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P1686-S08-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 P1686-S08-R
功能描述  600KHZ, 3A STEP-DOWN CURRENT MDOE SWITCHING REGULATOR
PDF  6 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

P1686-S08-R 数据表(HTML) 4 Page - Unisonic Technologies

  P1686-S08-R Datasheet HTML 1Page - Unisonic Technologies P1686-S08-R Datasheet HTML 2Page - Unisonic Technologies P1686-S08-R Datasheet HTML 3Page - Unisonic Technologies P1686-S08-R Datasheet HTML 4Page - Unisonic Technologies P1686-S08-R Datasheet HTML 5Page - Unisonic Technologies P1686-S08-R Datasheet HTML 6Page - Unisonic Technologies  
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P1686
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R103-039.C
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNITS
Input Supply Voltage
VIN
-0.3 ~ +28
V
Boost Pin Above VSW
(VBST -VSW)
16
V
Boost Pin Voltage
VBST
-0.3 ~ +32
V
EN Pin Voltage
VEN
-0.3 ~ +16
V
FB Pin Voltage
VFB
-0.3 ~ +6
V
FB Pin Current
IFB
1
mA
SYNC Pin Current
ISYNC
1
mA
Junction Temperature
TJ
150
°C
Operating Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-65 ~ +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.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNITS
Junction to Ambient
θJA
36.5
°C/W
ELECTRICAL CHARACTERISTICS
(VIN = 12V, VCOMP = 0.8V, VBS = VIN + 5V, EN = tied to VIN, SYNC = 0, SW = open. TA = TJ = -40°C ~ 85°C.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
MAX UNITS
Operating Input Voltage
VIN
16(Note 1)
V
Maximum Switch Current Limit
ISW
3.0
A
Oscillator Frequency
fOSC
550
600
750
kHz
Switch On Voltage Drop
VD(SW) ISW = 3A
330
mV
VIN Undervoltage Lockout
VUVLO
TA = 25°C
2.60
3
V
VIN Supply Current
IQ
VFB = VOUT(NOM) + 17%
1.0
5
mA
Standby Current
IQ(OFF)
VEN = 0V, VIN = VBOOST = 16V, VSW = 0V
5
45
μA
FB Input Current
IFB
-0.25
-0.50
μA
Feedback Voltage
1.176 1.2
1.224
V
Feedback Voltage Line Regulation
3V < VIN < 16V (Note 2)
+3
mV/V
FB to VCOMP Voltage Gain (Note 3)
0.4V ≤ VCOMP ≤ 0.9V
150
350
FB to VCOMP Transconductance
(Note 3)
Δ ICOMP = ± 10μA
500
850
1300
μMho
VCOMP Pin Source Current
VFB = VOUT(NOM) -17%
70
110
μA
VCOMP Pin Sink Current
VFB = VOUT(NOM) + 17%
70
110
μA
VCOMP Pin to Switch Current Trans
conductance
2.5
A/V
VCOMP Pin Maximum Switching
Threshold
Duty cycle = 0%
0.35
V
VCOMP Pin Threshold
ISW = 3A
0.9
V
Maximum Switch Duty Cycle
VCOMP = 1.2V, ISW = 400mA
85
%
Minimum Boost Voltage Above
Switch (Note 3)
VBOOST
ISW = 3A, 0°C ≤ TA ≤ 85°C
ISW =2.5A, TA < 0°C
1.8
2.7
V
ISW = 1A
10
15
Boost Current
IBOOST
ISW = 3A, 0°C ≤ TA ≤ 85°C
ISW =2.5A, TA < 0°C
30
45
mA
VIH
3
V
Enable Input Threshold Voltage
VIL
0.4
V
IIL
EN = 60mV above threshold
2.5
μA
Enable Input Bias Current
IIH
EN = 100mV below threshold
5
15
μA



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