参数资料
型号: ISL9112IRT7Z-T7A
厂商: Intersil
文件页数: 16/20页
文件大小: 0K
描述: IC REG BUCK BOOST SYNC 5V 12TDFN
标准包装: 1
类型: 降压(降压),升压(升压)
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 1.8 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 2.5MHz
电流 - 输出: 1.2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 12-TDFN-EP(3x3)
其它名称: ISL9112IRT7Z-T7ADKR
ISL9110, ISL9112
SCL FROM
MASTER
SDA OUTPUT FROM
1
8
9
HIGH IMPEDANCE
TRANSMITTER
SDA OUTPUT
FROM RECEIVER
START
HIGH IMPEDANCE
ACK
FIGURE 29. ACKNOWLEDGE RESPONSE FROM RECEIVER
IS L 9 1 1 2 I 2 C W R IT E P R O T O C O L
SYSTEM HOST
S
0
0
1
1
1
0
0
0
A
0
0
0
0
0
0
0
0
A
DATA BYTE
A
P
IS L 9 1 1 2
A – ACKNOW LEDGE
I 2 C S L A V E
7 -B IT A D D R E S S
R /W
R E G IS T E R
A D D R ES S = 0x00
DCDV1
(5 B IT S )
N – NOT
ACKNOW LEDGE
S – START
P – STOP
FIGURE 30. I 2 C REGISTER WRITE PROTOCOL
ISL9112 I 2 C READ PROTOCOL #1
S 0 0 1 1 1 0 0 0 A
0
0
0
0
0
0
0
0 A
S
0
0
1
1
1
0
0
1 A
DATA BYTE
N
P
SYSTEM
HOST
ISL9112
I C SLAVE
I C SLAVE
2
7-BIT ADDRESS
R/W
REGISTER
ADDRESS = 0x00
2
7-BIT ADDRESS
R/W
DCDV1
(5 BITS)
A – ACKNOWLEDGE
N – NOT
ACKNOWLEDGE
S – START
P – STOP
ISL9112 I 2 C READ PROTOCOL #2
S
0
0
1
1
1
0
0
0 A
0
0
0
0
0
0
0
0 A
P
S
0
0
1
1
1
0
0
1 A
DATA BYTE
N
P
I 2 C SLAVE
7-BIT ADDRESS
R/W
REGISTER
ADDRESS = 0x00
I 2 C SLAVE
7-BIT ADDRESS
R/W
DCDV1
(5 BITS)
FIGURE 31. I 2 C REGISTER READ PROTOCOL
16
FN7649.2
July 13, 2012
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