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P1595L-AB5-R Scheda tecnica(PDF) 3 Page - Unisonic Technologies

Il numero della parte P1595L-AB5-R
Spiegazioni elettronici  200KHZ, 1.5A PWM BUCK DC/DC CONVERTER
PDF  6 Pages
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Produttore elettronici  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

P1595L-AB5-R Scheda tecnica(HTML) 3 Page - Unisonic Technologies

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P1595
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 6
www.unisonic.com.tw
QW-R103-047.C
ABSOLUTE MAXIMUM RATING (unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
+26
V
ON/OFF Pin Input Voltage
VEN
-0.3 ~ VCC
V
Feedback Pin Voltage
VFB
-0.3 ~ 12
V
Operating Supply Voltage
VOP
4.5~24
V
Output Voltage to Ground
VOUT
-0.8
V
Power Dissipation (Note 1)
TA=25°C
PD
690
mW
Operating Temperature
TOPR
-20 ~ +125
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient (Note 1)
θJA
180
°C/W
Junction to Case (Note 1)
θJC
38
°C/W
Note: 1. It’s Measured with the PCB copper area (need connect to VSS pins) of approximately 1.5 in
2(Multi-layer)
ELECTRICAL CHARACTERISTICS (TA=25°C, VCC=12V, ILOAD=0.2A, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Feedback Voltage
VFB
IOUT=0.2A
0.728
0.750
0.773
V
Saturation Voltage
VSAT
IOUT=1.5A, No outside circuit
VFB=0V force driver on
1.2
1.5
V
Quiescent Current
IQ
VFB=1.2V force driver off
4
8
mA
Feedback Bias Current
IFB
IOUT=0.1A
-10
-50
nA
Shutdown Supply Current
ISD
VEN=0V
2
10
μA
Current Limit
I(LIMIT)
Pear current, No outside circuit
VFB=0V force driver on
1.8
A
SW Pin Leakage
Current
SW pin=0V
ISW(LEAK)
No outside circuit
VFB=1.0V force driver off
-50
μA
SW pin=-0.8V
VCC=24V force driver off
-5
mA
Oscillator Frequency
FOSC
140
200
260
KHz
Oscillator Frequency Circuit Protect
of Short
FSCP
(Adjustable) When VFB<0.5V
80
KHz
Max. Duty Cycle (ON)
DC
VFB=1.2V force driver off
0
%
Min. Duty Cycle (OFF)
VFB=0V force driver on
100
%
EN Pin Logic Input Threshold
Voltage
VIH
High (regulator ON)
1.2
2.0
V
VIL
Low (regulator OFF)
0.5
1.2
V
EN pin Logic Input Current
IH
VEN=2.5V (ON)
20
μA
EN pin Input Current
IL
VEN=0.3V (OFF)
-5
μA
Thermal Shutdown Temp
TSD
135
°C



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