参数资料
| 型号： | EL7583IR |
| 厂商： | Intersil |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC CONV DC/DC 3-CHAN 20-TSSOP |
| 标准包装： | 74 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.7 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： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
EL7583
Absolute Maximum Ratings (T A = 25°C)
V IN Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14V
V DDB , V DDP , V DDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
LX Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . . . 0.5A
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Die Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
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 = 100k ? , 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
ENBN = ENP = 0V
ENBN = 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
2.7
85
92
1.75
0.22
17
1
V
%
A
?
μA
V BOOST
? V BOOST / ? V IN
? V BOOST / ? 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 ? to 60k ?
5
200
0.1
0.5
17
1000
V
%
%
kHz
F OSC1
Switching Frequency
R OSC = 100k ?
620
680
750
kHz
POSITIVE REGULATED CHARGE PUMP (V ON )
Most positive V ON output depends on the magnitude of the V DDP input voltage (normally connected to V BOOST ) and the external component
configuration (doubler or tripler)
V DDP
IQ1(V DDP )
IQ2(V DDP )
Supply Input for Positive Charge Pump
Quiescent Current - Shut-down
Quiescent Current - Switching
Usually connected to V BOOST output
ENP = 0V
ENBN = ENP = V DDB
5
11.5
2.3
17
20
5
V
μA
mA
V(FBP)
I(FBP)
I(DRVP)
Feedback Reference Voltage
Feedback Input Bias Current
RMS DRVP Output Current
V DDP = 12V
1.245
1.310
0.1
60
1.375
V
μA
mA
V DDP = 6V
15
mA
ILR_V ON
Load Regulation
5mA < I L < 15mA
-0.5
0.03
0.5
%/mA
F PUMP
Charge Pump Frequency
2
Frequency set by R OSC - see boost section
0.5*F OSC
FN7335.5
May 12, 2006
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