NCP5425DBR2G Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Lista de partido
NCP5425DBR2G Datasheet PDF : 22 Pages
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ROSC
VFB1
COMP1
VCC
VFB2
VREF2
COMP2
NCP5425
IRAMP1
OSCILLATOR
AND
RAMP
IRAMP2
CLK1
3.1 V
CURRENT
GENERATOR
CLK2
LNDM
RAMP1
IRAMP1
BST
Low noise disable mode
(pull ROSC high to activate)
REFERENCE
AND BIAS
3.1 V
0.8 V
3.1 V
−
+
−+ 0.8 V
−
+
EA1
RAMP1
+ 0.3 V
PWM
COMP1
+
−−
COMP1 CLAMP
REFERENCE
CLK1 S
Q
Reset
Dominant
R
Q
LNDM
LNDM
OC1
+
−
−
UVLO
+
−+ 4.2 V
4.0 V
3.1 V
UVLO
−
+
−
+
EA2
RAMP2
+ 0.3 V
PWM
COMP2
+
−−
3.1 V
OC2
+
−
CLK2 S
Q
Reset
Dominant
R
Q
LNDM
LNDM
UVLO
COMP2
CLAMP
REFERENCE
3.1 V
3.1 V
S/D
Single
or dual
output
mode
3.1 V
IRAMP2
RAMP2
VCC
+−
70 mV
+−
70 mV
BST
VCC
GATE(H)1
GATE(L)1
IS+1
IS−1
IS+2
IS−2
GATE(H)2
GATE(L)2
GND
MODE
Figure 2. Block Diagram
http://onsemi.com
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