IRS2548D
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12
Lead Definitions
Symbol Description
VBUS DC Bus Sensing Input
FMIN Oscillator Minimum Frequency Setting
COMP PFC Error Amplifier Compensation
ZX PFC Zero-Crossing Detection
PFC PFC Gate Driver Output
OC PFC Current Sensing Input
ENN Enable / PWM Dimming Input
CS Half-Bridge Current Sensing Input
LO Low-Side Gate Driver Output
COM IC Power & Signal Ground
VCC Logic & Low-Side Gate Driver Supply
VB High-Side Gate Driver Floating Supply
VS High Voltage Floating Return
HO High-Side Gate Driver Output
Lead Assignments
13
12
11
10
9
COM
VCC
VB
VS
HO
1
2
3
VBUS
4
5
7
COMP
FMIN
6
7
PFC
ZX
8
ENN
LO
CS
14
OC
