参数资料
型号: ISL9305IRTHWCNYZ-T
厂商: Intersil
文件页数: 12/17页
文件大小: 661K
描述: IC REG QD BUCK/LINEAR 16TQFN
产品培训模块: Patient Monitoring and Diagnostic Equipment Solutions
标准包装: 6,000
拓扑: 降压(降压)(2),线性(LDO)(2)
功能: 任何功能
输出数: 4
频率 - 开关: 3MHz
电压/电流 - 输出 1: 0.8 V ~ 5.5 V,800mA
电压/电流 - 输出 2: 0.8 V ~ 5.5 V,800mA
电压/电流 - 输出 3: 0.9 V ~ 3.3 V,350mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 1.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(4x4)
包装: 带卷 (TR)
ISL9305H
12
FN7724.1
October 5, 2011
DCD1 AND DCD2 CONTROL REGISTER
DCD_PARAMETER, address 0x04h
SYSTEM CONTROL REGISTER
SYS_PARAMETER, address 0x05h
DCD OUTPUT VOLTAGE SLEW RATE CONTROL
REGISTER
DCD_SRCTL, address 0x06h
TABLE 6. DCD_PARAMETER REGISTER
BIT  NAME  ACCESS RESET
DESCRIPTION
B7    -
-    0
Reserved
B6 DCD_PHASE  R/W   0  DCD1 and DCD2 PWM switch
selection. 0-in phase; 1 to 180?
out-of-phase.
B5 DCD2_ULTRA R/W   0  Ultrasonic feature under PFM mode
for DCD2. 0-disabled; 1-enabled.
B4 DCD1_ULTRA R/W   0  Ultrasonic feature under PFM mode
for DCD1. 0-disabled; 1-enabled.
B3 DCD2_BLD  R/W   1  Selection of DCD2 for active output
voltage discharge when disabled.
0-disabled; 1-enabled.
B2 DCD1_BLD  R/W   1  Selection of DCD1 for active output
voltage discharge when disabled.
0-disabled; 1-enabled.
B1 DCD2_MODE R/W   1  Selection on DCD2 of auto
PFM/PWM mode (=1) or forced
PWM mode (=0).
B0 DCD1_MODE R/W   1  Selection on DCD1 of auto
PFM/PWM mode (=1) or forced
PWM mode (=0).
TABLE 7. SYS_PARAMETER REGISTER
BIT  NAME  ACCESS RESET
DESCRIPTION
B7   -
-   0  Reserved
B6  I
2
C_EN  R/W  0  I
2
C function enable. 0-disabled;
1-enabled
B5 DCDPOR_1 R/W  1  DCDPG Delay Time Setting,
DCDPG[1:0]:
00 to 1ms
01 to 50ms
10 to 150ms
11 to 200m
B4 DCDPOR_0 R/W  0
B3 LDO2_EN  R/W  1  LDO2 enable selection. 0-disable,
1-enable.
B2 LDO1_EN  R/W  1  LDO1 enable selection. 0-disable,
1-enable
B1 DCD2_EN  R/W  1  DCD2 enable selection. 0-disable,
1-enable.
B0 DCD1_EN  R/W  1  DCD2 enable selection. 0-disable,
1-enable
TABLE 8. DCD OUPUT VOLTAGE SLEW RATE CONTROL REGISTER
BIT  NAME  ACCESS RESET
DESCRIPTION
B7 DCD2SR_2 R/W   0  DCD2 Slew Rate Setting, DCD2SR[2:0]:
000 to 0.225mV/祍
001 to 0.45mV/祍
010 to 0.90mV/祍
011 to 1.8mV/祍
100 to 3.6mV/祍
101 to 7.2mV/祍
110 to 14.4mV/祍
111 reserved for system use (Note 7)
B6 DCD2SR_1 R/W   0
B5 DCD2SR_0 R/W   1
B4 Reserve   -    0  Reserved
B3 DCD1SR_2 R/W   0  DCD1 Slew Rate Setting, DCD1SR[2:0]:
000 to 0.225mV/祍
001 to 0.45mV/祍
010 to 0.90mV/祍
011 to 1.8mV/祍
100 to 3.6mV/祍
101 to 7.2mV/祍
110 to 14.4mV/祍
111 reserved for system use (Note 7)
B2 DCD1SR_1 R/W   0
B1 DCD1SR_0 R/W   1
B0 Reserve   -    0  Reserved
NOTE:
7. The IC can be damaged when output is programmed from high to low
and the slew rate register is set to 111.
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