 0.2, 3-Mar-11
www.power-one.com
Page 7 of 14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SQL48T20033-NDABG | 功能描述:DC/DC转换器 3.3V at 20A baseplate RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| SQL48T20033-NDB0G | 制造商:Power-One 功能描述:- Trays |
| SQL48T20033-NDBBG | 制造商:Power-One 功能描述:- Trays |
| SQLEDS-1-4-26 | 制造商:Richco 功能描述:3mm LED square spacer,SQLEDS-1-4-26 |
| SQLEDS1-4-26 | 功能描述:LED SPACER SQUARE T-1 SER 1/4" RoHS:是 类别:光电元件 >> LED - 垫片，支座 系列:SQLEDS 标准包装:1,000 系列:* |
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