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PDF FP5462 Data sheet ( Hoja de datos )

Número de pieza FP5462
Descripción Dual PWM Controller
Fabricantes Feeling Technology 
Logotipo Feeling Technology Logotipo



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FP5462
Dual PWM Controller with SCP/DTC Function
General Description
The FP5462 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
one duty comparator (DTC). Its built-in functions includes under-voltage lockout circuit (UVLO) and
short circuit protection circuit (SCP). With above features, it offers space and low cost solutions in
many applications such as the DC / DC converter.
FP5462, 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: 3.6~40V
Fixed Reference Voltage: 2.5V
Reference Voltage Precision: 1%
Oscillator Frequency: Max. 500KHz
Low Quiescent Supply Current Under 3.5mA
Totem-pole Output Stage
Variable Duty Control (DTC)
UVLO Protection Function
SCP Protection Function (Threshold Voltage: 1.3V)
Package: SOP-16L / SSOP-16L
Applications
DC / DC Converters for Video Cameras and TFT LCD Monitor Etc.
1-ch Boost/1-ch Buck Topology Converter
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. 0.9
1/21

1 page




FP5462 pdf
FP5462
Ordering Information
Part Number
Operating Temperature
FP5462DR-LF
-20°C ~ +85°C
FP5462RR-LF
-20°C ~ +85°C
Package
SOP-16L
SSOP-16L
MOQ
2500EA
2500EA
Description
Tape & Reel
Tape & Reel
Absolute Maximum Ratings
Parameter
Symbol Conditions
Power Supply Voltage
Differential Input Voltage
Output Current
VCC
Vid
Io
Maximum Junction Temperature
Thermal Resistance Junction to
Ambient
TJ
SOP-16L
θJA SSOP-16L
SOP-16L , TA=25
Maximum Power Dissipation
PD SOP-16L , TA=70
SSOP-16L, TA=25
SSOP-16L, TA=70
Storage Temperature Range
Lead Temperature (soldering, 10
sec)
Min.
-65
Typ.
Max.
40
20
150
+150
+150
+220
830
530
570
360
+150
+260
Unit
V
V
mA
°C
°C / W
°C / W
mW
mW
W
W
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. 0.9
5/21

5 Page





FP5462 arduino
OUTPUT TRANSISTOR ON DUTY CYCLE
VS
DEAD - TIME INPUT VOLTAGE
0
10 Vcc = 3.6 V
CT = 330pF
20 RT = 10 KΩ
30
40
50
60
70
80
90
100
0 0.5 1 1.5 2 2.5 3 3.5 4
Dead - Time Input Voltage - V
Figure 13
FP5462
STANDBY CURRENT
VS
SUPPLY VOLTAGE
TA = 25 oC
4.5
4
3.5
3
2.5
2
1.5
1
0
0 10 20 30
Vcc - Supply Voltage - V
Figure 14
40
STANDBY CURRENT
VS
FREE - AIR TEMPERATURE
5
4.5
4
3.5
3
2.5
2
1.5
1
-25
Average Supply Current
Vcc = 6 V CT = 330pF
RT = 10 KΩ
Standby Current
Vcc = 40 V, No Load
Standby Current
Vcc = 3.6 V, No Load
0
25 50
75
TA - Free-Air Temperature - oC
Figure 15
100
GAIN (AMPLIFIER IN UNITY-GAIN
CONFIGURATION)
VS
FREQUENCY
10
Vcc = 5 V
TA = 25 oC
5
0
-5
- 10
- 15
- 20
1K
10K 100K
f - Frequescy - Hz
Figure 16
1M
10M
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. 0.9
11/21

11 Page







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