SMM605
Preliminary Information
PIN DESCRIPTIONS
Pin
Pin
Pin Name
VMA
Pin Description
Number1
Type
41
36
31
26
21
VMB
VMC
VMD
VME
VMF
Voltage monitor pin. Connect to the DC-DC converter + sense line or +Vout
pin.
IN
16
44
39
34
29
24
19
45
40
35
30
25
20
48
TRIMA
TRIMB
TRIMC
TRIMD
TRIME
TRIMF
Output voltage used to margin and/or trim converter voltages. Connect to the
converter Trim input or to the VADJ or FB pin of an adjustable output switching
regulator or LDO through a resistor.
OUT
TRIM_CAPA
TRIM_CAPB
TRIM_CAPC
TRIM_CAPD
TRIM_CAPE
TRIM_CAPF
External sample and hold capacitor input used to set the voltage on the TRIM
pins.
I/O
IN
VDD_CAP
12VIN
External capacitor input used to filter the internal supply rail.
PWR
12V power supply input internally regulated to 3.6 or 5.5V. Input range is 6V to
14V using the 3.6V internal regulator setting and 10V to 14V using the 5.5V
internal regulator setting.
47
PWR
GND
VDD
GND
2.7V to 5.5V Power supply of the part.
46
Ground of the part.
5,6,12,13
Summit Microelectronics, Inc
2064 1.1 09/16/03
4
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
