CS5106
Electrical Characteristics: T
J
= -40¡C to 125¡C, V
SS
= 9 to 16V, V
5REF
I
LOAD
= 2mA, SYNC
OUT
Free Running, unless other-
wise specified. For All Specs: UVSD=6V, OVSD = 0V, ENABLE = 0V, I
LIM(1,2)
= 0,V
FB(1,2)
= 3V,R
FADJ
= R
DLYSET
= 27.4k�½.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
V
SS
Supply Current
Measure current into V
SS
when
V
5REF
I
LOAD
=0mA. 9V ² V
SS
² 13V.
Measure current into V
SS
when
V
5REF
I
LOAD
=0mA. 13V < V
SS
² 16V.
Measure current into V
SS
when
V
5REF
I
LOAD
=0mA. 16V < V
SS
² 20V.
Float V
SS
. Set V
CC
=7V & measure
V
CC
current while V
5REF
I
LOAD
=0mA.
16.00
16.00
16.00
23.00
25.00
30.00
mA
mA
mA
s
Low V
CC
Supply Current
1.50
3.50
mA
s
V
SS
TO V
CC
DIODE
Diode ON Voltage
s
Reference
5V Internal Voltage Reference
V
REF
OK Threshold
Measure V
SS
- V
CC
.
0.20
0.75
1.00
V
Measure V
REF
voltage when
I
REF
=0 and I
REF
=20 mA.
Adjust V
REF
from 4.8V-4.0V until
PWM1,2 goes low.
4.85
4.30
5.00
4.55
5.15
4.70
V
V
s
Low V
CC
Lockout
V
CC
Turnon Threshold Voltage
V
CC
Turnoff Threshold Voltage
Hysteresis
s
Clock
Operating Frequency1
SYNC
IN
Input Impedance
SYNC
OUT
Output Low Voltage
SYNC
OUT
Output High
Voltage
SYNC
IN
Detect Frequency
V
CC
increasing until I
CC
> 3.5mA
V
5REF
I
LOAD
= 0mA
V
CC
decreasing until I
CC
< 3.5mA
V
5REF
I
LOAD
= 0mA
Turnon - Turnoff
7.00
6.30
0.40
7.25
6.70
0.55
7.50
7.10
0.70
V
V
V
Measure frequency from SYNC
OUT
.
Measure input impedance.
R
LOAD
= 2k�½ to V
5REF
R
LOAD
= 2k�½ to Gnd
485.0
7.00
3.50
425.0
512.0
15.00
1.00
4.20
540.0
1.50
kHz
k�½
V
V
kHz
kHz
kHz
Verify SYNC
OUT
= SYNC
IN
,
R
LOAD
= 2k�½ to Gnd
Max. Low SYNC Rej. Frequency Verify SYNC
OUT
= FCLK when
R
LOAD
= 2k�½ to Gnd.
Min. High SYNC Rej. Frequency Verify SYNC
OUT
= FCLK when
R
LOAD
= 2k�½ to Gnd.
SYNC
IN
Input Threshold
Functional Testing
Voltage
Verify FCLK from 1.0V to 2.8V.
Main PWM Clock Pulse
(GBD) - CLPH1
Width
One Shot Pulse Width
Aux PWM Clock Pulse
(GBD) -CLPH2
Width
One Shot Pulse Width
555.0
340.0
690
0.90
1.85
2.90
V
80.0
80.0
100.0
100.0
120.0
120.0
ns
ns
s
Bias Supply Error Amplifier
Output Low Voltage
Output High Voltage
Output High Source Current
V
SS
> 12.6V. Measure OAOUT
voltage when sinking 1.0 mA.
V
SS
< 11.4V. Measure OAOUT
voltage when sourcing 150µA.
V
SS
< 11.4V. Measure OAOUT source
current when OAOUT = 0.5V.
3
43.0
4.55
150.0
4.75
225.0
85.0
mV
V
300.0
µA
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
