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UC4601XG-AF5-R 数据表(PDF) 3 Page - Unisonic Technologies

部件名 UC4601XG-AF5-R
功能描述  PWM STEP-DOWN DC-DC CONTROLLER
PDF  4 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

UC4601XG-AF5-R 数据表(HTML) 3 Page - Unisonic Technologies

  UC4601XG-AF5-R Datasheet HTML 1Page - Unisonic Technologies UC4601XG-AF5-R Datasheet HTML 2Page - Unisonic Technologies UC4601XG-AF5-R Datasheet HTML 3Page - Unisonic Technologies UC4601XG-AF5-R Datasheet HTML 4Page - Unisonic Technologies  
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UC4601
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
3 of 4
www.unisonic.com.tw
QW-R502-494.D
ABSOLU T E M AX I M U M RAT I N G
PARAMETER
SYMBOL
RATINGS
UNIT
VIN Supply Voltage
VIN
15
V
Ext Pin Output Voltage
VEXT
VIN
V
CE Pin Input Voltage
VCE
VIN
V
VOUT/VFB Pin Input Voltage
VOUT/VFB
6
V
Ext Pin Output Current
IEXT
±50
mA
Power Dissipation
PD
+250
mW
Operating Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-55 ~ +125
°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.
OPERAT I N G RAN GE
PARAMETER
SYMBOL
RATINGS
UNIT
VIN Supply Voltage
VIN
2.5 ~ 15
V
Ext Pin Output Voltage
VEXT
VIN
V
CE Pin Input Voltage
VCE
VIN
V
VOUT/VFB Pin Input Voltage
VOUT/VFB
5.5
V
Ext Pin Output Current
IEXT
±50
mA
ELECT RI CAL CH ARACT ERI ST I CS (TOPR=25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADJUSTABLE OUTPUT VOLTAGE TYPE
Operating Voltage
VIN
2.3
15
V
Feedback Voltage
VFB
VIN=VCE=8V, ILOAD =350mA
0.98
1.00
1.02
V
Feedback Voltage Temperature
coefficient
∆VFB/∆T -40°C <TOPR<85°C
±100
ppm/°C
Supply Current
IQ1
VIN=VCE=12V, VFB=2V
40
80
μA
Shutdown Current
IQ2
VIN=12V, VCE=VFB=0V
0.1
1
μA
UC4601 Oscillator Frequency
fOSC1
VIN=VCE=8V, ILOAD =350mA
800
1000
1200
kHZ
UC4601A Oscillator Frequency
fOSC2
VIN=VCE=8V, ILOAD =350mA
400
500
600
kHZ
Maximum Duty Cycle
DMAX
100
%
Minimum Duty Cycle
DMIN
0
%
EXT “H” Output Current
IEXTH
VIN=VCE=8V, VEXT=7.9V, VFB=3V
-17
-10
mA
EXT “L” Output Current
IEXTL
VIN=VCE=8V, VEXT=0.1V, VFB=0V
20
30
mA
CE “H” Output Current
ICEH
VIN=VCE=VOUT=12V
0
0.5
μA
CE “L” Output Current
ICEL
VIN=VOUT=12V, VCE=0V
-0.3
0
μA
CE “H” Input Voltage
VCEH
VIN=8V, VFB=0V
1.8
V
CE “L” Input Voltage
VCEL
VIN=8V, VFB=0V
0.3
V
UVLO Voltage
VUVLO1
VIN=VCE=2.5V
≥1.5V, VFB=0V
1.75
2.0
2.25
V
UVLO Release Voltage
VUVLO2
VIN=VCE=1.5V
≥2.5V, VFB=0V
VUVLO1
+0.1
2.4
V
Delay Time by Soft-Start
TSST
VIN=8V, ILOAD =10mA, VCE=0V
≥2.5V
5
10
20
ms
Delay Time by Protection
TPROT
VIN=VCE=2.5V, VFB=2.5V
≥0V
5
15
30
ms



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