IRU3037CSPBF International Rectifier, IRU3037CSPBF Datasheet - Page 15

• Manufacturer Part Number: IRU3037CSPBF
• Description: IC CONTROLLER PWM SW SYNC 8SOIC
• Manufacturer: International Rectifier

Specifications of IRU3037CSPBF

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 220kHz
• Duty Cycle: 95%
• Voltage - Supply: 5 V ~ 12 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 220kHz
• Package: 8-Pin SOIC(NB)
• Circuit: Sync PWM Controller
• Vcc (min): 4.0
• Vcc (max): 25
• Vout (min): 1.25
• Vout (max): Vcc * 0.96
• Iout (a): 16
• Switch Freq (khz): 200kHz
• Pbf: PbF Option Available
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL APPLICATION
Dual Supply, 5V Bus and 12V Bias Input
12V
5V
Figure 18 - Typical application of IRU3037 or IRU3037A in an on-board DC-DC converter providing the Core,
2200pF
2200pF
0.1uF
0.1uF
C14
C13
14K
14K
C7
C8
R2
R5
C10
1uF
1uF
C4
SS/SD
SS/SD
Comp
Comp
Vcc
Vcc
IRU3037
IRU3037
GTL+, and Clock supplies for the Pentium II microprocessor.
Gnd
Gnd
U1
U2
Vc
Vc
HDrv
HDrv
LDrv
LDrv
Fb
Fb
1%
C1
1uF
R3
C11
1uF
1K
R6
1K, 1%
www.irf.com
Q1
1/2 of IRF7752
Q2
1/2 of IRF7752
Q4
1/2 of IRF7752
Q3
1/2 of IRF7752
1.65K, 1%
1K, 1%
R1
R4
CTX5-2P, 3.5uH @ 2.5A
CTX5-1P, 3.4uH @ 2A
C9
10TPB100M, 100uF,
55m Ω , 1.5A rms
C2
10TPB100M, 100uF,
55m Ω , 1.5A rms
IRU3037/IRU3037A & (PbF)
CTX5-2P, 3.5uH @ 2.5A
CTX10-5P, 5.7uH @ 2.5A
L2
L3
L2
1uH
L1
C1
47uF
C6
6TPB150M, 150uF, 55m Ω
C12
6TPB150M, 150uF, 55m Ω
6TPB150M, 150uF, 55m Ω (Qty 2)
6TPB150M, 150uF, 55m Ω (Qty 1)
IRU1206-18
C6
C3
47uF
3.3V/1.8A
1.8V/1A
2.5V/2A
15