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P3596
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 8
www.unisonic.com.tw
QW-R103-023,E
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Maximum Supply Voltage
VCC
40
V
Operating Voltage
VOPR
4.5 ~ 35
V
ON/OFF Pin Input Voltage
VON/OFF
-0.3 ~ +20
V
Feedback Pin Voltage
VFB
-0.3 ~ +20
V
Output Voltage to Ground (Steady State)
VOUT
-1
V
Power Dissipation
PD
Internally limited
mW
Maximum Junction Temperature
TJ
+150
Temperature Range
TOPR
-40 ~ +125
Storage Temperature Range
TSTG
-65 ~ +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
(T =25 , VIN=12V for the 3.3V, 5V, and Adjustable version and VIN=24V for the 12V version, ILOAD=500mA.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
1.5V
2.8V VIN 35V, 0.2A ILOAD 3A
1.44
1.5
1.56
V
2.5V
3.8V VIN 35V, 0.2A ILOAD 3A
2.4
2.5
2.6
V
3.3V
4.75V VIN 35V, 0.2A ILOAD 3A
3.168
3.3
3.432
V
5.0V
7V VIN 35V, 0.2A ILOAD 3A
4.8
5.0
5.2
V
Output Voltage
12V
VOUT
15V VIN 35V, 0.2A ILOAD 3A
11.52
12.0
12.48
V
1.5V
VIN=12V, ILOAD=3A
73
%
2.5V
VIN=12V, ILOAD=3A
73
%
3.3V
VIN=12V, ILOAD=3A
73
%
5.0V
VIN=12V, ILOAD=3A
80
%
Efficiency
12V
η
VIN=24V, ILOAD=3A
90
%
UTC P3596-ADJ
Feedback Voltage
VFB
4.5V VIN 35V, 0.2A ILOAD 3A
VOUT programmed for 3V
1.193 1.230
1.267
V
Efficiency
η
VIN=12V, VOUT=3V, ILOAD=3A
73
%
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=3A (Note 2, 3)
1.16
1.4
V
Min
ON (Note 3)
100
Duty Cycle
Max
DC
OFF(Note 4)
0
%
Current Limit
ILIMIT
Peak Current (Notes 2, 3)
3.6
4.5
6.9
A
Output=0V (Notes 2, 4)
50
A
Output Leakage Current
ILEAK
Output=-1V, VIN = 40V
2
30
mA
Quiescent Current
IQ
(Note 4)
5
10
mA
Standby Quiescent Current
ISTBY
ON/OFF pin=5V (OFF), VIN = 40V
80
200
A
ON/OFF CONTROL
Low
VIH
Regulator ON
0.6
1.3
ON/OFF Pin Logic Input
Threshold Voltage
High
VIL
Regulator OFF
2.0
V
IH
VLOGIC=2.5V (Regulator OFF)
5
15
A
ON/OFF Pin Input Current
IL
VLOGIC=0.5V (Regulator ON)
0.02
5
A
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 15V for the 12V version, and 12V for others to force
the output transistor switch OFF.