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PDF ( 数据手册 , 数据表 ) IFX27001

零件编号 IFX27001
描述 Linear Voltage Regulator
制造商 Infineon Technologies
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IFX27001 数据手册, 描述, 功能
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IFX27001
Linear Voltage Regulator
IFX27001TFV15
IFX27001TFV18
IFX27001TFV26
IFX27001TFV33
Data Sheet
Rev. 1.01, 2009-10-19
Standard Power
Datasheet pdf - http://www.DataSheet4U.net/







IFX27001 pdf, 数据表
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IFX27001
Electrical Characteristics
Table 4 Electrical Characteristics IFX27001TFV15 DV15 (1.5 V fixed output voltage)
-40 °C < Tj < 125 °C; VI = 13.5 V, IQ = 10 mA; unless otherwise specified
Parameter
Symbol Limit Values
Unit Measuring Conditions
min. typ. max.
Output voltage
Line regulation
Load regulation
Dropout voltage
Current consumption
Iq = II IQ
Temperature stability
VQ
1.45 1.5 1.55 V
10 mA IQ 1000 mA;
2.9 V VI 16 V
– 1.5 – V 10 mA IQ 1000 mA;
16 V VI 40 V 1)
ΔVQ – 4.8 22.5 mV 2.9 V VI 40 V
ΔVQ – 2.6 5.2 mV 10 mA IQ 800 mA; 2)
VI = VQnom + VDR
– 3.1 6.25 mV 10 mA IQ 1.0 A 2)
VI = VQnom + VDR
VDR – 1.00 1.20 V IQ = 100 mA 3)
– 1.05 1.30 V IQ = 500 mA 3)
– 1.10 1.35 V IQ = 800 mA 3)
– 1.30 1.40 V IQ = 1.0 A 3)
Iq – 0.8 1.6 mA IQ = 10 mA
– – 8.8 – mV 4)
Current limit
RMS Output Noise
IQmax
1000 –
50 200
– 30
2200 mA
– mA
– ppm
VI VQ <18V;
VQ = Vnom - 100 mV
VI = 40 V;
VQ = Vnom - 100 mV
Tj = 25 °C
ppm of VQ, Tj = 25 °C
10 Hz f 10 kHz 4)
Power Supply Ripple Rejection
PSRR –
65 –
dB fr = 120 Hz, Vr=0.5 VPP,
CADJ = 0 μF 4)
– 65 – dB fr = 120 Hz, Vr =0.5VPP,
CADJ = 10 μF 4)
1) Device is usable within given range without destruction, but the accuracy of the output voltage can only be guarantied in
the range specified in the line above.
2) Measured at constant junction temperature
3) Dropout voltage measured when the output voltage has dropped 100 mV from the nominal value.
4) Not subject to production test - specified by design.
Data Sheet
8 Rev. 1.01, 2009-10-19
Datasheet pdf - http://www.DataSheet4U.net/







IFX27001 equivalent, schematic
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IFX27001
Application Information
6 Application Information
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
IFX27001TFV
VI I 3
CI1 CI2
2Q
VQ
CQ2
1
GND
IFX27001TFV
VI I 3
CI1 CI2
2Q
CQ2
VQ
1
ADJ IADJ
R1 VQ - VADJ = VREF
R2 CADJ
AES02815
Figure 5 Application Diagram
Application Hints
Adjustable Version
At the fixed voltage IFX27001 devices, the output voltage is divided internally and compared to an internal
reference of 1.25 V typical. The regulation loop controls the output voltage to achieve the output voltage of 5 V,
3.3 V, 2.6 V, 1.8V or 1.5V. The variable version compares the voltage difference between the adjust pin ADJ and
the output pin Q to the internal reference of typically 1.25 V. The output voltage is adjusted by an external voltage
divider between Q, ADJ and GND and calculates:
VQ = VREF × ⎝⎛1 + RR----21-⎠⎞ + IADJ × R2
Data Sheet
16
Rev. 1.01, 2009-10-19
Datasheet pdf - http://www.DataSheet4U.net/










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