IR1176S International Rectifier, IR1176S Datasheet - Page 4

• Manufacturer Part Number: IR1176S
• Description: IC DRIVER SYNC 5V 4A 20-SSOP
• Manufacturer: International Rectifier

Specifications of IR1176S

• Configuration: Low-Side
• Input Type: Non-Inverting
• Current - Peak: 4A
• Number Of Configurations: 2
• Number Of Outputs: 2
• Voltage - Supply: 4 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Delay Time: -
• High Side Voltage - Max (bootstrap): -

IR1176
Lead Definitions and Assignments
Symbol Description
AVDD
Q1
DTOUT1 Output - sets dead time for Q1 output - used with DTIN1
DTIN1
RADV1
VFLTR1
RVCO1
X1
VDD
UVSET
RBIAS
AVSS
X2
RVCO2
VFLTR2
RADV2
DTIN2
DTOUT2 Output - sets dead time for Q2 - used with DTIN2
VSS
Q2
4
10
1
2
3
4
5
6
7
8
9
*VDD
UVSET
Q1
DTOUT2
RADV1
DTIN2
VFLTRI
RVCO1
X1
AVDD
(SSOP-20)
IR1176S
Power - + 5 V
Output - gate drive for Q1 power MOSFET
Input - sets dead time for Q1 - used with DTOUT1
Output - sets lead time (advance) for Q1
Output - PLL loop filter for Q1 output
Output - sets PLL center frequency for Q1 output
Input - transformer input for Q1
Power - +5 Vdc for internal logic
Input - sets UVLO+
outputs will be at Vss (disabled)
Output - connected to 34.0K +/- 1% resistor - sets operating current
Ground for MOSFET driver supply (VDD)
Input - transformer input for Q2
Output - sets PLL center frequency for Q2 output
Output - PLL loop filter for Q2
Output - sets lead time (advance) for Q2
Input - sets dead time for Q2 - used with DTOUT2
Ground for logic supply (AVDD)
Output - gate drive for Q2 power MOSFET
DTOUT1
VFLTR2
RVCO2
RADV2
RBIAS
DTIN1
AVSS
VSS
Q2
X2
20
19
18
17
16
15
14
13
12
11
DC
to MOSFET drivers
If this pin is pulled below 1.25VDC externally, then both Q1 and Q2
10
1
2
3
4
5
6
7
8
9
SOIC (wide body)
*VDD
Q1
DTOUT2
RADV1
UVSET
DTIN2
VFLTRI
RVCO1
X1
AVDD
IR1176SS
DTOUT1
VFLTR2
RADV2
RVCO2
DTIN1
RBIAS
AVSS
VSS
Q2
X2
20
19
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
9
*VDD
Q1
DTOUT2
RADV1
UVSET
DTIN2
VFLTRI
RVCO1
X1
AVDD
IR1176
PDIP
DTOUT1
VFLTR2
RVCO2
RADV2
DTIN1
RBIAS
AVSS
VSS
www.irf.com
Q2
X2
20
19
18
17
16
15
14
13
12
11