CS51221EDR16 ON Semiconductor, CS51221EDR16 Datasheet - Page 4

• Manufacturer Part Number: CS51221EDR16
• Description: IC CTRLR PWM FFVOLT MODE 16SOIC
• Manufacturer: ON Semiconductor

Specifications of CS51221EDR16

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 90%
• Voltage - Supply: 4.7 V ~ 15 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: Yes
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Topology: Buck, Flyback, Forward
• Output Voltage: - 0.3 V to + 15 V
• Output Current: 1000 mA
• Switching Frequency: 1000 KHz
• Duty Cycle (max): 90 %
• Fall Time: 25 ns
• Mounting Style: SMD/SMT
• Rise Time: 60 ns
• Synchronous Pin: Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: CS51221EDR16OSTR

ELECTRICAL CHARACTERISTICS
R
Reference Voltage
Error Amp
Oscillator
Synchronization
2. Guaranteed by design, not 100% tested in production.
T
Total Accuracy
Line Regulation
Load Regulation
Noise Voltage
Op Life Shift
Fault Voltage
V
V
Current Limit
Reference Voltage
V
Open Loop Gain
Unity Gain Bandwidth
COMP Sink Current
COMP Source Current
COMP High Voltage
COMP Low Voltage
PSRR
SS Clamp, V
COMP Max Clamp
Frequency Accuracy
Voltage Stability
Temperature Stability
Max Frequency
Duty Cycle
Peak Voltage
Valley Clamp Voltage
Valley Voltage
Discharge Current
Input Threshold
Output Pulse Width
Output High Voltage
Input Resistance
SYNC to Drive Delay
Output Drive Current
= 12 k; C
REF(OK)
REF(OK)
FB
Input Current
Voltage
Hysteresis
T
Characteristic
= 390 pF; unless otherwise specified.)
COMP
(−40°C < T
0 mA < I
0 mA < I
10 Hz < F < 10 kHz. Note 2
T = 1000 Hrs. Note 2
V
V
Note 2
Note 2
COMP = 1.4 V, V
COMP = 1.4 V, V
V
V
Freq = 120 Hz. Note 2
SS = 1.4 V, V
Note 2
−40°C < T
Note 2
Note 2
Note 2
100 mA Load
Time from SYNC to GATE Shutdown
R
FB
FB
FB
FB
SYNC
= COMP
= 1.2 V
= 1.15 V
= 1.45 V
= 1.0 W
REF
REF
A
J
< 85°C; −40°C < T
< 125°C. (Note 2)
< 2.0 mA
< 2.0 mA
FB
Test Conditions
http://onsemi.com
= 0 V, I
FB
FB
= 1.45 V
= 1.15 V
CS51221
−
−
−
−
−
−
−
−
−
−
−
−
−
SET
4
= 2.0 V
J
< 125°C; 3.0 V < V
C
< 15 V; 4.7 V < V
1.234
1.94
0.85
0.85
Min
260
200
100
3.2
2.8
2.9
2.0
1.5
3.0
1.0
2.8
1.3
1.7
1.0
0.9
0.9
2.1
1.0
30
60
75
60
80
35
−
−
−
−
−
−
−
1.263
2.95
3.05
0.95
Typ
100
125
273
320
140
3.3
6.0
6.0
4.0
1.3
1.6
3.1
1.4
1.8
1.0
8.0
2.0
1.0
1.0
1.4
2.5
1.5
50
40
12
85
85
70
−
−
−
CC
< 15 V;
1.285
Max
2.06
1.15
1.15
2.25
150
100
300
320
450
140
180
3.4
3.1
3.2
2.0
2.0
3.4
1.5
1.9
2.0
1.0
1.8
2.8
20
15
20
32
90
−
−
−
−
−
−
MHz
MHz
Unit
kHz
mV
mV
mV
mV
mA
mA
mA
mV
mA
mA
kW
mV
mA
dB
dB
ns
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V