APW7153 Datasheet, PDF (4/20 Pages) Anpec Electronics Coropration – 3A 5V 2MHz Synchronous Buck Converter

APW7153/A/B
Electrical Characteristics (Cont.)
Unless otherwise specified, these specifications apply over V_VDD=V_PVDD=3.3V, T_A= -40 ~ 85 ^oC. Typical values are at T_A=25^oC.
Symbol
Parameter
Test Conditions
CURRENT-MODE PWM CONVERTER
Gm Error Amplifier Transconductance
Error Amplifier DC Gain
COMP=NC
Current Sense Transresistance
T_D
Dead Time ^{(Note 5)}
PROTECTIONS
I_LIM
T_OTP
High Side MOSFET Current-Limit
Over-Temperature Trip Point ^{(Note 5)}
Peak Current
Over-Temperature Hysteresis
Over-Voltage Protection Threshold
Under-Voltage Protection Threshold
Low Side MOSFET Current-Limit
From Drain to Source
SOFT-START, ENABLE AND INPUT CURRENTS
APW7153/A/B
Unit
Min.
Typ.
Max.
-
550
-
µA/V
-
80
-
dB
-
500
-
mΩ
-
20
-
ns
4.0
4.5
5.0
A
-
160
-
°C
-
50
-
°C
119
125
131
%V_OUT
44
50
56
%
0.7
-
1.6
A
Soft-Start Time
V_SHDN SHDN Shutdown Threshold
POK Threshold
Power Good Pull Low Resistance
Power Good Debounce
1
V_SHDN > SHDN shutdown Threshold,
IC shutdown
-
POK in from Lower
(POK Goes High)
85
POK Low Hysteresis
(POK Goes High)
-
POK in from Higher
(POK Goes High)
110
POK High Hysteresis
(POK Goes Low)
-
-
-
1.5
2
ms
V_VDD-0.9 V_VDD -0.4
V
87.5
90
%V_OUT
5
-
%V_OUT
112.5
115
%V_OUT
5
-
%V_OUT
100
-
Ω
0.5
-
ms
Note 5: Guarantee by design.
Copyright © ANPEC Electronics Corp.
4
Rev. A.6 - Aug., 2012
www.anpec.com.tw