CS5166
Electrical Characteristics: 0˚C < T
A
< 70˚C; 0˚C < T
J
< 125˚C; 8V < V
CC
< 14V; 2.0V DAC Code
(V
ID4
= V
ID3
= V
ID2
= V
ID1
=0, V
ID0
= 1), C
GATE(H
) = C
GATE(L)
= 3.3nF, C
OFF
= 330pF, C
SS
= 0.1µF; Unless otherwise stated.
THRESHOLD ACCURACY
LOWER THRESHOLD
MIN
TYP
MAX
UPPER THRESHOLD
MIN
TYP
MAX
UNITS
% of Nominal V
ID
Code
s
DAC CODE
V
ID4
V
ID3
V
ID2
V
ID1
V
ID0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
0
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
-12
-8.5
-5
5
8.5
12
%
2.134
2.046
1.958
1.870
1.826
1.782
1.738
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
2.218
2.127
2.035
1.944
1.898
1.8520
1.807
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
2.303
2.208
2.113
2.018
1.971
1.923
1.876
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
2.546
2.441
2.336
2.231
2.178
2.126
2.073
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
2.631
2.522
2.414
2.305
2.251
2.197
2.142
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
2.716
2.604
2.492
2.380
2.324
2.268
2.212
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
V
V
V
V
V
V
V
Note 1: Guaranteed by design, not 100% tested in production
Block Diagram
-
V
CC
Monitor
+
V
CC
3.95V
3.87V
5V
60µA
0.7V
-
+
SS Low
Comparator
V
GATE(H)
R
S
Q
Q
FAULT
FAULT
PGnd
SS
2µA
2.5V
ERROR AMPLIFIER
+
+
-
SS High
Comparator
FAULT
Latch
V
CC
V
GATE(L)
PGnd
COMP
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
-8.5%
5 BIT
DAC
PWM
COMPARATOR
-
+
-
PWM Comp
Blanking
Maximum
On-Time
Timeout
R
S
Q
Q
GATE(H) = ON
GATE(H) = OFF
V
CC
+8.5%
-
-
76mV
30µA
-
Normal
Off-Time
Extended
Off-Time
Timeout
PWM
Latch
Off-Time
Timeout
COFF
One Shot
R
S
Q
+
+
C
OFF
PWRGD
+
65µS
Delay
COMPARATOR
-
+
I
SENSE
V
FB
I
SENSE
LGnd
1V
Time Out
Timer
Edge Triggered
V
FB
LOW COMPARATOR
6
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
