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PDF FP5001 Data sheet ( Hoja de datos )
| Número de pieza | FP5001 | |
| Descripción | PWM CONTROL IC | |
| Fabricantes | Feeling Technology | |
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Technology
FP5001
PWM CONTROL IC
WITH SCP/DTC FUNCTION
GENERAL DESCRIPTION
The FP5001, a 1-chi p co mposed of o pen collector tran sistor o utput pulse-wi dth-modulation
control circuits with an error amplifier and dead-time comparators (DTC), the FP5001 contains
a 1.0V precision voltage reference regulator, under-voltage lockout circuit (UVLO), short
circuit protection circuit (SCP), applied to offer space and low cost in many applications such
as the DC/DC converter and backlight inverter.
Using few external components, FP5001, a high performance integrated IC, is designed for a
control circuit. The circuit diagram of the typical application example is as below.
FEATURES
Reference Voltage Precision: 2%
Output sink current up to 100mA
Low quiescent supply current
Wide operating voltage range: 3.6~40V
Variable dead-time control (DTC)
UVLO protection function
SCP protection function
Oscillator Frequency: Max. 500KHz
Package: PDIP8/ SOP8
TYPICAL APPLICATION CIRCUIT
Rev0.5 Apr. 01, 2004
P1/FP5001
http://www.Datasheet4U.com
1 page  
Technology
FP5001
DC ELECTRICAL CHARACTERISTICS
Electrical characteristics over recommended operating temperature range VCC 6V fosc
70KHz unless otherwise noted
Reference
PARAMETER
Output voltage
Input regulation
Output voltage change with
temperature
SYMBOL
TEST CONDITIONS
VREF
COMP connected to FB
VREF VCC 3.6 V to 40 V
VREF /VREF
TA
TA
-20 to 25
25 to 85
MIN TYP MAX UNIT
0.98 1 1.02 V
2 12.5 mV
-10 -1
-10 -2
15
mV/V
10
†All typical values are at TA 25 .
Under voltage lockout
PARAMETER
Upper threshold voltage
Lower threshold voltage
Hysteresis
Reset threshold voltage
†All typical values are at TA
SYMBOL TEST CONDITIONS
Vupper TA 25
Vlow
TA 25
Vhys
TA 25
Vreset TA 25
25 .
MIN TYP MAX UNIT
3V
2.8 V
100 200
mV
2.1 2.55
V
Short-circuit protection
PARAMETER
SCP threshold voltage
SCP voltage latched
SCP voltage UVLO operation
SCP voltage UVLO standby
Input source current
SCP comparator 1 threshold
voltage
†All typical values are at TA 25
SYMBOL TEST CONDITIONS
VTH TA 25
VLATCH No pullup
VOPR
VSTANDBY No pullup
ISOURCR TA 25
VCOMP(TH)
.
MIN TYP MAX UNIT
0.95 1.00 1.05 V
2.4 V
140 185 230 mV
60 120 mV
-10 -15 -20
A
1.5 V
Oscillator
PARAMETER
Frequency
Standard deviation of frequency
SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
f Rt 100K
70 KHz
f 15 KHz
Frequency change with voltage
f/ V VCC 3.6V to 40V
1 KHz
Frequency change with temperature
f/ T TA -20 to 25
TA 25 to 85
-4 -0.4 4 KHz
-4 -0.2 4 KHz
Voltage at RT
VRT
1V
†All typical values are at TA 25 .
Rev0.5 Apr. 01, 2004
P5/FP5001
5 Page 
Technology
TYPICAL CHARACTERISTICS
FP5001
Rev0.5 Apr. 01, 2004
P11/FP5001
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet FP5001.PDF ] | |
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