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UPS602_11 Datasheet, PDF (4/12 Pages) Unisonic Technologies – HIGH PERFORMANCE CURRENT MODE POWER SWITCH
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UPS602
LINEAR INTEGRATED CIRCUIT
„ ABSOLUTE MAXIMUM RATINGS (Ta＝25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
30
V
Input Voltage to VIN Pin
VIN
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
Supply Voltage
SYMBOL
VCC
RATINGS
8.6 ~ 22
„ ELECTRICAL CHARACTERISTICS (Ta＝25°C, VCC=15V, unless otherwise specified)
UNIT
V
PARAMETER
SYMBOL TEST CONDITIONS
SUPPLY SECTION
Start Up Current
ISTR VCC = VCC(ON)-0.1V
Supply Current with switch
IOFF VSS = 0, IFB = 0
ION VSS = 4.8V, IFB = 0
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
VTHD(ON)
Min. Operating Voltage
VCC(MIN)
Hysteresis
VCC(HY)
INTERNAL VOLTAGE REFERENCE
Internal Voltage Reference
VREF Guarantee by design
CONTROL SECTION
VFB Operating Level
VMIN
VMAX
Burst-Mode Out FB Voltage
VFB(OUT) VCS =0
Reduce-Frequency end FB Voltage
VFB(END) VCS =0
Burst-Mode Enter FB Voltage
VFB(IN) VCS =0
Switch Frequency
Normal
Power-Saving
F(SW)
VFB = 4V
Before enter burst mode
Duty Cycle
DMAX VFB=4.4V, VCS =0
DMIN VFB<0.5V
Frequency Hopping
FJ(SW)
Frequency Variation VS VCC Deviation
FDV VCC=10 to 20V
Frequency Variation VS Temperature Deviation FDT T=-40 to 105°C
Feedback Resistor
RFB VFB=0V
Soft-Start Time
TSS CSS=0.47μF
PROTECTION SECTION
OVP threshold
VOVP1 VSS<3.5V,VFB>5V
VOVP2 VSS=4.8V, VFB=3V
OLP threshold
VFB(OLP) VCS=0, SS OPEN
Delay Time Of OLP
TD-OLP CSS=0.47μF
OTP threshold
T(THR)
OVP Disable threshold
OLP Enable threshold
VSS(DEACT) VFB>5V, VCC = 22V
VSS(ACT) VFB>5V
MIN
13.5
7.5
6.3
0.5
61
20
68
0
±1.5
16
9.9
4.7
55
120
3.9
5.1
TYP
22
8
8
14.2
8.2
6
6.5
1.7
1.6
1.5
68
74
±3
21
11.2
19
28
4.9
62
135
4.1
5.4
MAX UNIT
45 μA
10 mA
10 mA
15
V
9
V
V
6.7 V
V
4.4
V
V
V
75 kHz
40 kHz
80
%
%
±4.5 kHz
5
%
5
%
26 kΩ
12.6 ms
V
V
5.1 V
70 ms
150 °C
4.3 V
5.7 V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 12
QW-R119-005.I
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