參數(shù)資料
型號(hào)： SLIN-03E1AL
廠商： BEL FUSE INC
元件分類(lèi)： 電源模塊
英文描述： 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, PACKAGE-10
文件頁(yè)數(shù)： 10/26頁(yè)
文件大?。?/td> 456K
代理商： SLIN-03E1AL
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
18
NON-ISOLATED DC/DC CONVERTERS
4.5 Vdc - 14 Vdc Input, 0.59 Vdc - 5.5 Vdc /3 A Outputs
October 8, 2009
Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.
Output Voltage Sequencing (continued)
After applying input voltage to the module, a minimum 10msec delay is required before applying voltage on the
SEQ pin. During this time, a voltage of 50mV (± 20 mV) is maintained on the SEQ pin. This delay gives the
module enough time to complete its internal power-up soft-start cycle. During the delay time, the SEQ pin
should be held close to ground (nominally 50mV ± 20 mV). This is required to keep the internal op-amp out of
saturation thus preventing output overshoot during the start of the sequencing ramp. By selecting resistor R1
according to the following equation:
05
.
0
24950
1
=
IN
V
R
The voltage at the sequencing pin will be 50mV when the sequencing signal is at zero.
R1
GND
VIN+
SEQ
+
-
OUT
10K
499K
MODULE
Circuit showing connection of the sequencing signal to the SEQ pin
After the 10msec delay, an analog voltage is applied to the SEQ pin and the output voltage of the module will
track this voltage on a one-to-one volt bases until the output reaches the set-point voltage.
To initiate
simultaneous shutdown of the modules, the SEQ pin voltage is lowered in a controlled manner. The output
voltage of the modules tracks the voltages below their set-point voltages on a one-to-one basis. A valid input
voltage must be maintained until the tracking and output voltages reach ground potential.
When using the sequencing feature to control start-up of the module, pre-bias immunity during start-up is
disabled. The pre-bias immunity feature of the module relies on the module being in the diode-mode during
start-up. When using the sequencing feature, modules goes through an internal set-up time of 10msec, and will
be in synchronous rectification mode when the voltage at the SEQ pin is applied. This will result in the module
sinking current if a pre-bias voltage is present at the output of the module. When pre-bias immunity during start-
up is required, the sequencing feature must be disabled.
For additional guidelines on using the sequencing
feature please contact the Bel Power technical representative for additional information.
ohms
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參數(shù)描述
SLIN-03E1ALG 制造商:Bel Fuse 功能描述:DC/DC CONVERTR NON-ISO 0.59-5.5V
SLIN-03E1AX 制造商:BEL 制造商全稱:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS 4.5 Vdc - 14 Vdc Input, 0.59 Vdc - 5.5 Vdc /3 A Outputs
SLIN-03E2A 制造商:BEL 制造商全稱:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS
SLIN-03E2A_10 制造商:BEL 制造商全稱:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS
SLIN-03E2A0 功能描述:DC/DC CONVERTR NON-ISO 0.6-3.63V RoHS:是 類(lèi)別:電源 - 板載 >> DC DC Converters 系列:* 設(shè)計(jì)資源:VI-200, VI-J00 Design Guide, Appl Manual 標(biāo)準(zhǔn)包裝:1 系列:* 類(lèi)型:隔離 輸出數(shù):1 電壓 - 輸入（最?。?21V 電壓 - 輸入（最大）:32V Voltage - Output 1:24V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:* 電源（瓦） - 制造商系列:50W 電壓 - 隔離:* 特點(diǎn):* 安裝類(lèi)型:通孔 封裝/外殼:9-FinMod 尺寸/尺寸:4.60" L x 1.86" W x 1.05" H（116.8mm x 47.2mm x 26.7mm） 包裝:散裝 工作溫度:-25°C ~ 85°C 效率:* 電源（瓦特）- 最大:*
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