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R1517J Datasheet Preview

R1517J Datasheet

500mA 36V Input Low Supply Current LDO

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R1517x Series
AEC-Q100 Grade 1 Compliant
500 mA 36V Input Low Supply Current LDO for Automotive Applications
OUTLINE
NO. EC304141222
R1517x is a CMOS-based LDO that specifically designed for automotive applications featuring 500 mA output
current and 36 V input voltage. In addition to a conventional regulator circuit, R1517x consists of a constant slope
circuit as a soft-start function, a fold-back protection circuit, a short current limit circuit, and a thermal shutdown
circuit. Besides the low supply current by CMOS, the operating temperature is 40°C to 125°C and the maximum
input voltage is 36 V, the R 1517x is ver y s uit able f or power s our c e of c ar acc es s or ies .
R1517x supports the internal fixed output voltage type of R1517xxxxB/D/E/F and the adjustable output voltage
setting type, which is controlled by external resistances, of R1517J001C. As for the soft-start time, R1517x is
fixed internal in R1517xxxxB/D/E/F and is set to 120 µs (Typ). And the soft-start time in R1517Jxx1E/F is
adjustable by external capacitors. R1517x supports the auto-discharge function at standby in R1517xxxxD/F.
R1517x is available in two packages for ultra-high wattage: HSOP-6J and TO-252-5-P2.
FEATURES
Input Voltage Range (Maximum Rating) ················ 3.5 V to 36.0 V (50.0V)
Operating Temperature Range ···························· 40°C to 125°C
Supply Current················································· Typ. 18 µA
Standby Current ··············································· Typ. 0.1 µA
Dropout Voltage ··············································· Typ. 0.35 V (IOUT = 500 mA, VOUT = 5.0 V)
Output Voltage Accuracy ···································· ±0.8% (VOUT 5.0 V)
Temperature-Drift Coefficient of Output Voltage······· Typ. ±60 ppm/°C (40°C Ta 125°C)
Line Regulation ················································ Typ. 0.01%/V
Packages ······················································· HSOP-6J, TO-252-5-P2
Output Voltage Range ······································· 2.5 V/2.8 V/3.0 V/3.3 V/3.4 V/5.0 V/ 6.0 V/8.0 V
/8.5 V/9.0 V
* Contact Ricoh sales representatives for other voltages.
R1517J001C: Adjustable from 2.5 V to 12.0 V with External
Resistors.
Feedback Voltage: 2.5 V
Built-in Short Current Limit Circuit ························ Typ. 75 mA
Built-in Fold-Back Protection Circuit······················ Min. 500 mA
Built-in Thermal Shutdown Circuit ························ Typ. 160°C
Built-in Soft-start Circuit ····································· Typ.120 µs
R1517Jxx1E/F: Adjustable Time Setting with External
Capacitors.
Usable Ceramic Capacitors ································ 0.1 µF or more
R1517J001C: 1.0 µF or more

1




RICOH

R1517J Datasheet Preview

R1517J Datasheet

500mA 36V Input Low Supply Current LDO

No Preview Available !

R1517x
NO. EC304141222
APPLICATIONS
Power source for car accessories including car audio equipment, car navigation system, and ETC system.
Power source for control units including EV inverter and charge control.
BLOCK DIAGRAMS
R1517xxxxB
VDD
CE
Internal VR
Soft
Start
Vref
Current Limit
Thermal Shutdown
VOUT
GND
R1517J001C
VDD
CE
Internal VR
Soft
Start
Vref
Current Limit
Thermal Shutdown
VOUT
VFB
GND
VDD
CE
R1517xxxxD
Internal VR
Soft
Start
Vref
Current Limit
Thermal Shutdown
VDD
DELAY
CE
R1517Jxx1F
Internal VR
Soft
Start
Vref
Current Limit
Thermal Shutdown
VOUT
GND
R1517Jxx1E
VDD
DELAY
CE
Internal VR
Soft
Start
Vref
Current Limit
Thermal Shutdown
VOUT
GND
VOUT
GND
2


Part Number R1517J
Description 500mA 36V Input Low Supply Current LDO
Maker RICOH
Total Page 30 Pages
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