CS51021AEDR16 ON Semiconductor, CS51021AEDR16 Datasheet - Page 6

• Manufacturer Part Number: CS51021AEDR16
• Description: IC CTRLR PWM ENHANCE SYNC 16SOIC
• Manufacturer: ON Semiconductor

Specifications of CS51021AEDR16

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 83%
• Voltage - Supply: 8.2 V ~ 20 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: Yes
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Duty Cycle (max): 83 %
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 1000 KHz
• Operating Supply Voltage: - 0.3 V to + 20 V
• Maximum Operating Temperature: + 150 C
• Fall Time: 15 ns
• Rise Time: 60 ns
• Synchronous Pin: Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: CS51021AEDR16OSTR

SLEEP
SLOPE
I
COMP
LGND
SYNC
SENSE
R
I
V
T
V
SET
OV
CC
C
FB
T
53 mA
2.5 V
V
Q
+
−
REF
−
2
+
+
−
+
Start
Stop
−
V
2.0 V
12.5 mA
0.1
0.8
REF
4.3 V
+
SS
Clamp
−
+
−
E/A
−
CS51021A, CS51022A, CS51023A, CS51024A
+
V
−
V
Monitor
+
Σ
CC
FB
2.5 V
_OK
200 ns
−
0.1 V
V
REF
+
D
2
= 5.0 V
G
D
4
1
+
OV
Monitor
−
1.33
OSC
−
I
Clamp
+
Figure 2. Block Diagram
SET
DISABLE
http://onsemi.com
20 k
55 ns
Blank
10 k
D
3
6
4.75 V
+
−
V
2nd
Threshold
−
PWM
Comp
+
ISENSE
+
−
V
−
+
REF
_OK
Monitor
G
1
SS
−
+
FAULT
G
S
R
+
−
3
F
1
Q
Monitor
4.7 V
1.45 V
Discharge
UV
Latch
+
−
G
2
D
4
V
REF
+
−
55 mA
13.5 V
ZD
1
V
V
GATE
PGND
SS
UV
REF
C