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P1596 Datasheet(PDF) 4 Page - Unisonic Technologies

Part No. P1596
Description  150KHZ, 1.5A PWM BUCK DC/DC CONVERTER
Download  8 Pages
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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P1596 Datasheet(HTML) 4 Page - Unisonic Technologies

   
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P1596
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 8
www.unisonic.com.tw
QW-R103-027,B
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Maximum Supply Voltage
VCC
24
V
Operating Voltage
VOPR
4.5 ~ 22
V
ON/OFF Pin Input Voltage
VON/OFF
-0.3 ~ +18
V
Feedback Pin Voltage
VFB
-0.3 ~ +18
V
Output Voltage to Ground (Steady State)
VOUT
-1
V
Power Dissipation
PD
Internally limited
W
Temperature Range
TOPR
-40 ~ +125
Storage Temperature Range
TSTG
-65 ~ +150
Note Absolute maximum ratings are those values beyond which the device which the device could be permanently
damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(TJ=25℃, VIN=12V for 2.5V, 3.3V, 5V, ADJ and VIN=18V for the 12V, ILOAD=0.5A, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
2.5V
3.8V≦VIN≦22V, 0.2A≦ILOAD≦1.5A
2.4
2.5
2.6
V
3.3V
4.75V≦VIN≦22V, 0.2A≦ILOAD≦1.5A
3.168
3.3
3.432
V
Output Voltage
5.0V
VOUT
7V≦VIN≦22V, 0.2A≦ILOAD≦1.5A
4.8
5.0
5.2
V
2.5V
VIN=12V, ILOAD=1.5A
73
%
3.3V
VIN=12V, ILOAD=1.5A
73
%
Efficiency
5.0V
η
VIN=12V, ILOAD=1.5A
80
%
UTC P1596-ADJ
Output Feedback
VFB
4.75V≦VIN≦22V, 0.2A≦ILOAD≦1.5A
VOUT Programmed for 3V
1.193
1.23 1.267
V
Efficiency
η
VIN=12V, ILOAD=1.5A
78
%
ALL OUTPUT VOLTAGE
Feedback Bias Current
IBIAS
Adjustable Version Only, VFB=1.3V
-10
-50
nA
Oscillator Frequency
fOSC
127
150
173
KHz
Saturation Voltage
VSAT
IOUT=1.5A, No outside circuit
VFB=0V force driver on
1.25
1.4
V
Max
VFB=0V force driver on
100
Duty Cycle
Min
DC
VFB=12V force driver off
0
%
Current Limit
ILIMIT
Peak Current, No outside circuit
VFB=0V force driver on
2
A
Output=0V, No outside circuit
VFB=12V force driver off
-200
µA
Output Leakage Current
ILEAK
Output=-1V, VIN=12V
-5
mA
Quiescent Current
IQ
VFB=12V force driver off
5
10
mA
Standby Quiescent Current
ISTBY
ON/OFF Pin=5V, VIN=22V
70
150
µA


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