l5953 STMicroelectronics, l5953 Datasheet - Page 17

• Manufacturer Part Number: l5953
• Description: Multiple Switching Voltage Regulator
• Manufacturer: STMicroelectronics

L5953
Figure 10. HSD
Figure 11. PWM
Figure 12. SPI & IRQ
OSCILLATOR
FROM THE
1.275V
VREF
CONTROLLER
CONTROLLER
CONTROLLER
PWM
HSD1
HSD2
ERROR AMPLIFIER
CURRENT
SENSING
INTERFACE
SPI
D03AU1481
POWER
POWER
HSD1
HSD2
MOS
MOS
D03AU1482
D01AU1333
VDD-SW
POWER
MOS
HSD1
VDD-LIN
HSD2
R
R
IRQ
S
Q
D
C
DGND
S2
S1
STRAP
COMP
FB
DRAINOUT
VSW
GATEIN
GATEOUT
Internal pin connections
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