参数资料
型号: EL7581IREZ
厂商: Intersil
文件页数: 3/17页
文件大小: 0K
描述: IC CONV DC/DC 3-CHAN 20-HTSSOP
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)裸露焊盘
供应商设备封装: 20-TSSOP-EP
包装: 管件
EL7581
Electrical Specifications
V IN = 3.3V, V BOOST = 12V, R OSC = 100k ? , T A = 25°C Unless Otherwise Specified. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
NEGATIVE REGULATED CHARGE PUMP (V OFF )
Most negative V OFF output depends on the magnitude of the V DDN input voltage (normally connected to V BOOST ) and the external component
configuration (doubler or tripler)
V DDN
IQ1(V DDN )
IQ2(V DDN )
Supply Input for Negative Charge Pump
Quiescent Current - Shut-down
Quiescent Current - Switching
Usually connected to V BOOST output
ENBN = 0V
ENBN = V DDB
5
1.2
2.3
17
10
5
V
μA
mA
V(FBN)
I(FBN)
I(DRVN)
Feedback Reference Voltage
Feedback Input Bias Current
RMS DRVN Output Current
Magnitude of input bias
V DDN = 12V
-80
0
0.1
60
+80
mV
μA
mA
V DDN = 6V
15
mA
ILR_V OFF
Load Regulation
-15mA < I L < -5mA
-0.5
0.03
0.5
%/mA
F PUMP
Charge Pump Frequency
Frequency set by R OSC - see boost section
0.5*F OSC
ENABLE CONTROL LOGIC
V HI-ENX
V LO-ENX
IL(EN”X”)
Enable Input High Threshold
Enable Input Low Threshold
Logic Low Bias Current
X = “BN”, “P”
X = “BN”, “P”
X = “BN”, “P” = 0V
1.4
0.1
0.6
V
V
μA
IL(ENBN)
IL(ENP)
Logic High Bias Current
Logic High Bias Current
ENBN = 5V
ENP = 5V
7.5
3.3
15
7.5
μA
μA
OVER-TEMPERATURE PROTECTION
T OT
T HYS
Over-temperature Threshold
Over-temperature Hysteresis
130
40
°C
°C
3
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