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PDF FP5453 Data sheet ( Hoja de datos )
| Número de pieza | FP5453 | |
| Descripción | Dual PWM Controller | |
| Fabricantes | Feeling Technology | |
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Hay una vista previa y un enlace de descarga de FP5453 (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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FP5453
Dual PWM Controller with Short Circuit Restart Function
General Description
The FP5453 is a single chip composed of a 2.5V precision voltage reference regulator,
totem-pole output stages, two pulse width modulation control circuits each with one error amplifier and
duty comparator (DTC). Its built-in functions includes under-voltage lockout circuit (UVLO) and
programmable auto-restart timer for short circuit protection (SCSAR). With above features, it offers
space and low cost solutions in many applications such as the DC / DC converter.
FP5453, a high performance IC, is designed to complete a control circuit with few external
components. The circuit diagram of the typical application example is shown in below.
Features
Wide Operating Voltage Range: 3.6~25V
Feedback Reference Voltage: 2.5V
Oscillator Frequency: Max. 1.2MHz
Reference Voltage Precision: 2%
Low Quiescent Supply Current Under 4mA
Totem-pole Output Stage
Variable Duty Control (DTC)
Short Circuit Shutdown / Auto Re-start Function (SCSAR)
UVLO Protection Function
Package: SOP-16L / SOP-16L (EP) / SSOP-16L
Applications
HUB / Router
Set Top Box
HDD Server
CATV
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Website: http://www.feeling-tech.com.tw
Rev. 1.0
1/22
1 page  
FP5453
Ordering Information
Part Number
Operating Temperature
FP5453DR-LF
-20°C ~ +85°C
FP5453XR-LF
-20°C ~ +85°C
FP5453RR-LF
-20°C ~ +85°C
Package
SOP-16L
SOP-16L (EP)
SSOP-16L
MOQ
2500EA
2500EA
2500EA
Description
Tape & Reel
Tape & Reel
Tape & Reel
Absolute Maximum Ratings
Parameter
Symbol Conditions
Power Supply Voltage
Differential Input Voltage
Output Current
VCC
Vid
Io
Maximum Junction Temperature
TJ
Thermal Resistance Junction to
Ambient
SOP-16L
θJA SOP-16L (EP)
SSOP-16L
Thermal Resistance Junction to
Case
SOP-16L
θJC SOP-16L (EP)
SSOP-16L
Maximum Power Dissipation
SOP-16L , TA=25℃
PD SOP-16L (EP)
SSOP-16L, TA=25℃
Storage Temperature Range
Lead Temperature (soldering, 10
sec)
Min.
3.6
-65
Typ.
Max.
26
3
150
+150
+90
+50
+110
+45
+7
+55
830
1.4
570
+150
+260
Unit
V
V
mA
°C
°C / W
°C / W
°C / W
°C / W
°C / W
°C / W
mW
W
mW
℃
℃
Suggested IR Re-flow Soldering Curve
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Website: http://www.feeling-tech.com.tw
Rev. 1.0
5/22
5 Page 
Function Description
FP5453
Voltage Reference
FP5453 includes an internal 2.5V reference regulator to provide its internal circuits’ voltage bias.
It also can be used with external resistive divider which connecting to the IC error amplifier inverting
input to provide output feedback reference (see Fig 14).
Figure 14 Reference and Error Amplifiers with Resistive Dividers
The error amplifier inverting input (EA1- or EA2-) reference voltage equations are shown as
followings:
VEA1
VREF (2.5V)
R2
R1 R2
VEA 2
VREF (2.5V)
R4
R3 R4
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Website: http://www.feeling-tech.com.tw
Rev. 1.0
11/22
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet FP5453.PDF ] | |
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