TPS77301_08 Datasheet, PDF (7/26 Pages) Texas Instruments – 250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING

TPS77301/315/316/318/327/328/333/350 WITH RESET OUTPUT
TPS77401/415/418/427/428/433/450 WITH POWER GOOD OUTPUT
250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
SLVS281E – FEBRUARY 2000 – REVISED JULY 2001
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 = 0 V, C_O = 10 µF (unless otherwise noted)
PARAMETER
Adjustable
voltage
1.5-V Output
1.6-V Output
Output voltage (see Notes 2 and 4)
1.8-V Output
2.7-V Output
2.8-V Output
3.3-V Output
5.0-V Output
Quiescent current (GND current) (see Notes 2 and 4)
TEST CONDITIONS
1.5 V ≤ VO ≤ 5.5 V,
1.5 V ≤ VO ≤ 5.5 V
TJ = 25°C,
2.7 V < VIN < 10 V
TJ = 25°C,
2.7 V < VIN < 10 V
TJ = 25°C,
2.8 V < VIN < 10 V
TJ = 25°C,
3.7 V < VIN < 10 V
TJ = 25°C,
3.8 V < VIN < 10 V
TJ = 25°C,
4.3 V < VIN < 10 V
TJ = 25°C,
6.0 V < VIN < 10 V
TJ = 25°C
TJ = 25°C
2.7 V < VIN < 10 V
2.7 V < VIN < 10 V
2.8 V < VIN < 10 V
3.7 V < VIN < 10 V
3.8 V < VIN < 10 V
4.3 V < VIN < 10 V
6.0 V < VIN < 10 V
Output voltage line regulation (∆VO/VO)(see Note 3)
Load regulation
Output noise voltage
VO + 1 V < VI ≤ 10 V, TJ = 25°C
VO + 1 V < VI ≤ 10 V
TJ = 25°C
BW = 300 Hz to 100 kHz, TJ = 25°C,
TPS77318, TPS77418
MIN TYP MAX
0.98VO
VO
1.02VO
1.5
1.470
1.530
1.6
1.568
1.632
1.8
1.764
1.836
2.7
2.646
2.754
2.8
2.744
2.856
3.3
3.234
3.366
5.0
4.900
5.100
92
125
0.005
0.05
1
UNIT
V
V
V
V
V
µA
%/V
%/V
mV
55
µVrms
Output current limit
Peak output current
Thermal shutdown junction temperature
Standby current
FB input current
Adjustable
voltage
VO = 0 V
2 ms pulse width,
EN = VI,
EN = VI
FB = 1.5 V
50% duty cycle
TJ = 25°C
0.9
1.3 A
400
mA
144
°C
1 µA
3 µA
1 µA
High level enable input voltage
2
V
Low level enable input voltage
0.7 V
Enable input current
–1
1 µA
Power supply ripple rejection (TPS77318, TPS77418) f = 1 kHz,
TJ = 25°C
55
dB
NOTES: 2. Minimum input operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. Maximum input voltage = 10 V, minimum output
current 1 mA.
3. If VO < 1.8 V then VI(max) = 10 V, VI(min) = 2.7 V:
Line regulation (mV) + ^ǒ%ńV^Ǔ
ǒ Ǔ VO VI(max) * 2.7 V
100
1000
If VO > 2.5 V then VI(max) = 10 V, VI(min) = VO + 1 V:
Line regulation (mV) + ^ǒ%ńV^Ǔ
ǒ Ǔ ǒ Ǔ VO VI(max) * VO ) 1
100
4. IO = 1 mA to 250 mA
1000
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