Datasheet > AAT3522

AAT3522

更新时间： 2022-12-13 13:50:12

品牌	Logo	应用领域
ANALOGICTECH		微处理器复位电路
页数	文件大小	规格书
8页	227K
描述
MicroPower Microprocessor Reset Circuit

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AAT3522 数据手册

AAT3520/2/4

MicroPower Microprocessor Reset Circuit

Absolute Maximum Ratings (T_A=25°C unless otherwise noted)

Symbol

Description

Value

Units

V_CC

V_CCto GND

-0.3 to 5.5

-0.3 to V_CC+0.3

-0.3 to 5.5

RESET to GND (Push-Pull Output)

RESET to GND (Open Drain Output)

Maximum Continuous Input Current

RESET/RESET Current

Rate of rise of Vcc

Operating Junction Temperature Range

Maximum Soldering Temperature (at Leads) for 10s

V_RESET

I_MAX

I_RESET

dVcc/dt

T_J

V/µs

°C

100

-40 to 150

300

T_LEAD

°C

Note: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at con-

ditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one time.

Thermal Information

Symbol

Description

Maximum Thermal Resistance (SOT23-3)¹

Maximum Power Dissipation (SOT23-3)¹

Value

200

320

Units

°C/W

Θ_JA

P_D

Note 1: Mounted on an FR4 board.

Electrical Characteristics (V_IN= 5V, T_A= -40 to 85°C unless otherwise noted. Typical values

are at T_A=25°C, V_CC= 5V for 4.63/4.38V versions, V_CC= 3.3V for 3.08/2.93V versions, V_CC= 3.0V for 2.63V

version and V_CC= 2.5V for 2.32/2.2V versions )

Symbol Description

Conditions

Min

Typ

Max

Units

T_A= 0ºC to +70ºC

T_A= -40ºC to +85ºC

1.0

1.2

5.5

V_CC

I_Q

Operation Voltage

_CC= 5.5V

1.05

0.85

Quiescent Current

µA

V_CC= 3V

T_A= 25ºC

T_A= -40ºC to +85ºC

V_TH-1.5ꢀ V_THV_TH+1.5ꢀ

V_TH-2.5ꢀ V_THV_TH+2.5ꢀ

V_TH

RESET Threshold (Table 1)

∆V_TH/°C

RESET Threshold Tempco

RESET Propagation Delay

ppm/°C

µs

t_P

V_CC= V_THto (V_TH-100mV)

-50 option

-200 option

150

100

400

0.3

t_RDY

RESET Active Timeout Period

250

I_SINK=1.6mA, V_CC> 2.1V,

RESET Low Output Voltage

AAT3522, AAT3524

RESET asserted

I_SINK=100µA, V_CC>1.2V,

RESET asserted

V_OL

V_OH

0.4

RESET High Output Voltage

AAT3522

I_SOURCE= 800 µA

V_CC-1.5

_SINK=1.2mA, V_CC> 1.2V,

0.3

0.4

RESET Low Output Voltage

AAT3520

RESET not asserted

I_SINK= 3.2mA, V_CC> 4.5V,

RESET not asserted

V_OL

I_SOURCE= 500µA, V_CC> 2.1V, 0.8V_CC

RESET High Output Voltage

AAT3520

RESET asserted

I_SOURCE= 50µA, V_CC> 1.2V,

RESET asserted

V_OH

0.8V_CC

I_DOFF

RESET leakage current, AAT3524 V_CC> V_TH

µA

3520.2002.2.0.9

1 234 5 6 7 8

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