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UPS1602 Datasheet(PDF) 4 Page - Unisonic Technologies

Part # UPS1602
Description  HIGH PERFORMANCE CURRENT MODE POWER SWITCH
Download  12 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UPS1602 Datasheet(HTML) 4 Page - Unisonic Technologies

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UPS1602
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 12
www.unisonic.com.tw
QW-R119-016.D
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
30
V
Input Voltage to FB Pin
VFB
-0.3 ~ 6.2
V
Input Voltage to CS Pin
VCS
-0.3 ~ 2.8
V
Junction Temperature
TJ
+150
°C
Operating Temperature
TOPR
-40 ~ +125
°C
Storage Temperature
TSTG
-50 ~ +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.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
8.6 ~ 22
V
ELECTRICAL CHARACTERISTICS (TA=25°C, VCC=15V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY SECTION
Start Up Current
ISTR
VCC = VCC(ON)-0.1V
22
45
μA
Supply Current with switch
IOFF
VSS = 0, IFB = 0
7
9
mA
ION
VSS = 4.8V, IFB = 0
7
9
mA
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
VTHD(ON)
13.5
14.2
15
V
Min. Operating Voltage
VCC(MIN)
7.5
8.2
9
V
Hysteresis
VCC(HY)
6
V
INTERNAL VOLTAGE REFERENCE
Reference Voltage
VREF
measured at pin VFB
6.3
6.5
6.7
V
CONTROL SECTION
VFB Operating Level
VMIN
0.5
V
VMAX
4.4
Burst-Mode Out FB Voltage
VFB(OUT)
VCS =0
1.7
V
Reduce-Frequency end FB Voltage
VFB(END)
VCS =0
1.6
V
Burst-Mode Enter FB Voltage
VFB(IN)
VCS =0
1.5
V
Switch Frequency
Normal
F(SW)
VFB = 4V
61
68
75
kHz
Power-Saving
Before enter burst mode
20
40
kHz
Duty Cycle
DMAX
VFB=4.4V, VCS =0
68
74
80
%
DMIN
VFB<0.5V
0
%
Frequency Hopping
FJ(SW)
±1.5
±3
±4.5
kHz
Frequency Variation VS VCC Deviation
FDV
VCC=10 to 20V
5
%
Frequency Variation VS Temperature
Deviation
FDT
T=-40 to 105°C
5
%
Feedback Resistor
RFB
VFB=0V
16
21
26
kΩ
Soft-Start Time
TSS
CSS=0.47μF
9.9
11.2
12.6
ms
PROTECTION SECTION
OVP threshold
VOVP1
VSS <3.5V,VFB>5V
19
V
VOVP2
VSS =4.8V, VFB=3V
28
V
OLP threshold
VFB(OLP)
VCS=0, SS-PIN OPEN
4.7
4.9
5.1
V
Delay Time Of OLP
TD-OLP
CSS=0.47μF
55
62
70
ms
OTP threshold
T(THR)
120
135
150
°C
OVP Disable threshold
VSS (DEACT)
VFB>5V, VCC = 22V
3.9
4.1
4.3
V
OLP Enable threshold
VSS (ACT)
VFB>5V
5.1
5.4
5.7
V


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