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AIC1574 Fiches technique(PDF) 5 Page - Analog Intergrations Corporation

No de pièce AIC1574
Description  5-bit DAC, Synchronous PWM Power Regulator with Triple Linear Controllers
Download  20 Pages
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Fabricant  AIC [Analog Intergrations Corporation]
Site Internet  http://www.analog.com.tw
Logo AIC - Analog Intergrations Corporation

AIC1574 Fiches technique(HTML) 5 Page - Analog Intergrations Corporation

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AIC1574
5
n ELECTRICAL CHARACTERISTICS (Continued)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
SYNCHRONOUS PWM CONTROLLER AMPLIFIER
DC Gain
(G.B.D.)
80
dB
Gain-Bandwidth Product
(G.B.D.)
GBWP
13
MHz
Slew Rate
(G.B.D.) note 1.
SR
6
V/
µs
PWM CONTROLLER GATE DRIVER
Upper Drive Source
VCC=12V, VUGATE = 6V
IUGH
0.9
A
Upper Drive Sink
VUGATE=1V
RUGL
2.8
3.5
Lower Drive Source
VCC=12V, VLGATE =6V
ILGH
1
A
Lower Drive Sink
VLGATE=1V
RLGL
2.2
3.0
PROTECTION
VSEN1 Over-Voltage
( VSEN1/DACOUT)
VSEN1 Rising
OVP
116
120
%
FAULT Sourcing Current
VCC-VFAULT/RT =2.0V
IOVP
20
mA
OCSET Current Source
VOCSET=4.5VDC
IOCSET
170
200
230
µA
Soft-Start Current
ISS
25
µA
POWER GOOD
VSEN1 Upper Threshold
( VSEN1/DACOUT )
VSEN1 Rising
108
111
%
VSEN1 Under-Voltage
( VSEN1/DACOUT )
VSEN Falling
92
95
%
VSEN1 Hysteresis
(VSEN1/DACOUT)
Upper and Lower Threshold
2
%
PGOOD Voltage Low
IPGOOD=-4mA
VPGOOD
0.4
0.8
V
Note 1. Without internal compensation network, the gain bandwidth product is 13MHz. Being associated with in-
ternal compensation networks, the Bode Plot is shown in Fig. 3, “Internal Compensation Gain of PWM Error Am-
plifier”.


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