Electrical Characteristics: 0˚C < TA < 70˚C; 0˚C < TJ < 125˚C; 8V < VCC < 14V; 2.0V DAC Code
(VID4 = VID3 = VID2 = VID1 =0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3nF, COFF = 330pF, CSS= 0.1µF; Unless otherwise stated.
LOWER THRESHOLD
TYP
UPPER THRESHOLD
THRESHOLD ACCURACY
MIN
MAX
MIN
TYP
MAX
UNITS
% of Nominal VID Code
ꢀ DAC CODE
-12
-8.5
-5
5
8.5
12
%
VID4 VID3 VID2 VID1 VID0
1
1
1
1
0
1
1
1
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
0
0
2.134
2.046
1.958
1.870
1.826
2.218
2.127
2.035
1.944
1.898
2.303
2.208
2.113
2.018
1.971
2.546
2.441
2.336
2.231
2.178
2.631
2.522
2.414
2.305
2.251
2.716
2.604
2.492
2.380
2.324
V
V
V
V
V
0
0
0
0
1
1.782
1.8520
1.923
2.126
2.197
2.268
V
0
0
0
1
0
1.738
1.807
1.876
2.073
2.142
2.212
V
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1.694
1.650
1.606
1.562
1.518
1.474
1.430
1.386
1.342
1.298
1.254
1.210
1.166
1.094
1.761
1.715
1.669
1.624
1.578
1.532
1.486
1.441
1.395
1.349
1.303
1.258
1.212
1.138
1.828
1.781
1.733
1.686
1.638
1.591
1.543
1.496
1.448
1.401
1.353
1.306
1.258
1.181
2.021
1.968
1.916
1.863
1.811
1.758
1.706
1.653
1.601
1.548
1.496
1.443
1.391
1.306
2.088
2.034
1.980
1.925
1.871
1.817
1.763
1.708
1.654
1.600
1.546
1.491
1.437
1.349
2.156
2.100
2.044
1.988
1.932
1.876
1.820
1.764
1.708
1.652
1.596
1.540
1.484
1.393
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Note 1: Guaranteed by design, not 100% tested in production
Block Diagram
-
V
V
CC
V
Monitor
CC
+
3.95V
3.87V
GATE(H)
SS Low
5V
-
Comparator
FAULT
FAULT
R
Q
Q
PGnd
+
S
60µA
2µA
0.7V
FAULT
Latch
V
CC
SS High
SS
Comparator
+
-
V
GATE(L)
2.5V
COMP
V
ID0
VID1
ERROR AMPLIFIER
+
PGnd
PWM
COMPARATOR
-
5 BIT
DAC
V
V
V
-
ID2
ID3
ID4
PWM Comp
Blanking
GATE(H) = ON
GATE(H) = OFF
Maximum
R
Q
Q
+
On-Time
Timeout
VCC
S
-8.5% +8.5%
C
OFF
Normal
PWM
Latch
One Shot
30µA
+
+
Off-Time
-
-
76mV
R
Extended
Off-Time
Timeout
C
OFF
Off-Time
Timeout
-
S
Q
+
PWRGD
I
65µS
SENSE
COMPARATOR
Delay
Edge Triggered
Time Out
Timer
-
V
FB
+
I
SENSE
LGnd
VFB LOW COMPARATOR
1V
6
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
