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APW7323KAI-TRG Datasheet(PDF) 4 Page - Anpec Electronics Coropration

Part # APW7323KAI-TRG
Description  4A,5V, 500KHz Synchronous Buck Converter
PDF  22 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW7323KAI-TRG Datasheet(HTML) 4 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.4 - Aug., 2013
APW7324
www.anpec.com.tw
4
Electrical Characteristics (Cont.)
Unless otherwise specified, these specifications apply over V
CC=VIN=5V, VOUT=3.3V and TA=-40~85
oC. Typical values
are at T
A=25
oC.
APW7324
Symbo
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
CURRENT -MODE PWM CONVERTER
Gm
Error Amplifier Transconductance
-
680
-
µA/V
Error Amplifier DC Gain
COMP=NC
-
50
-
dB
Current Sense Resistance
-
400
-
m
Ω
TD
Dead Time
-
20
-
ns
PROTECEIONS
ILIM
High Side MOSFET current-limit
Peak Current
5
6
7
A
TOTP
Over-temperature Trip Point
-
160
-
°C
Over-temperature Hysteresis
-
50
-
°C
Over- Voltage Protection Threshold
120
125
130
%VREF
OVP Debounce Time
-
3
-
µs
Under-Voltage Protection Threshold
45
50
55
%VREF
UVP Debounce Time
-
3
-
µs
Low Side Switch Current-Limit
From Drain to Source
-1.6
-1.9
-2.2
A
SOFT-START, ENABLE and INPUT CURRENTS
Soft Start Time
-
2.5
-
ms
EN Enable Threshold Voltage
VEN Rising
0.8
-
1.3
V
EN Threshold Hysteresis
-
0.15
-
V
EN Pull High Resistance
-
300
-
K
Ω
POWER GOOD
POK in from lower
(POK goes high)
85
87.5
90
%VOUT
POK low hysteresis
-
5
-
%VOUT
POK in from higher
(POK goes high)
110
112.5
115
%VOUT
POK Threshold
POK high hysteresis
-
5
-
%VOUT
POK Pull Low Resistance
-
1
-
ΚΩ
POK Low-to-High Debounce Time
-
0.5
-
ms



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