参数资料
型号: IP1206TRPBF
厂商: International Rectifier
文件页数: 14/30页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 30A/15A LGA
产品变化通告: (EP) Parts Discontinuation 25/May/2012
标准包装: 750
系列: iPOWIR™
类型: 降压(降压)
输出类型: 可调式
输出数: 1 或 2
输出电压: 0.8 V ~ 5.5 V
输入电压: 7.5 V ~ 14.5 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 600kHz
电流 - 输出: 30A,15A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 36-BFLGA
包装: 带卷 (TR)
供应商设备封装: 36-LGA(9.25x15.5)

i P1206PbF
Output Voltage
Tracking
and
In general the R A and R B set the output voltage
Sequencing
The iP1206 can accommodate a full spectrum of
user programmable tracking and sequencing
options using Track, Seq, Enable and Power
Good pins.
for the first output and R C and R D set the output
voltage for the second output.
For simultaneously vs. ratiometric, RE and RF
can be selected according to the table below:
Through these pins both simple voltage tracking
such as that required by the DDR memory
application and more sophisticated sequencing
such ratiometric or simultaneously can be
implemented.
The Seq pin controls the internal current sources
to set the power up or down sequencing, toggle
this pin high for power up and toggle this pin low
for power down.
The Track pin is used to determine the second
channel output for either ratiometric or
simultaneously by using two external resistors.
Fig. 12 shows how these pins are configured for
different sequencing mode.
3 V
I SS1 = 28uA
64uA
SS1/SD1
C SS1
I hiccup1 = 3uA
POR
OCP1
simultaneously
Set R E = R C
And R F = R D
ratiometric
Set R E = R A
And R F = R B
V o1
Seq
Fig. 13: Ratiometric Power up /down
R A
R B
Fb1
VP1
E/A1
V REF
3 V
I SS2 = 28uA
64uA
SS2/SD2
Floating
OCP2
R C
R D
V o 2
Fb2
POR
I hiccup2 = 3uA
E/A2
Fig. 14: Simultaneously Power Up / down
V o1
R E
R F
Track
VP2
VREF
Fig.12: Using Seq and Track pin for different sequencing
www.irf.com
2/26/2008
14
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