参数资料
| 型号： | EL7584IRZ-T13 |
| 厂商： | Intersil |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC CONV DC/DC 4-CHAN 24-TSSOP |
| 标准包装： | 2,500 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2 V ~ 14 V |
| 输出数： | 2 |
| 输出电压： | 5 V ~ 17 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 带卷 (TR) |
EL7584
Absolute Maximum Ratings (T A = 25°C)
LX Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
V DDB , V DDP , V DDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
V DDC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.5V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Maximum Continuous V BOOST Output Current. . . . . . . . . . . 800mA
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are
at the specified temperature and are pulsed tests, therefore: T J = T C = T A
Electrical Specifications
V IN = 3.3V, V BOOST = 12V, R OSC = 62k Ω , T A = 25°C, Unless Otherwise Specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
DC/DC BOOST CONVERTER
IQ1_B
IQ2_B
V(FBB)
V REF
V ROSC
I(FBB)
Quiescent Current - Shut-down
Quiescent Current - Switching
Feedback Voltage
Reference Voltage
Oscillator Set Voltage
Feedback Input Bias Current
EN = 0V
EN = V DDB
1.275
1.260
1.260
0.8
4.8
1.300
1.310
1.325
0.1
10
8
1.325
1.360
1.390
μA
mA
V
V
V
μA
V DDB
D MAX
I(LX) MAX
R DS-ON
I LEAK-SWITCH
Boost Converter Supply Range
Maximum Duty Cycle
Peak Internal FET Current
Switch On Resistance
Switch Leakage Current
at V BOOST = 10V, I(LX) total = 350mA
I(LX) total
2
85
92
1.75
0.22
17
1
V
%
A
Ω
μA
V BOOST
Δ V BOOST / Δ V IN
Δ V BOOST / Δ I O1
F OSC-RANGE
Output Range
Line Regulation
Load Regulation
Frequency Range
V BOOST > V IN + V DIODE
2.7V < V IN < 13.2V, V BOOST = 15V
50mA < I O1 < 250mA
R OSC range = 240k Ω to 60k Ω
5
200
0.1
0.5
17
1200
V
%
%
kHz
F OSC1
Switching Frequency
R OSC = 62k Ω
900
1000
1100
kHz
V COM BUFFER
V DDC
Supply Voltage Range
6
15
V
IQ1, V DDC
IQ2, V DDC
V COM -offset
V DDC Disable Current
V DDC Enable Current
Accuracy of V COM Output Voltage
V DDC = 12V, EN = 0V
V DDC = 12V, V EN = V DDB , no load
2V < V COM < (V DDC - 2V)
-10
5.5
1.7
20
5
+10
μA
mA
mV
I(INC)
R O (V COM )
V COM Input Bias Currents
V COM Output Impedance
Current magnitude
V DDC = V BOOST = 12V, V COM = 6V with
-0.1
0.01
0.25
0.1
μA
Ω
-100mA < I LOAD < 100mA
C LOAD for V COM > 0.47μF, MLCC
I COM (max)
Output Current Limit
150
mA
PSRR
CMRR
Supply Voltage Rejection
Common Mode Voltage Rejection
V INC = V DDC/2 , 9V < V DDC < 15V
V DDC = 12V, 2V < V INC < 10V
60
60
102
93
dB
dB
2
FN7317.2
February 4, 2005
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