CS5422GDWFR24 Ver la hoja de datos (PDF) - ON Semiconductor

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componentes Descripción

Fabricante

CS5422GDWFR24

Dual Out−of−Phase Synchronous Buck Controller with Current Limit

ON Semiconductor 

VCC

ROSC

CS5422

IS+1

IS−1

IS+2

IS−2

VCC

8.6 V

7.8 V

−

BIAS

CURRENT

SOURCE

GEN

RAMP1

RAMP2

BST

+

−−

70 mV

+

−−

70 mV

S

Q FAULT

Set

−

Dominant

+

R

− 0.25 V

E/A OFF

OSC

CLK1

CLK2

PWM

Comparator 1 −

+

FAULT

RAMP1

0.45 V

−

+

PWM

FAULT

Comparator 2

RAMP2

S

Reset

Dominant

R

S

Reset

Dominant

R

BST

VCC

GATE(H)1

GATE(L)1

BST

VCC

GATE(H)2

GATE(L)2

5.0 μA

1.0 V

E/A1

0.45 V

E/A OFF

−

1.2 mA

−

+ E/A2

1.0 V

FAULT

PGND

(24 Lead

pkg. only)

VFB1

COMP1 VFB2

Figure 2. Block Diagram

COMP2

LGND

GND

(24 Lead pkg. only) (16 Lead pkg. only)

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