CS5106 Cherry Semiconductor Corporation, CS5106 Datasheet - Page 5

• Manufacturer Part Number: CS5106
• Description: Multi-Feature/ Synchronous plus Auxiliary PWM Controller
• Manufacturer: Cherry Semiconductor Corporation

Electrical Characteristics: T
wise specified. For All Specs: UVSD=6V, OVSD = 0V, ENABLE = 0V, I
Current Limit Circuits
I
Voltage
I
Voltage
I
I
Threshold V
I
Threshold Voltage
I
Voltage Feedback Control
RAMP1 Offset Voltage
RAMP1 Input Bias Current
RAMP2 Offset Voltage
RAMP2 Input Bias Current
V
V
Gate1,2,2B Output Voltages
GATE1 Low State
GATE2 Low State
GATE2B Low State
GATE2B High State
GATE2 High State
GATE1 High State
Propagation Delays
I
I
RAMP1 Delay to Output GATE1 Measure delay from RAMP1 going
RAMP2 Delay to Output GATE2 Measure delay from RAMP2 going
LIM1
LIM1
LIM1
LIM2
LIM2
LIM2
LIM1
LIM2
FB1
FB2
Input Impedance
Input Impedance
Short Circuit Threshold
Current Limit Threshold
Input Bias Current
Current Limit
Short Circuit
Input Bias Current
Delay to Output GATE1
Delay to Output GATE2
PARAMETER
J
= -40¡C to 125¡C, V
Adjust I
GATE1 goes low.
Adjust I
GATE1 skips 2-cycles with reference
Set I
out of I
Adjust I
GATE2 goes low.
Adjust I
GATE2 skips 2-cycles with reference
to SYNC
Set I
V
until GATE1 goes low. Measure V
Set RAMP1 = 0V. Measure Current
out of RAMP1 lead.
V
0V-3V until GATE2 goes low.
Measure V
Set RAMP2 = 0V. Measure Current
out of RAMP2 lead.
Measure input impedance.
Measure Input impedance.
V
PROGRAM = 0V. Measure GATE1
PROGRAM = 0V. Measure GATE2
voltage when sinking 1mA.
PROGRAM = 0V. Measure GATE2B
voltage when sinking 1mA.
Measure V
when sourcing 1mA.
Measure V
when sourcing 1mA.
Measure V
when sourcing 1mA.
Measure delay from I
high to GATE1 going low.
high to GATE1 going low.
high to GATE2 going low.
to SYNC
of I
voltage when sinking 1mA.
Measure delay from I
high to GATE2 going low.
FB1
FB2
SS
LIM2
= 12V. V
TEST CONDITIONS
LIM1
LIM 2
=0V. Adjust RAMP1 from 0V - 0.3V
= 0V. Adjust RAMP2 from
LIM1
LIM1
LIM1
LIM2
LIM2
=0V. Measure current
OUT
= 0V. Measure current out
lead.
OUT.
SS
RAMP2
CC
CC
CC
lead.
.
= 9 to 16V, V
from 1.30V - 1.50V until
from 1.0V - 1.3V until
from 1.30V - 1.50V until
from 1.0V - 1.3V until
CC
- GATE2B voltage
- GATE1 voltage
- GATE2 voltage
= V
.
SS
LIM1
LIM2
- V
5
DON
5REF
going
going
I
LOAD
LIM(1,2)
RAMP1
= 2mA, SYNC
.
= 0,V
MIN
1.16
1.35
1.16
1.35
0.08
60.0
60.0
0.08
FB(1,2)
OUT
= 3V,R
Free Running, unless other-
120.0
120.0
TYP
1.24
1.44
0.50
1.24
1.44
0.50
0.13
0.50
0.13
0.50
0.15
0.18
0.18
1.65
1.65
1.65
80.0
80.0
80.0
80.0
FADJ
= R
MAX
220.0
220.0
120.0
100.0
115.0
100.0
DLYSET
1.30
1.51
5.00
1.30
1.51
5.00
0.20
0.20
5.00
0.80
0.80
0.80
2.00
2.00
2.00
5.00
= 27.4k½.
UNIT
µA
µA
µA
µA
k½
k½
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V