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

부품명 APW7323KAI-TRG
상세설명  3.2A, 5V, 1MHz Synchronous Buck Converter
PDF  22 Pages
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제조업체  ANPEC [Anpec Electronics Coropration]
홈페이지  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

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

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Copyright
© ANPEC Electronics Corp.
Rev. A.5 - Aug., 2013
APW7323/A
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.
APW7323/A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
OSCILLATOR and DUTY CYCLE
FOSC
Oscillator Frequency
0.85
1
1.15
MHz
Maximum Converter’s Duty
VFB=0.7V
-
100
-
%
Minimum on Time
-
70
-
ns
POWER MOSFET
High Side P-MOSFET Resistance
VCC=VIN=5V, ILX=0.5A, TA=25
oC
-
85
115
m
Ω
Low Side N-MOSFET Resistance
VCC=VIN=5V, ILX=0.5A, TA=25
oC
-
75
105
m
Ω
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
PROTECTIONS
ILIM
High Side MOSFET Current-Limit
Peak Current
4.2
5.4
6.6
A
TOTP
Over-temperature Trip Point
(Re-softstart after OTP)
-
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
-
-1.9
-
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
-
0.2
-
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
-
k
Ω
POK Low-to-High Debounce Time
-
0.5
-
ms



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