Electrical Characteristics: 0°C < TA < 70°C; 0°C < TJ < 125°C; VOUT2 ≤ 3.5V, 9V ≤ VCC1 ≤ 14V, 9V ≤ VCC2 ≤ 20V; 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
s VCORE Switching Regulator Error Amplifier
VFB1 Bias Current
VFB1 = 0V
-1.0
0.1
1.0
µA
COMP1 Source Current
COMP1 = 1.2V to 3.6V; VFB1 = 1.9 V
15
30
60
µA
COMP1 Sink Current
COMP1=1.2V; VFB1 =2.1V;
30
60
120
µA
Open Loop Gain
CCOMP1 = 0.1µF
80
dB
Unity Gain Bandwidth
CCOMP1 = 0.1µF
20
kHz
PSRR @ 1kHz
CCOMP1 = 0.1µF
70
dB
s Voltage Identification DAC
Accuracy (all codes)
VID4 VID3 VID2 VID1 VID0
1 00 0 0
1 00 0 1
1 00 1 0
1 00 1 1
1 01 0 0
1 01 0 1
1 01 1 0
1 01 1 1
1 10 0 0
1 10 0 1
1 10 1 0
1 10 1 1
1 11 0 0
1 11 0 1
1 11 1 0
0 00 0 0
0 00 0 1
0 00 1 0
0 00 1 1
0 01 0 0
0 01 0 1
0 01 1 0
0 01 1 1
0 10 0 0
0 10 0 1
0 10 1 0
0 10 1 1
0 11 0 0
0 11 0 1
0 11 1 0
0 11 1 1
1 11 1 1
Line Regulation
Input Threshold
Measure VFB1 = COMP1,
25°C ≤ TJ≤ 125°C, VCC1 = VCC2 = 12V -1.0
9V ≤ VCC1 ≤ 14V
VID4, VID3, VID2, VID1, VID0
3.489
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
1.00
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
1.25
1.0
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
2.40
%
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%/V
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4