TPS61085-Q1 Datasheet, PDF (4/22 Pages) Texas Instruments – 650-kHz/1.2-MHz 18.5-V STEP-UP DC-DC CONVERTER

TPS61085T-Q1
SLVSAI9 – SEPTEMBER 2010
PIN ASSIGNMENT
DGK PACKAGE
(TOP VIEW)
COMP ₁
FB 2
EN 3
PGND 4
8 ^SS
7 ^FREQ
6 IN
5 SW
8-PIN 4.9mm x 3mm x 1.1mm MSOP (DGK)
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TERMINAL
NAME NO.
COMP
1
FB
2
EN
3
PGND
4
SW
5
IN
6
FREQ
7
SS
8
TERMINAL FUNCTIONS
I/O
DESCRIPTION
I/O Compensation pin
I Feedback pin
I Shutdown control input. Connect this pin to logic high level to enable the device
Power ground
Switch pin
Input supply pin
I Frequency select pin. The power switch operates at 650 kHz if FREQ is connected to GND and at 1.2 MHz if
FREQ is connected to IN
Soft-start control pin. Connect a capacitor to this pin if soft-start needed. Open = no soft-start
4
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