CS5124XD8 ON Semiconductor, CS5124XD8 Datasheet - Page 3

• 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
I
SENSE
General
Low V
UVLO
V
400 kHz Oscillator
2. Not tested in production. Specification is guaranteed by design.
I
I
I
V
V
V
Sleep Threshold Voltage
Sleep Threshold Voltage
Sleep Hysteresis
UVLO Turn−off Threshold Voltage
UVLO Turn−on Threshold Voltage
UVLO Hysteresis
UVLO Hysteresis
UVLO Input Bias Current
UVLO Clamp
V
BIAS Minimum Voltage
BIAS Clamp
Difference between Regulated V
Operating Frequency
Max Duty Cycle Clamp
Slope Compensation
CC
CC
CC
CC
CC
CC
CC
CC
& V
Clamp and BIAS Pin
Operating − V
at V
Sleep
Turn−on Threshold Voltage
Turn−off Threshold Voltage
Hysteresis
Clamp Voltage
= 0 V, C
CC
CC
CC
Lockout
Turn−on Threshold Voltage
Characteristic
Low
V(CC)
GATE
= 0.33 mF, C
not switching
GATE
CC
= 1.0 nF (ESR = 10 W ; C
V
V
UVLO decreasing
UVLO increasing
(Note 2)
(Note 2)
Turn−on − Turn−off (−40 C
Turn−on − Turn−off (100 C
With UVLO sinking 1.0 mA
Connect an NFET as follows: BIAS = G, V
36 V
Measure Voltage on BIAS with:
With BIAS pin sinking 1.0 mA
(V
(−40 C
CC
UVL
R = 500 k
10 V
CC
= 6.0 V
Clamp Voltage) − (V
= 1.0 V
V
IN
V
CC
T
J
60 V, 200 nF
125 C; −40 C
20 V & 50 mA
Test Conditions
http://onsemi.com
SS
−
−
−
−
−
−
−
−
−
= 470 pF; C
CC
3
T
T
C
Turn−on Threshold)
J
J
SS
I
BIAS
T
100 C) (Note 2)
125 C) (Note 2)
A
500 nF,
105 C, 7.60 V
V(FB)
1.0 mA
= 100 pF, unless otherwise specified.)
CC
= S, V
V
IN
CC
7.275
2.50
−1.0
80.0
= D.
Min
350
170
100
360
7.2
6.8
1.5
2.3
5.0
1.6
35
50
12
15
−
−
−
−
20 V, UVLO = 3.0 V,
1.88
2.45
2.63
82.5
Typ
500
210
425
185
185
400
7.7
7.3
1.8
7.5
7.9
2.8
10
85
15
21
−
−
8.625
Max
2.45
2.76
85.0
750
275
500
150
200
400
440
8.3
7.8
2.3
2.6
1.0
4.0
13
12
20
26
−
mV/m
Unit
kHz
mA
mV
mV
mV
mV
mV
mA
mA
mA
%
V
V
V
V
V
V
V
V
V
V