AIC1573
n
ELECTRICAL CHARACTERISTICS
PARAMETER
TEST CONDITIONS
SYNCHRONOUS PWM CONTROLLER AMPLIFIER
DC Gain
Gain-Bandwidth Product
Slew Rate
(G.B.D.)
(G.B.D.)
(G.B.D.) note 1.
(Continued)
SYMBOL
MIN.
TYP.
MAX.
UNIT
80
G
BWP
S
R
13
6
dB
MHz
V/µs
PWM CONTROLLER GATE DRIVERS
U
GATE1,2
Upper Drive Source
U
GATE1,2
Upper Drive Sink
Lower Drive Source
Lower Drive Sink
PROTECTION
VSEN1 Over-Voltage
( V
SEN1
/DACOUT)
FAULT Sourcing Current
OCSET1,2 Current Source
Soft-Start Current
POWER GOOD
V
SEN1
Upper Threshold
( V
SEN1
/DACOUT )
V
SEN1
Under-Voltage
( VSEN1/DACOUT )
V
SEN1
Hysteresis
(VSEN1/DACOUT)
P
GOOD
Voltage Low
Upper and Lower Threshold
I
PGOOD
=-4mA
V
PGOOD
2
0.4
0.8
%
V
V
SEN1
Falling
92
95
%
V
SEN1
Rising
108
111
%
V
SEN1
Rising
V
CC
-
V
FAULT/RT
=2.0V
V
OCSET
=4.5VDC
OVP
I
OVP
I
OCSET
I
SS
170
116
20
200
25
230
120
%
mA
µA
µA
V
CC
=12V, V
U
GATE
= 6V
V
UGATE
=1V
V
CC
=12V, V
LGATE
=1V
V
LGATE
=1V
I
UGH
R
UGL
I
LGH
R
LGL
0.9
2.8
1
2.2
3.0
3.5
A
Ω
A
Ω
Note 1. Without internal compensation network, the gain bandwidth product is 13MHz. Being associated with
internal compensation networks, the Bode Plot is shown in Fig. 3, “Internal Compensation Gain of
PWM Error Amplifier”.
5
AIC [ ANALOG INTERGRATIONS CORPORATION ]
