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PDF FP34063 Data sheet ( Hoja de datos )

Número de pieza FP34063
Descripción Step-Up/Down/Inverting Switching Regulators
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Technology
FP34063
1.5 A, Step-Up/Down/Inverting Switching Regulators
GENERAL DESCRIPTION
The FP34063 is a monolithic control circuit containing the primary functions required for DC−to−DC
converters. These devices consist of an internal temperature compensated reference, comparator,
controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch.
This series was specifically designed to be incorporated in Step-Down and Step-Up and Voltage
Inverting applications with a minimum number of external components.
FEATURES
l Operation from 3.0 V to 30 V Input
l Low Standby Current
l Current Limiting
l Output Switch Current to 1.5 A
l Output Voltage Adjustable
l Frequency Operation to 100 kHz
l Precision 2% Reference
l SOP8 Package
SOP8
APPLICATION
l DC to DC Converter
Rev0.4 Jan 2, 2007
P1/FP34063/34063
Free Datasheet http://www.datasheet-pdf.com/

1 page




FP34063 pdf
Technology
FP34063
DC ELECTRICAL CHARACTERISTICS(Vcc=5V，Ta= -25℃~+85℃, unless otherwise noted)
OSCILLATOR
PARAMETER
Frequency
Charge Current
SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
fosc
VPIN5=0V,CT=1.0nF,
Ta=25℃
24 33 42 KHz
Ichg Vcc=5V~30V, Ta=25℃ 24 35 42 uA
Discharge Current
Idischg
Vcc=5V~30V, Ta=25℃ 140 220 260 uA
Discharge to Charge Current Ratio Idischg/Ichg
Ta=25℃
5.2 6.5 7.5
-
Current Limit Sense Voltage
VIPK(SENSE) Idischg=Ichg,Ta=25℃
250 300 380 mV
OUTPUT SWITCH
Saturation Voltage
(Darlington Connection)
Saturation Voltage
DC Current Gain
VCE(sat)
VCE(sat)
hFE
ISW =1A,
Pins 1,8 connected
ISW=1A,RPIN8=82Ω to
Vcc,Forced β≈20
ISW=1A,VCE=5V,Ta=25℃
-
-
50
1.0
0.45
75
1.3
0.7
-
V
V
-
Collector Off-State Current
COMPARATOR
Threshold Voltage
IC(off)
Vth
VCE=30V
0.1 100 uA
Ta=25℃
Ta= -25℃~+85℃
1.225 1.25 1.275
1.21 - 1.29
V
-
Threshold Voltage Line Regulation
Regline
Vcc=3V~30V
- 2 - mV
Input Bias Current
IIB
VIN-=0V
- -20 -400 nA
TOTAL DEVICE
Supply Current
Vcc=5V~30V,CT=1.0nF,
ICC
Pin7=Vcc,VPIN5>Vth,
-
2 4 mA
Pin2=GND,others open
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient
temperature as possible.
3. If the output switch is driven into hard saturation (non-Darlington configuration) at low switch currents (≦
300 mA) and high driver currents(≧30 mA), it may take up to 2.0 µs for it to come out of saturation. This
condition will shorten the off time at frequencies≧30 kHz,and is magnified at high temperatures. This
condition does not occur with a Darlington configuration, since the output switch cannot saturate. If
anon-Darlington configuration is used, the following output drive condition is recommended:
Forced
of output
switch
:
Icoutput
Icdriver − 7.0mA∗
≥ 10
∗ The 100Ω resistor in the emitter of the driver device requires about 7.0 mA before the output switch
conducts.
Rev0.4 Jan 2, 2007
P5/FP34063/34063
Free Datasheet http://www.datasheet-pdf.com/

5 Page





FP34063 arduino
Technology
PACKAGE OUTLINE
SOP8
FP34063
0.008typ.
0.16typ
D
0.050typ
0.004max
θ°
L
SEATING PLANE
SYMBOLS
A
A1
D
E
H
L
θ°
MIN
0.053
0.004
0.189
0.150
0.228
0.016
0
MAX
0.069
0.010
0.196
0.157
0.244
0.050
8
UNIT:INCH
NOTE:
1. JEDEC OUTLINE:MS-012 AA。
2. DIMENSIONS “D” DOES NOT INCLUDE MOLD FLASH,PROTRUSIONS OR GATE
BURRS.MOLD FLASH,PROTRUSIONS AND GATE BURRS SHALL NOT EXCEED .15mm
(.0.06in) PER SIDE。
3. DIMENSIONS “E” DOES NOT INCLUDE INTER-LEAD FLASH,OR PROTRUSIONS
INTER-LEAD FLASH AND PROTRUSIONS SHALL NOT EXCEED .25mm (.0.10in) PER SIDE。
Rev0.4 Jan 2, 2007
P11/FP34063/34063
Free Datasheet http://www.datasheet-pdf.com/

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