AN7700 Datasheet, PDF(6/21 Page) Panasonic Semiconductor – Low-dropout three-pin voltage regulator 1.2-A type

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AN7700 Datasheet, PDF (6/21 Pages) Panasonic Semiconductor – Low-dropout three-pin voltage regulator 1.2-A type

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AN7700, AN7700F, AN7700SP Series

Voltage Regulators

s Electrical Characteristics at Ta = 25Â°C (continued)

â¢ AN77035SP (3.5-V type)

Parameter

Symbol

Conditions

Min Typ Max Unit

Output voltage

VOUT VIN = 4.5 V, IOUT = 500 mA,

Tj = 25Â°C

3.39 3.50 3.61 V

Line regulation

REGIN VIN = 4.5 V to 14.5 V,

IOUT = 500 mA, Tj = 25Â°C

ï£§ 3 35 mV

Load regulation

REGLOA VIN = 4.5 V,

ï£§ 15 70 mV

IOUT = 0 mA to 1 200 mA, Tj = 25Â°C

Input dependency of bias current

âIBias(IN) VIN = 4.5 V to 14.5 V,

IOUT = 500 mA, Tj = 25Â°C

ï£§ 1 10 mA

Load dependency of bias current âIBias(LOA) VIN = 4.5 V,

ï£§ 10 50 mA

IOUT = 0 mA to 1 200 mA, Tj = 25Â°C

Bias current at no load

Bias current

before the regulation starts

IBias VIN = 4.5 V, IOUT = 0 mA

Irush VIN = 3.2 V, IOUT = 0 mA

ï£§ 2.6 5.0 mA

ï£§3

5 mA

Minimum I/O voltage difference 1 VDIF(min)1 VIN = 3.7 V, IOUT = 500 mA,

Tj = 25Â°C

Minimum I/O voltage difference 2 VDIF(min)2 VIN = 3.7 V, IOUT = 1 200 mA,

Tj = 25Â°C

Peak output current 1 *

IO(Peak)1 VIN = 4.5 V, Tj = 25Â°C

Ripple rejection ratio

RR VIN = 4.5 V to 8.0 V,

IOUT = 100 mA, f = 120 Hz

ï£§ 0.4 0.6 V

ï£§ 0.5 1.0 V

1.2 1.8 2.4 A

53 74 ï£§ dB

Note) *: This current exceeds PD(max) because it is a parameter during abnormal (overcurrent) operation. However, normally,

it shall conform to the derating curve ( s Characteristic curve chart PD ï£§ Ta ).

â¢ Design reference data

Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.

Parameter

Symbol

Conditions

Min Typ Max Unit

Peak output current 2 *

Peak output current 3 *

Output short-circuit current

IO(Peak)2 VIN = 13.5 V, Tj = 25Â°C

IO(Peak)3 VIN = 18.5 V, Tj = 25Â°C

IO(Short) VIN = 30 V, Tj = 25Â°C

The load is shorted.

ï£§ 1.5 ï£§ A

ï£§ 1.0 ï£§ A

ï£§ 10 ï£§ mA

Thermal protection operating

temperature

Tj(TH) VIN = 4.5 V

ï£§ 150 ï£§ Â°C

Output voltage temperature

coefficient

a VIN = 4.5 V, Tj = 25Â°C to 125Â°C

ï£§ â40 ï£§ ppm/Â°C

Note) *: This current exceeds PD(max) because it is a parameter during abnormal (overcurrent) operation. However, normally,

it shall conform to the derating curve ( s Characteristic curve chart PD ï£§ Ta ).

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