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TC1305 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Dual 150mA CMOS LDO - Microchip Technology

भाग संख्या TC1305
समारोह Dual 150mA CMOS LDO
मैन्युफैक्चरर्स Microchip Technology 
लोगो Microchip Technology लोगो 
पूर्व दर्शन
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<?=TC1305?> डेटा पत्रक पीडीएफ

TC1305 pdf
TC1305
1.0 ELECTRICAL
CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS*
Input Voltage .........................................................6.5V
Output Voltage........................... (-0.3V) to (VIN + 0.3V)
Power Dissipation................Internally Limited (Note 7)
Maximum Voltage on Any Pin ......... VIN +0.3V to -0.3V
Operating Temperature Range.... -40°C < TJ < +125°C
Storage Temperature Range .............. -55°C to +150°C
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC1305 ELECTRICAL SPECIFICATIONS
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Electrical Characteristics: VIN = VR + 1V, IL = 100µA, CL = 3.3µF, SHDN1 > VIH, SHDN2 > VIH, TA = 25°C, unless otherwise
noted. Boldface type specifications apply for junction temperature of -40°C to +125°C. Applies to both VOUT1 and VOUT2.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
VIN
IOUTMAX
VOUT
TCVOUT
Input Operating Voltage
Maximum Output Current
Output Voltage (VOUT1 and VOUT2)
VOUT Temperature Coefficient
2.7 6.0 V Note 1
150
— mA Per Channel
VR – 2.5% VR ± 0.5% VR + 2.5% V Note 2
— 20 — ppm/°C Note 3
— 40 —
VOUT/VIN Line Regulation
VOUT/VOUT Load Regulation
0.05
0.35
% (VR + 1V) < VIN < 6V
— 0.5
2 % IL = 0.1mA to IOUTMAX
(Note 4)
VIN – VOUT Dropout Voltage
— 2 — mV IL = 100µA
50 120
IL = 50mA
100 240
IL = 100mA
150 360
IL = 150mA
(Note 5)
IIN Supply Current
— 120 160 µA SHDN1, SHDN2 = VIH, IL = 0
IINSD
Shutdown Supply Current
— 0.05 0.5 µA SHDN1, SHDN2 = 0V
PSRR
Power Supply Rejection Ratio
— 64 — dB FRE 120Hz
IOUTSC
Output Short Circuit Current
— 600 — mA VOUT = 0V
VOUTPD Thermal Regulation
— 0.04 — V/W Notes 6, 7
tWK Wake Up Time
(from Shutdown Mode)
— 10 — µsec VIN = 5V
CIN = 1µF, COUT = 4.7µF
IL = 30mA, (See Figure 4-1)
ts Settling Time
(from Shutdown Mode)
— 40 — µsec VIN = 5V
CIN = 1µF, COUT = 4.7µF
IL = 30mA, (See Figure 4-1)
Note 1:
2:
3:
4:
5:
6:
7:
The minimum VIN has to meet two conditions: VIN 2.7 and VIN VR + VDROPOUT.
VR is the regulator output voltage setting. For example: VR = 2.5V, 2.8V, 3.0V.
TC VOUT = (VOUTMAX – VOUTMIN) x 106
VOUT x T
Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested over a load range from
0.1mA to the maximum specified output current. Changes in output voltage due to heating effects are covered by the thermal regulation
specification.
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at a 1V
differential.
Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding load or
line regulation effects. Specifications are for a current pulse equal to ILMAX at VIN = 6V for T = 10 msec.
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature and the
thermal resistance from junction-to-air (i.e., TA, TJ, θJA). Exceeding the maximum allowable power dissipation causes the device to initiate
thermal shutdown. Please see Section 5.0 Thermal Considerations section of this data sheet for more details.
DS21526A-page 2
© 2002 Microchip Technology Inc.

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