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P1696 Datasheet(PDF) 3 Page - Unisonic Technologies

Part No. P1696
Description  150KHZ, 2A PWM STEP-DOWN DC/DC CONVERTER
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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P1696 Datasheet(HTML) 3 Page - Unisonic Technologies

   
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P1696
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 7
www.unisonic.com.tw
QW-R103-035,B
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Maximum Supply Voltage
VCC
40
V
Operating Voltage
VOPR
3.8 ~ 30
V
ON/OFF Pin Input Voltage
VON/OFF
-0.3 ~ +25
V
Feedback Pin Voltage
VFB
-0.3 ~ +25
V
Output Voltage to Ground (Steady State)
VOUT
-1
V
Power Dissipation
PD
Internally limited
mW
Junction Temperature
TJ
+150
Operating Temperature
TOPR
-40 ~ +125
Storage Temperature
TSTG
-40 ~ +150
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.
ELECTRICAL CHARACTERISTICS
(TJ=25 ,
VIN=12V for the 2.5V 3.3V, 5V, and Adjustable version and VIN=24V for the 12V version, ILOAD=500mA.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
2.5V
3.8V≦VIN 3
0V, 0.2A≦ILOAD≦2A
2.4
2.5
2.6
V
3.3V
4.75V≦VIN 3
0V, 0.2A≦ILOAD≦2A
3.168
3.3
3.432
V
5.0V
7V≦VIN 3
0V, 0.2A≦ILOAD≦2A
4.8
5.0
5.2
V
Output Voltage
12V
VOUT
15V≦VIN 3
0V, 0.2A≦ILOAD≦2A
11.52
12.0
12.48
V
2.5V
VIN=12V, ILOAD=2A
73
%
3.3V
VIN=12V, ILOAD=2A
75
%
5.0V
VIN=12V, ILOAD=2A
80
%
Efficiency
12V
η
VIN=25V, ILOAD=2A
80
%
UTC P1696-ADJ
Feedback Voltage
VFB
4.5V≦VIN 3
0V, 0.2A≦ILOAD≦2A
VOUT programmed for 3V
1.19
1.230
1.267
V
Efficiency
η
VIN=12V, VOUT=3V, ILOAD=2A
75
%
ALL OUTPUT VOLTAGE
Feedback Bias Current
IBIAS
Adjustable Version Only, VFB=1.3V
10
50
nA
Oscillator Frequency
fOSC
(Note 1)
127
150
173
kHz
Saturation Voltage
VSAT
IOUT=2A (Note 2, 3)
1.16
1.4
V
Max Duty Cycle (ON)
Min Duty Cycle (OFF)
DC
(Note 3)
(Note 4)
100
0
%
Current Limit
ICL
Peak Current (Notes 2, 3)
2
A
Output=0V (Notes 2, 4)
50
µA
Output Leakage Current
IL
Output=-1V (Note 5)
2
30
mA
Quiescent Current
IQ
(Note 4)
5
10
mA
Standby Quiescent Current
ISTBY
ON/OFF pin=5V (OFF) (Note 5)
80
200
µA
ON/OFF CONTROL
VIH
Low (Regulator ON)
1.3
0.6
V
ON/OFF Pin Logic Input
Threshold Voltage
VIL
High (Regulator OFF)
2.0
1.3
V
IH
VLOGIC=2.5V (Regulator OFF)
5
15
µA
ON/OFF Pin Input Current
IL
VLOGIC=0.5V (Regulator ON)
0.02
5
µA
Note 1: The switching frequency is reduced when the second stage current limit is activated.
2: No diode, inductor or capacitor connected to output pin.
3: Feedback pin removed from output and connected to 0V to force the output transistor switch ON.
4: Feedback pin removed from output and connected to 12V for the 2.5V 3.3V, 5V, and the ADJ. version, and
15V for the 12V version, to force the output transistor switch OFF.
5: VIN = 30V


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