CS5302
PACKAGE PIN DESCRIPTION (continued)
PIN SYMBOL
PACKAGE PIN #
28 Lead SO Wide
13
FUNCTION
I
Sets threshold for current limit. Connect to reference through
a resistive divider.
LIM
Reference output. Decouple with 0.1 µF to LGND.
Power for GATE(H)2.
14
15
16
17
18
19
20
REF
V
CCH2
Gate(H)2
High side driver #2.
GND2
Return for #2 driver.
Gate(L)2
Low side driver #2.
V
CCL2
Power for GATE(L)2.
SS
Soft Start capacitor pin. The Soft Start capacitor controls
both Soft Start time and hiccup mode frequency. The COMP
pin is clamped below Soft Start during Start–Up and hiccup
mode.
21
22
LGND
Return for internal control circuits and IC substrate connection.
V
CCH1
Power for GATE(H)1. UVLO Sense for High Side Driver sup-
ply connects to this pin.
23
24
25
26
27
Gate(H)1
GND1
High side driver #1.
Return #1 drivers.
Low side driver #1.
Power for GATE(L)1.
Gate(L)1
V
CCL1
V
CCL
Power for internal control circuits. UVLO Sense for Logic
connects to this pin.
28
R
A resistor from this pin to ground sets operating frequency
OSC
and V bias current.
FB
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