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CS51221EDR16G Datasheet(PDF) 3 Page - ON Semiconductor

Part # CS51221EDR16G
Description  Enhanced Voltage Mode PWM Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS51221EDR16G Datasheet(HTML) 3 Page - ON Semiconductor

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CS51221
http://onsemi.com
3
MAXIMUM RATINGS
Rating
Value
Unit
Operating Junction Temperature, TJ
Internally
Limited
Lead Temperature Soldering:
Reflow: (SMD styles only) (Note 1)
230 peak
°C
Storage Temperature Range, TS
−65 to +150
°C
ESD (Human Body Model)
2.0
kV
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. 60 second maximum above 183
°C.
MAXIMUM RATINGS
Pin Name
Pin Symbol
VMAX
VMIN
ISOURCE
ISINK
Gate Drive Output
GATE
15 V
−0.3 V
1.0 A Peak, 200 mA DC
1.0 A Peak, 200 mA DC
Current Sense Input
ISENSE
6.0 V
−0.3 V
1.0 mA
1.0 mA
Timing Resistor/Capacitor
RTCT
6.0 V
−0.3 V
1.0 mA
10 mA
Feed Forward
FF
6.0 V
−0.3 V
1.0 mA
25 mA
Error Amp Output
COMP
6.0 V
−0.3 V
10 mA
20 mA
Feedback Voltage
VFB
6.0 V
−0.3 V
1.0 mA
1.0 mA
Sync Input
SYNC
6.0 V
−0.3 V
10 mA
10 mA
Undervoltage
UV
6.0 V
−0.3 V
1.0 mA
1.0 mA
Overvoltage
OV
6.0 V
−0.3 V
1.0 mA
1.0 mA
Current Set
ISET
6.0 V
−0.3 V
1.0 mA
1.0 mA
Soft−Start
SS
6.0 V
−0.3 V
1.0 mA
10 mA
Logic Section Supply
VCC
15 V
−0.3 V
10 mA
50 mA
Power Section Supply
VC
15 V
−0.3 V
10 mA
1.0 A Peak, 200 mA DC
Reference Voltage
VREF
6.0 V
−0.3 V
lnternally Limited
10 mA
Power Ground
PGND
N/A
N/A
1.0 A Peak, 200 mA DC
N/A
Logic Ground
LGND
N/A
N/A
N/A
N/A
ELECTRICAL CHARACTERISTICS (−40
°C < TA < 85°C; −40°C < TJ < 125°C; 3.0 V < VC < 15 V; 4.7 V < VCC < 15 V;
RT = 12 k; CT = 390 pF; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Start/Stop Voltages
Start Threshold
4.4
4.6
4.7
V
Stop Threshold
3.2
3.8
4.1
V
Hysteresis
Start−Stop
400
850
1400
mV
ICC @ Startup
VCC < UVL Start Threshold
38
75
mA
Supply Current
ICC Operating
9.5
14
mA
IC Operating
1.0 nF Load on GATE
12
18
mA
IC Operating
No Switching
2.0
4.0
mA


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