Datasheet AP7345D (Diodes) - 4
| 制造商 | Diodes |
| 描述 | Dual 300MA High Psrr Low Noise Ldo With Enable |
| 页数 / 页 | 15 / 4 — AP7345D. Electrical Characteristics. Parameter. Conditions. Min. Typ. … |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
AP7345D. Electrical Characteristics. Parameter. Conditions. Min. Typ. Max. Unit. C U D. O R. www.diodes.com
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AP7345D Electrical Characteristics
(@TA = +25°C, VIN = VOUT+1V (VOUT > 1.5V), VIN = 2.5V (VOUT ≤ 1.5V), IOUT = 1mA, CIN = COUT = 1.0µF, unless otherwise specified.)
Parameter Conditions Min Typ Max Unit
Input Voltage TA = -40°C to +85°C 1.7 — 5.25 V TA = +25°C -1 — 1 VIN = (VOUT-Nom+1.0V) to Output Voltage Accuracy (Note 11) 5.25V, % T
T
I A = -40° C to +85°C -1.5 — 1.5 OUT = 1mA to 300mA
C U D
Line Regulation (∆VOUT/∆VIN/VOUT) VIN = (VOUT-Nom+1.0V) to 5.25V, IOUT = 1.0mA — 0.02 0.1 %/V
O R
Load Regulation VIN = VOUT-Nom+1.0V, IOUT = 1mA to 300mA — 15 30 mV
P
Set EN1 High, Set EN2 Low, or Set EN2 High,
W
— 50 70 µA Set EN1 Low, No Load
E
Quiescent Current (Note 6)
N
Set EN1/EN2 High, No Load — 100 140 µA ISTANDBY Set EN1/EN2 Low, No Load — 0.1 1.0 µA Each Channel Output Current — 300 — — mA Fold-back Short Current (Note 7) VOUT short to ground — 55 — mA VIN = (VOUT+1V) VDC + PSRR (Note 8) 0.2Vp-pAC, f = 1kHz — 75 — dB VOUT ≥ 1.8V, IOUT = 30mA Output Noise Voltage (Notes 8 & 9) BW = 10Hz to 100kHz, IOUT = 30mA — 60 — µVrms VOUT ≤ 1.2V — 0.46 0.70 1.2V < VOUT ≤ 1.4V — 0.39 0.58 1.4V < VOUT ≤ 1.7V — 0.35 0.44 Dropout Voltage (Note 5) IOUT = 300mA 1.7V < VOUT ≤ 2.1V — 0.30 0.39 V 2.1V < VOUT ≤ 2.5V — 0.26 0.34 2.5V < VOUT ≤ 3.0V — 0.25 0.30 3.0V < VOUT ≤ 3.6V — 0.22 0.29 Output Voltage Temperature Coefficient IOUT = 30mA, TA = -40°C to +85°C — ±30 — ppm/°C Thermal Shutdown Threshold (TSHDN) — — +150 — °C Thermal Shutdown Hysteresis (THYS) — — +20 — °C EN Input Low Voltage — 0 — 0.5 V EN Input High Voltage — 1.3 — 5.25 V EN Input Leakage VEN = 0V, VIN = 5.0V or VEN = 5.0V, VIN = 0V -1.0 — 1.0 µA On Resistance of N-channel for Auto- VIN = 4.0V, VEN = 0V D Version, Chanel 1 & 2 — 30 — Ω discharge (Note 10) (Disabled) Notes: 5. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value. 6. Quiescent current is defined here is the difference in current between the input and the output. 7. Short circuit current is measured with VOUT pulled to GND. 8. This specification is guaranteed by design. 9. To make sure lowest environment noise minimizes the influence on noise measurement. 10. AP7345D has 2 options for output, built-in discharge and non-discharge. 11. Potential multiple grades based on following output voltage accuracy. AP7345D 4 of 15 December 2018 Document number: DS41528 Rev. 1 - 2
www.diodes.com
© Diodes Incorporated
(@TA = +25°C, VIN = VOUT+1V (VOUT > 1.5V), VIN = 2.5V (VOUT ≤ 1.5V), IOUT = 1mA, CIN = COUT = 1.0µF, unless otherwise specified.)
Parameter Conditions Min Typ Max Unit
Input Voltage TA = -40°C to +85°C 1.7 — 5.25 V TA = +25°C -1 — 1 VIN = (VOUT-Nom+1.0V) to Output Voltage Accuracy (Note 11) 5.25V, % T
T
I A = -40° C to +85°C -1.5 — 1.5 OUT = 1mA to 300mA
C U D
Line Regulation (∆VOUT/∆VIN/VOUT) VIN = (VOUT-Nom+1.0V) to 5.25V, IOUT = 1.0mA — 0.02 0.1 %/V
O R
Load Regulation VIN = VOUT-Nom+1.0V, IOUT = 1mA to 300mA — 15 30 mV
P
Set EN1 High, Set EN2 Low, or Set EN2 High,
W
— 50 70 µA Set EN1 Low, No Load
E
Quiescent Current (Note 6)
N
Set EN1/EN2 High, No Load — 100 140 µA ISTANDBY Set EN1/EN2 Low, No Load — 0.1 1.0 µA Each Channel Output Current — 300 — — mA Fold-back Short Current (Note 7) VOUT short to ground — 55 — mA VIN = (VOUT+1V) VDC + PSRR (Note 8) 0.2Vp-pAC, f = 1kHz — 75 — dB VOUT ≥ 1.8V, IOUT = 30mA Output Noise Voltage (Notes 8 & 9) BW = 10Hz to 100kHz, IOUT = 30mA — 60 — µVrms VOUT ≤ 1.2V — 0.46 0.70 1.2V < VOUT ≤ 1.4V — 0.39 0.58 1.4V < VOUT ≤ 1.7V — 0.35 0.44 Dropout Voltage (Note 5) IOUT = 300mA 1.7V < VOUT ≤ 2.1V — 0.30 0.39 V 2.1V < VOUT ≤ 2.5V — 0.26 0.34 2.5V < VOUT ≤ 3.0V — 0.25 0.30 3.0V < VOUT ≤ 3.6V — 0.22 0.29 Output Voltage Temperature Coefficient IOUT = 30mA, TA = -40°C to +85°C — ±30 — ppm/°C Thermal Shutdown Threshold (TSHDN) — — +150 — °C Thermal Shutdown Hysteresis (THYS) — — +20 — °C EN Input Low Voltage — 0 — 0.5 V EN Input High Voltage — 1.3 — 5.25 V EN Input Leakage VEN = 0V, VIN = 5.0V or VEN = 5.0V, VIN = 0V -1.0 — 1.0 µA On Resistance of N-channel for Auto- VIN = 4.0V, VEN = 0V D Version, Chanel 1 & 2 — 30 — Ω discharge (Note 10) (Disabled) Notes: 5. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value. 6. Quiescent current is defined here is the difference in current between the input and the output. 7. Short circuit current is measured with VOUT pulled to GND. 8. This specification is guaranteed by design. 9. To make sure lowest environment noise minimizes the influence on noise measurement. 10. AP7345D has 2 options for output, built-in discharge and non-discharge. 11. Potential multiple grades based on following output voltage accuracy. AP7345D 4 of 15 December 2018 Document number: DS41528 Rev. 1 - 2
www.diodes.com
© Diodes Incorporated