PRODUCT SPECIFICATION
RC5033
Pin Assignments
ON/OFF
IFB
VFB
VCCA
VCCD
VCCP
LODRV
GNDP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
65-5033-02
CEXT
GNDA
ADJ3
GNDD
ADJ2
ADJ1
VCCQP
HIDRV
Pin Definitions
Preliminary Information
Pin Name
On/Off
IFB
VFB
VCCA
VCCD
VCCP
LODRV
GNDP
HIDRV
VCCQP
ADJ1
ADJ2
GNDD
ADJ3
GNDA
CEXT
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Current Feedback Input.
Voltage Feedback Input.
Analog VCC.
Digital VCC.
Pin Function Description
A low level on this pin will power down; tie to VCCD if not used.
VCC for synchronous FET output drivers.
Synchronous FET driver output.
Power ground for high current drivers.
High side FET driver output.
VCC for High side FET output driver
VREF adjust pin.
1
VREF adjust pin.
1
Digital ground.
VREF adjust pin.
1
Analog ground.
External capacitor for setting oscillator frequency.
Note:
1. See voltage adjust table for function
Output Voltage Selection Table
VOUT
3.5V
3.35V
3.3V
2.9V
1
2.5V
1
2.0V
1
ADJ1
N/C
N/C
2
ADJ2
N/C
2
ADJ3
N/C
2
2
N/C
N/C
N/C
N/C
3.9K
2K
39
Ω
N/C
N/C
N/C
Note:
1. See Figure 3 for resistor connection.
2. Indicated short pins together.
2
RAYTHEON [ RAYTHEON COMPANY ]
