M7085G(2012) 데이터 시트보기 (PDF) - Unisonic Technologies
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M7085G Datasheet PDF : 7 Pages
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M7085
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
-0.3 ~ 36
V
PGATE Voltage
VPGATE
-0.3 ~ 36
V
FB Voltage
VFB
-0.3 ~ 5
V
ISENSE Voltage
VISNS
-1.0 ~ 36
V
ADJ Voltage
Power Dissipation (TA =25℃)
Junction Temperature
Storage Temperature
VADJ
PD
TJ
TSTG
-0.3 ~ 36
V
400
mW
150
℃
-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.
OPERATING RATINGS
PARAMETER
Supply Voltage
SYMBOL
Operating Junction Temperature
TOPR
ELECTRICAL CHARACTERISTICS
RATINGS
4.5 ~ 35
-40 ~ +125
UNIT
V
℃
VIN = 12V, VISNS = VIN − 1V, and VADJ = VIN − 1.1V, Ta=25℃
PARAMETER
SYMBOL
TEST CONDITIONS
Feedback Voltage (Note 1)
VFB
Minimum Driver Voltage
VPGATE(MIN)
VIN = 4.5V VFB = 1.0V
IGATE = 100μA sink
MIN
1.224
1.215
Comparator Hysteresis
VHYS
Current Limit Comparator Trip Voltage
VCL (Note2)
RADJ = 20Ω
RADJ = 160Ω
Current Limit Comparator Offset
VCL(OFF) VFB = 1.5V
-20
Current Limit ADJ Current Source
ICL(ADJ) VFB = 1.5V
3.0
FB pin Bias Current (Note 3)
IFB
VFB = 1.0V
Driver Output Current
Source
Sink
IPGATE
VIN = 7V, PGATE = 3.5V
VIN = 7V, PGATE = 3.5V
Driver Resistance
Source
Sink
RPGATE
ISOURCE = 100mA
ISINK = 100mA
Current Limit One Shot off Time
TCL
VADJ = 11.5V, VISNS = 11.0V,
VFB = 1.0V
5
Minimum on Time in Normal Operation
TOPR(MIN)
VISNS = VADJ+0.1V, CLOAD on
OUT = 1000pF, (Note 4)
Minimum on Time in Current Limit
Feedback Voltage Line Regulation
Quiescent Current at Ground Pin
TCL(MIN)
VISNS = VADJ+0.1V, VFB = 1.0V
CLOAD on OUT=1000pF (Note 4)
%VFB/△VIN 4.5 ≤ VIN ≤ 35V
IQ
FB = 1.5V (Not Switching)
Note: 1. The VFB is the trip voltage at the FB pin when PGATE switches from high to low.
2. VCL = ICL_ADJ * RADJ
3. Bias current flows out from the FB pin.
4. A 1000pF capacitor is connected between VIN and PGATE.
TYP
1.240
1.15
10
15
110
880
0
5
320
0.4
0.3
5
8
8
110
185
0.010
300
MAX
1.256
1.265
16
21
+20
7.0
756
13
500
UNIT
V
V
mV
mV
mV
µA
nA
A
Ω
µS
ns
ns
%/V
µA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 7
QW-R502-092, Ba
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