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PDF SD6109 Data sheet ( Hoja de datos )
| Número de pieza | SD6109 | |
| Descripción | VOLTAGE MODE PWM POWER SUPPLY | |
| Fabricantes | Silan Microelectronics Joint-stock | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SD6109 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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VOLTAGE MODE PWM POWER SUPPLY WITH BUILT-IN SUPERVISOR,
PROTECTION AND REGULATION FOR PCs
DESCRIPTION
The SD6109 is a power management IC for computers.
It integrates various monitoring functions and protections, such as
AC fail detection, over power protection, negative voltage protection,
over/under voltage protection and provides power down signal for
PG.
Built-in high precision oscillator provides accurate protection and
delay time for monitoring. And internal regulators TL431 are used for
stable output 3.3V and 5V, with few peripheral components.
Built-in soft-start decreases stress of transformer against saturation.
SD6109 used for pull-push or half-bridge power system with high
efficiency and stability.
DIP-20-300-2.54
FEATURES
* Advanced Bi-CMOS process.
*4KV HBM ESD protection
* Bipolar structure adopted in Shunt regulators TL431, with high
reliability
* Over voltage protection for 3.3V/5V/12V
* Under voltage protection for 3.3V/±5V/±12V
* Over power protection
* Short circuit protection
* AC-input under voltage protection
* PG Circuit
* PSON for remote control
* Delay time for PSON or PG signals
* Two bypass regulators for 3.3V and 5V- voltage stability
* Soft start and maximum 93% duty cycle
APPLICATIONS
* Switching mode power supply for
computers.
ORDERING INFORMATION
Part No.
Package
Marking
SD6109 DIP-20-300-2.54 SD6109
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1 2009.02.23
Page 1 of 11
1 page  
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PIN DESCRIPTIONS
Pin No.
1
2
3
4
5
6
7
Pin Name
PSON
V33
V5
OPP
UVAC
NVP
V12
8 OP2
9 OP1
10 PG
11 FB2
12 VREF2
13 VREF1
14 FB1
15 GND
16 COMP
17 IN
18 SS
19 RI
20 VCC
I/O Description
I Remote switch input for CPU or controller. Control the PWM Output.
I 3.3V over-voltage/under-voltage control sense input.
I 5V over-voltage/under-voltage control sense input.
I Over-power sense input.
I AC fail detection.
I The protection input for negative output.
I 12V over-voltage/under-voltage control sense input.
The totem-pole output drivers of push-pull PWM. The maximum duty
O cycle (OP1 or OP2) is 46%.
O The totem-pole output drivers of push-pull PWM.
PG logic output, 0 or 1 (open-collector). PG=1 means that the power is
O good for operation.
O Output of second converter regulation loop.
I Reference comparison input for second converter regulation loop. 2.5V.
I Reference comparison input for first converter regulation loop. 2.5V.
O Output of first converter regulation loop.
- Ground.
I/O Error amplifier output and the input of the PWM comparator.
The negative input of error amplifier. The positive input of error amplifier
I is connected to 2.5V reference voltage.
The soft-start. It is settable through external capacitor. The current
I/O source output at this pin is 5.7uA and the voltage is clamped at 2.5V.
I Connected to external resistor for the reference setting.
- Supply voltage. It is connected to 5V-standby.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1 2009.02.23
Page 5 of 11
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SD6109.PDF ] | |
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