参数资料
型号: ISL6423BERZ-T
厂商: Intersil
文件页数: 6/16页
文件大小: 0K
描述: IC VREG SGL LNB W/I2C 24-QFN
标准包装: 6,000
应用: 转换器,卫星信号接收机顶盒设计
输入电压: 8 V ~ 14 V
输出数: 1
输出电压: 13.3 V ~ 18.3 V,14.3 V ~ 19.3 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘
供应商设备封装: 24-QFN 裸露焊盘(4x4)
包装: 带卷 (TR)
Electrical Specifications
V CC = 12V, T A = -20°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C. EN = H, VTOP
VBOT = L, ENT = L, DCL = L, I OUT = 12mA, unless otherwise noted. See software description section for I 2 C
access to the system. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
TONE OSCILLATOR
Tone Frequency
Tone Amplitude
Tone Duty Cycle
Tone Rise or Fall Time
f tone
V tone
dc tone
T r , T f
ENT = H
ENT = H, I O = 5mA
ENT = H,
ENT = H,
20.0
500
40
5
22.0
680
50
10
24.0
800
60
14
kHz
mV
%
μ s
TONE DECODER
Input Amplitude
Frequency Capture Range
Input Impedance
Vtdin
Ftdin
Zdet
200
17.5
-
-
-
8.6
1000
26.5
-
mV
kHz
k Ω
Detector Output Voltage
Detector Output Leakage
Tone Decoder Rx Threshold
Tone Decoder Tx Threshold
Vtdout_L
Itdout_H
V RXth
V TXth
Tone Present, I LOAD = 3mA
Tone absent, V O = 6V
TXT = L and TTH = 0 (Note 9)
TXT = H and TTH = 0 (Note 9)
-
-
100
400
-
-
150
450
0.4
10
200
500
V
μ A
mV
mV
LINEAR REGULATOR
Drop-out Voltage
I OUT = 750mA
-
0.8
1.05
V
Output Backward Leakage Current
Output Backward Leakage Current
Output Backward Current Threshold
Output Backward Current Limit
Output Backward Voltage
Output Under Voltage
I BKLK
I BKLK
I BKTH
I BKLM
V OBK
EN = 0; V OBK = 27V
EN = 0; V OBK = 28V
EN = 1; V OFAULT = 19V (Note 7)
EN = 1; V OFAULT = 19V (Note 7)
EN = 0
OUVF bit is asserted high, Measured from
-
-
-
-
-
-6
2.0
3.0
140
350
-
-
3.0
17
-
-
27
-2
mA
mA
mA
mA
V
%
(Asserted high during soft-start)
the typ. output set value
Output Over Voltage
OUVF bit is asserted high, Measured from
+2
-
+6
%
(Asserted high during soft-start)
the typ. output set value
TXT, EXTM, SELVTOP AND ADDR 0/1 INPUT PINs (Note 8)
Asserted LOW
Asserted HIGH
Input Current
-
1.7
-
-
-
25
0.8
-
-
V
V
μ A
CURRENT SENSE (CS pin)
Input Bias Current
I BIAS
-
700
-
nA
Overcurrent Threshold
V CS
Static current mode, DCL = H
325
450
500
mV
ERROR AMPLIFIER
Open Loop Voltage Gain
Gain Bandwidth Product
A OL
GBP
-
-
93
14
-
-
dB
MHz
PWM
Maximum Duty Cycle
Minimum Pulse Width
90
-
93
20
-
-
%
ns
6
FN6412.1
April 10, 2007
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ISL6423ERZ 功能描述:电流型 PWM 控制器 NOTCOMENDED FOR NEW DESIGN RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
ISL6423ERZ-T 功能描述:电流型 PWM 控制器 NOTCOMENDED FOR NEW DESIGN RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
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