APW7178AQBI-TRG Просмотр технического описания (PDF) - Anpec Electronics
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APW7178AQBI-TRG Datasheet PDF : 16 Pages
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APW7178A
Recommended Operating Conditions (Note 3) (Cont.)
Symbol
CIN Converter Input Capacitor
COUT Converter Output Capacitor
TA Ambient Temperature
TJ Junction Temperature
Parameter
Range
Unit
4.7 ~100
µF
4.7 ~100
µF
-40 ~ 85
oC
-40 ~ 125
oC
Note 3: Refer to the typical application circuit
Electrical Characteristics
Unless otherwise specified, these specifications apply over VIN=3.6V and TA= 25 oC.
Symbol
Parameter
Test Conditions
SUPPLY VOLTAGE AND CURRENT
VIN Input Voltage Range
ISD Shutdown Input Current
RUN = GND
POWER-ON-RESET (POR) and LOCKOUT VOLTAGE THRESHOLDS
UVLO Threshold
UVLO Hysteresis
REFERENCE VOLTAGE
VREF Reference Voltage
VIN=2.7V~6V, TA = -40~85 oC
Output Voltage Accuracy
0A < IOUT < 1A
IFB FB Input Current
INTERNAL POWER MOSFETS
FSW Switching Frequency
Foldback Frequency
VFB = 0.1V
Foldback Threshold Voltage on FB
VFB Falling
Foldback Hysteresis
RP-FET High Side N-FET Switch ON Resistance ISW=200mA
RN-FET Low Side P-FET Switch ON Resistance ISW=200mA
Minimum On-Time
Maximum Duty Cycle
PROTECTION
ILIM Maximum Inductor Current-Limit
IP-FET, 2.7V≦VIN≦6V
TOTP Over-Temperature Protection
TJ Rising
Over-Temperature Protection Hysteresis TJ Falling
APW7178A
Min. Typ. Max.
2.7
-
6
-
-
0.5
2.1
2.35
2.6
-
0.1
-
0.588 0.6 0.612
-2.5
-
+2.5
-50
-
50
1.2
1.5
1.8
-
210
-
-
0.2
-
-
50
-
-
0.28
-
-
0.25
-
-
-
100
-
-
100
1.4
1.6
-
-
150
-
-
30
-
Unit
V
µA
V
V
V
%
nA
MHz
kHz
V
mV
Ω
Ω
ns
%
A
°C
Copyright © ANPEC Electronics Corp.
3
Rev. A.1 - Sep., 2012
www.anpec.com.tw
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