CS5124XD8 ON Semiconductor, CS5124XD8 Datasheet - Page 4

• Manufacturer Part Number: CS5124XD8
• Description: IC CTRLR PWM CURRENT MODE 8-SOIC
• Manufacturer: ON Semiconductor

Specifications of CS5124XD8

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 440kHz
• Duty Cycle: 85%
• Voltage - Supply: 7.6 V ~ 20 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 440kHz
• Output Voltage: - 0.3 V to + 20 V
• Output Current: 200 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 440 KHz
• Operating Supply Voltage: 7.7 V to 20 V
• Maximum Operating Temperature: + 135 C
• Fall Time: 25 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 45 ns
• Synchronous Pin: No
• Topology: Flyback, Forward
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ELECTRICAL CHARACTERISTICS (continued)
I
SENSE
Soft−Start
Current Sense
Voltage Feedback
Output Gate Drive
Thermal Shutdown
3. Not tested in production. Specification is guaranteed by design.
Soft−Start Charge Current
Soft−Start Discharge Current
V
Peak Soft−Start Charge Voltage
Valley Soft−Start Discharge Voltage
First Current Sense Threshold
Second Current Sense Threshold
I
Leading Edge Blanking Time
Internal Offset
V
V
V
Maximum Sleep Pull−down Voltage
GATE High (AC)
GATE Low (AC)
GATE High Clamp Voltage
Rise Time
Fall TIme
Thermal Shutdown Temperature
Thermal Enable Temperature
Thermal Hysteresis
SENSE
SS
FB
FB
FB
Rise
Pull−up Res.
Clamp Voltage
Fault Voltage Threshold
Voltage when V
= 0 V, C
to GATE Prop. Delay
Characteristic
V(CC)
= 0.33 mF, C
FB
Begins to
GATE
= 1.0 nF (ESR = 10 W ; C
V
At max duty cycle
0 to 700 mV pulse into I
0 to 400 mV pulse into I
Note 3
V
Series resistance < 1.0 W (Note 3)
Series resistance < 1.0 W (Note 3)
V
Measure GATE rise time,
Measure GATE fall time,
(Note 3) GATE low
(Note 3) GATE switching
(Note 3)
FB
CC
CC
1.0 V < GATE < 9.0 V V
9.0 V > GATE > 1.0 V V
= 300 mV
= 6.0 V, I
= 20 V
OUT
(−40 C
Test Conditions
http://onsemi.com
= 1.0 mA
SS
SENSE
SENSE
T
−
−
−
−
−
−
−
J
= 470 pF; C
CC
CC
4
125 C; −40 C
= 12 V
= 12 V
(after blanking time)
V(FB)
= 100 pF, unless otherwise specified.)
T
A
105 C, 7.60 V
V
CC
1.40
2.63
Min
11.0
200
170
250
460
135
100
7.0
0.5
4.7
2.9
60
90
15
−
−
−
−
−
− 1.0
V
V
CC
CC
10.0
1.62
2.90
13.5
Typ
275
195
275
130
490
150
125
4.9
4.3
1.2
0.0
10
90
60
45
25
25
− 0.5
20 V, UVLO = 3.0 V,
Max
1.80
3.15
16.0
400
215
315
130
180
520
165
150
8.1
2.0
0.5
13
65
55
35
−
−
−
−
Unit
mA
mV
mV
mV
mV
mV
kW
mA
ns
ns
ns
ns
V
V
V
V
V
V
V
C
C
C