Electrical Characteristics: 0ûC < TA < 70ûC; 0ûC < TJ < 125ûC; VOUT2 ² 3.5V, 9V ² VCC1 ² 14V, 9V ² VCC2 ² 14V; 2.0V DAC Code
(VID4= VID3 = VID2 = VID1 = 0, VID0 = 1), CGATE(H) = CGATE(L) = CGATE = 3.3nF, COFF = 390pF; Unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
■ VCORE Switching Regulator Error Amplifier
V
FB1 Bias Current
VFB1 = 0V
-1.0
15
0.1
30
60
80
20
70
1.0
60
µA
µA
µA
dB
COMP1 Source Current
COMP1 Sink Current
Open Loop Gain
COMP1 = 1.2V to 3.6V; VFB1 = 1.9 V
COMP1=1.2V; VFB1 =2.1V;
CCOMP1 = 0.1µF
30
120
Unity Gain Bandwidth
PSRR @ 1kHz
CCOMP1 = 0.1µF
kHz
dB
CCOMP1 = 0.1µF
■ Voltage Identification DAC
Accuracy (all codes)
Measure VFB1 = COMP1,
25ûC ² TJ² 125ûC, VCC1 = VCC2 = 12V
-1.0
1.0
%
VID4 VID3 VID2 VID1 VID0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
3.489
3.525
3.425
3.325
3.225
3.125
3.025
2.925
2.825
2.725
2.625
2.525
2.425
2.325
2.225
2.125
2.075
2.025
1.975
1.925
1.875
1.825
1.775
1.725
1.675
1.625
1.575
1.525
1.475
1.425
1.375
1.325
1.250
0.01
3.560
3.459
3.358
3.257
3.156
3.055
2.954
2.853
2.752
2.651
2.550
2.449
2.348
2.247
2.146
2.096
2.045
1.995
1.944
1.894
1.843
1.793
1.742
1.692
1.641
1.591
1.540
1.490
1.439
1.389
1.338
1.275
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
%/V
V
3.390
3.291
3.192
3.093
2.994
2.895
2.796
2.697
2.598
2.499
2.400
2.301
2.202
2.103
2.054
2.004
1.955
1.905
1.856
1.806
1.757
1.707
1.658
1.608
1.559
1.509
1.460
1.410
1.361
1.311
1.225
Line Regulation
Input Threshold
9V ² VCC1 ² 14V
VID4, VID3, VID2, VID1, VID0
1.00
1.25
2.40
4
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
