APW717818QBI-TRG 查看數據表（PDF） - Anpec Electronics
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APW717818QBI-TRG Datasheet PDF : 16 Pages
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APW7178
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
IQ Quiescent Current
VFB = 0.7V
ISD Shutdown Input Current
RUN = GND
POWER-ON-RESET (POR) and LOCKOUT VOLTAGE THRESHOLDS
UVLO Threshold
UVLO Hysteresis
REFERENCE VOLTAGE
VREF Reference Voltage
Output Voltage Accuracy
IFB FB Input Current
INTERNAL POWER MOSFETS
APW7178
VIN=2.7V~6V, TA = -40~85 oC
APW7178-10
VIN=2.7V~6V, TA = -40~85 oC
APW7178-12
VIN=2.7V~6V, TA = -40~85 oC
APW7178-18
VIN=2.7V~6V, TA = -40~85 oC
APW7178-33
VIN=2.7V~6V, TA = -40~85 oC
0A < IOUT < 1A
FSW Switching Frequency
Foldback Frequency
Foldback Threshold Voltage on FB
Foldback Hysteresis
VFB = 0.1V
VFB Falling
RP-FET
RN-FET
High Side N-FET Switch ON Resistance
Low Side P-FET Switch ON Resistance
Minimum On-Time
ISW=200mA
ISW=200mA
Maximum Duty Cycle
PROTECTION
ILIM Maximum Inductor Current-Limit
TOTP Over-Temperature Protection
Over-Temperature Protection Hysteresis
IP-FET, 2.7V≦VIN≦6V
TJ Rising
TJ Falling
Copyright © ANPEC Electronics Corp.
3
Rev. A.2 - Jan., 2011
APW7178
Unit
Min. Typ. Max.
2.7
-
6
V
-
25
40
µA
-
-
0.5
µA
2.1
2.35
2.6
V
-
0.1
-
V
0.588 0.6 0.612
V
0.98
1.0
1.02
V
1.176 1.2 1.224
V
1.764 1.8 1.836
V
3.234 3.3 3.366
V
-2.5
-
+2.5
%
-50
-
50
nA
1.2
1.5
1.8
MHz
-
210
-
kHz
-
0.2
-
V
-
50
-
mV
-
0.28
-
Ω
-
0.25
-
Ω
-
-
100
ns
-
-
100
%
1.4
1.6
-
A
-
150
-
°C
-
30
-
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