IRU3037CSPBF International Rectifier, IRU3037CSPBF Datasheet - Page 15
IRU3037CSPBF
Manufacturer Part Number
IRU3037CSPBF
Description
IC CONTROLLER PWM SW SYNC 8SOIC
Manufacturer
International Rectifier
Datasheet
1.IRU3037CSTRPBF.pdf
(21 pages)
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