AAT3258_06 Datasheet, PDF (5/16 Pages) Advanced Analogic Technologies – 300mA LDO Linear Regulator with μP Reset

AAT3258
300mA LDO Linear Regulator with µP Reset
Electrical Characteristics¹
T_A = 25°C, unless otherwise noted.
Symbol Description
Microprocessor Reset Monitor
V_DET
Input Voltage Range
I_Q
I_DD
I_DOFF
V_TH
∆V_TH/°C
T_P
T_RDY
T_MR
MRGI
R_MR
T_MD
V_IH
V_IL
Quiescent Current
Operating Supply Current
Reset Leakage Current
Reset Threshold Voltage
RESET Threshold Tempco
Reset Propagation Delay
Reset Active Timeout Period
MR Minimum Pulse Width
MR Glitch Immunity
MR Pull-Up Resistance
MR to Reset Propagation
Delay
MR Input Threshold (high)
MR Input Threshold (low)
V_OL
Reset Low Voltage
V_OH
Reset High Voltage
Conditions
Min Typ Max Units
T_A = 0°C to +70°C
T_A = -40°C to +85°C
V_CC = 5.5V
V_CC = 3.0V
V_DET = 3.0V
V_DET > V_TH
T_A = 25°C
AAT3258xxx-x.x-R
AAT3258xxx-x.x-Y
1
1.2
2.59
2.41
V_DET = V_TH to (V_TH - 100mV)
150
10
30
1.05
0.85
0.85
2.63
2.45
40
15
250
100
65
5.5
5.5
3.0
2.0
2.0
1.0
2.67
2.49
400
90
V
µA
µA
µA
V
ppm/°C
µs
ms
µs
ns
kΩ
0.5
µs
V_DET = V_TH(MAX)
0.7 × V_DET
V_DET = V_TH(MAX)
I_SINK = 1.2mA, V_DET = V_TH(MIN),
V_TH ≤ 3.08V, Reset Asserted
I_SINK = 3.2mA, V_DET = V_TH(MIN),
V_TH > 3.08V, Reset Asserted
I_SOURCE = 800µA, V_DET > 3.08V,
V_DET > V_TH(MAX)
V_DET - 1.5
I_SOURCE = 500µA, V_DET >
V_TH(MAX), V_TH ≤ 3.08V
0.8 * V_DET
V
0.25 × V_DET
V
0.3
V
0.4
V
1. The AAT3258 is guaranteed to meet performance specifications over the -40°C to 85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
3258.2006.03.1.6
5