CS51221 Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
CS51221 Datasheet PDF : 14 Pages
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CS51221
VCC
+
UVL
−
VREF = 3.3 V
ENABLE
3.3 V
−
VREF OK
+
− UV Lockout
Start/Stop
3.1 V
+
S
SYNC
RTCT
OSC
2.0 V to 1.0 V Trip Points
VBG
3.0 V
(1.263 V)
−
+
EAMP
+
VFB
−
Max Duty Cycle
(Sat Sense)
SS to 1.8 V Max
+
COMP
−
Soft−Start Clamp
G2 R
PWM
+ Comp
−
2.0 mA (maximum load current)
VREF
Thermal
Shutdown
VC
Low Sat
Gate Driver
Q
G1
GATE
Q
13.5 V
VREF
50 mA
PGND
LGND
ON
FF
ISET
ISENSE
FF Discharge
VO Off
Latching
G4
Discharge
SS
5.0 mA
G3
OV Monitor +
OV
Max SS
Det
3.0 V
+
−
−
2.0 V
DISABLE 150 ns
Blank
ILIM
−
+
(Sat Sense)
UV Monitor
−
UV
+
1.0 V
Figure 2. Block Diagram
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