TPS75801 Datasheet, PDF (5/24 Pages) Texas Instruments – FAST-TRANSIENT RESPONSE 3-A LOW-DROPOUT VOLTAGE REGULATORS

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TPS75801, TPS75815
TPS75818, TPS75825
TPS75833
SLVS330D – JUNE 2001 – REVISED MARCH 2004
RECOMMENDED OPERATING CONDITIONS
Input voltage, V_I(1)
Output voltage range, V_O
Output current, I_O
Operating virtual junction temperature, T_J
MIN
2.8
1.22
0
-40
MAX
5.5
5
3
125
UNIT
V
V
A
°C
(1) To calculate the minimum input voltage for your maximum output current, use the following equation: V_I(min)= V_O(max)+ V_{DO(max load)}.
ELECTRICAL CHARACTERISTICS
over recommended operating junction temperature range (T_J = -40°C to 125°C), V_I= V_O(typ) + 1 V, I_O = 1 mA, EN = V_I, C_o =
100 µF (unless otherwise noted)
PARAMETER
Adjustable
voltage
Output voltage⁽¹⁾
1.5 V Output
1.8 V Output
2.5 V Output
3.3 V Output
Quiescent current (GND current)⁽²⁾,⁽³⁾
TEST CONDITIONS
1.22 V ≤ V_O≤ 5.5 V
T_J = 25°C
1.22 V ≤ V_O≤ 5.5 V
1.22 V ≤ V_O≤ 5.5 V, T_J = 0 to 125°C⁽¹⁾
T_J = 25°C
2.8 V < V_I < 5.5 V
2.8 V ≤ V_I≤ 5.5 V
T_J = 25°C
2.8 V < V_I < 5.5 V
2.8 V ≤ V_I≤ 5.5 V
T_J = 25°C
3.5 V < V_I < 5.5 V
3.5 V ≤ V_I≤ 5 V
T_J = 25°C
4.3 V < V_I < 5.5 V
4.3 V ≤ V_I≤ 5.5 V
T_J = 25°C
Output voltage line regulation (∆V_O/V_O)⁽³⁾
Load regulation ⁽²⁾
Output noise voltage
TPS75815
Output current limit
Thermal shutdown junction temperature
Standby current
FB input current
TPS75801
Power supply ripple rejection TPS75815
Input current (EN)
EN = V_I
EN = 0 V
High level EN input voltage
Low level EN input voltage
V_O + 1 V ≤ V_I≤ 5.5 V,
V_O + 1 V ≤ V_I < 5.5 V
T_J = 25°C
BW = 300 Hz to 50 kHz, T_J = 25°C, V_I = 2.8 V
V_O = 0 V
EN = 0_,
EN = 0
FB = 1.5 V
f = 100 Hz, T_J = 25°C
T_J = 25°C
V_I = 2.8 V, I_O = 3 A
MIN
0.97 V_O
0.97 V_O
1.455
1.746
2.425
3.201
5.5
-1
-1
-1
2
TYP
V_O
1.5
1.8
2.5
3.3
125
0.04
0.35
35
10
150
0.1
62
0
MAX UNIT
V
1.03 V_O
1.03 V_O V
V
1.545
V
1.854
V
2.575
V
3.399
µA
200
%/V
0.1
%/V
µVrms
14 A
°C
µA
3 µA
1 µA
dB
1 µA
1 µA
V
0.7 V
(1) The adjustable option operates with a 2% tolerance over T_J = 0 to 125°C.
(2) I_O = 1 mA to 3 A
(3) If V_O < 2.5 V then V_Imin = 2.8 V, V_Imax = 5.5 V:
Line regulator (mV) + (%V)
ǒ _{VO VImax * 2.8V}Ǔ
100
1000
If V_O≥ 2.5 V then V_Imin = V_O + 1 V, V_Imax = 5.5 V:
Line regulator (mV) + (%V)
ǒ Ǔ _{VO VImax *} ǒ_{VO ) 1V}Ǔ
100
1000
5