FGLS12SR6040A Datasheet, PDF (7/21 Pages) List of Unclassifed Manufacturers – 4.5-14.4Vdc Input, 40A, 0.6-2.0Vdc Output

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FGLS12SR6040*A
4.5-14.4Vdc Input, 40A, 0.6-2.0Vdc Output
Preliminary Data Sheet
Feature Descriptions
Remote On/Off
The FGLS12SR6040*A power modules feature an
On/Off pin for remote On/Off operation. Two On/Off
logic options are available. In the Positive Logic
On/Off option, (device code suffix “P” - see Part
Number System), the module turns ON during a logic
High on the On/Off pin and turns OFF during a logic
Low. With the Negative Logic On/Off option, (device
code suffix “N” - see Part Number System), the
module turns OFF during logic High and ON during
logic Low. The On/Off signal should be always
referenced to ground. For either On/Off logic option,
leaving the On/Off pin disconnected will turn the
module ON when input voltage is present.
For positive logic modules, the circuit configuration for
using the On/Off pin is shown in Fig-3. For negative
logic On/Off modules, the circuit configuration is
shown in Fig-4.
MOD U L E
VIN+
Rpullup
PWM Enable
ON/OFF
I _ON/OFF
+
V_ON/OFF
Q1
GND
_
CR1
470
10K
Internal
Pullup
10K
Fig-3: Circuit configuration for using positive
On/Off logic.
MODULE
VIN+
PWM Enable
Monotonic Start-up and Shut-down
The module has monotonic start-up and shutdown
behavior for any combination of rated input voltage,
output current and operating temperature range.
Startup into Pre-biased Output
The module can start into a prebiased output as long
as the prebias voltage is 0.5V less than the set output
voltage.
Output Voltage Programming
The output voltage of the module is programmable to
any voltage from 0.6dc to 2.0Vdc by connecting a
resistor between the Trim and SIG_GND pins of the
module. Certain restrictions apply on the output
voltage set point depending on the input voltage.
These are shown in the Output Voltage vs. Input
Voltage Set Point Area plot in Fig-5. The Upper Limit
curve shows that for output voltages lower than 0.8V,
the input voltage must be lower than the maximum of
14.4V. The Lower Limit curve shows that for output
voltages higher than 0.6V, the input voltage needs to
be larger than the minimum of 4.5V.
16
14
12
upper
Voltage(V) ¹⁸⁰
Input ⁶
4
2
lower
0
0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
Output Voltage (V)
Fig-5: Output Voltage vs. Input Voltage Set Point
Area plot showing limits where the output
voltage can be set for different input voltages.
Rpullup
ON/OFF
I _ON/OFF
+
V_ON/OFF
Q1
GND
_
22K
22K
Internal
Pullup
470
10K
Q3
10K
Fig-4: Circuit configuration for using negative
On/Off logic.
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Page 7 of 21
Ver 1.5 May. 9, 2013