SMB110

Preliminary Information

Summit Microelectronics, Inc

2099 2.3 3/1/2005

4

SMB110

COMP2_CH3

VM_CH3

GND

VBATT

nRESET

SDA

SCL

+0.8V to 0.9 x VIN @ 2A

1.1 x VIN to 10 xVIN @ UP TO 1A

+2.7 to +6.0V

VDDCAP

COMP2_CH1

COMP1_CH1

LSDRV_CH0

VREFOUT

COMP2_CH0

-0.8V to -10 x VIN @ UP TO 1A

HVSUP3

COMP1_CH0

PWREN0

LSDRV_CH3

LSDRV_CH1

COMP1_CH3

HSDRV_CH3

COMP2_CH2

VM_CH2

+0.8V to 0.9 x VIN @ 2A

HVSUP2

LSDRV_CH2

COMP1_CH2

HSDRV_CH2

PCHSEQ_CH1

HOST_RESET

DRVGND

HEALTHY

VSTANDBY

LDO_SUPPLY

3.3V @ 20mA

TYPICAL APPLICATION

Figure 2 – Typical application schematic showing external circuitry necessary to configure the SMB110

channels as: step-up, step-down, and inverting outputs