AIC1570 Datasheet, PDF (3/18 Pages) Analog Intergrations Corporation – 5-bit DAC, Synchronous PWM Power Regulator with LDO and Linear Controller

AIC1570
ELECTRICAL CHARACTERISTICS (V_cc=12V, T_J=25°C, Unless otherwise
specified)
PARAMETER
TEST CONDITIONS
SYMBOL MIN. TYP. MAX. UNIT
VCC SUPPLY CURRENT
Supply Current
UGATE, LGATE, GATE3 and
I_CC
VOUT2 open
1.8
5
mA
POWER ON RESET
Rising VCC Threshold
Falling VCC Threshold
Rising VIN2 Under-Voltage
Threshold
V_OCSET=4.5V
V_OCSET=4.5V
VCC_THR
8.6
9.5 10.4
V
VCC_THF
8.2
9.2 10.2
V
VIN2_THR
2.5
2.6
2.7
V
VIN2 Under-Voltage
Hysteresis
VIN2_HYS
130
mV
Rising V_OCSET1 Threshold
OSCILLATOR
V_OCSETH
1.3
V
Free Running Frequency
RT=Open
F
170 200 230 KHz
Ramp. Amplitude
REFERENCE AND DAC
RT=open
∆V_OSC
1.3
V_P-P
DAC (VID0~VID4) Input Low
Voltage
VID_L
0.8
V
DAC (VID0~VID4) Input
High Voltage
VID_H
2
V
DACOUT Voltage Accuracy VDAC=1.8V~3.5V
-1.0
+1.0 %
FB2 Reference Voltage
FB3 Reference Voltage
LINEAR REGULATOR
V_REF2
V_REF3
1.240 1.265 1.290 V
1.250 1.275 1.300 V
Regulation
Under-Voltage Level
Over-Current Protection
10mA<I_OUT2<150mA
FB2 falling
FB2_UV
-1
+1
%
70
82
%
430 570
mA
Over-Current Protection
During Start-up
750
mA
3