參數(shù)資料
型號(hào)： TPS7250Q
廠商： Texas Instruments, Inc.
英文描述： MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS
中文描述： 微功率低壓差LDO穩(wěn)壓器
文件頁(yè)數(shù)： 16/36頁(yè)
文件大?。?/td> 623K
代理商： TPS7250Q
TPS7201Q, TPS7225Q, TPS7228Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102F – MARCH 1995 – REVISED NOVEMBER 1998
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, I
O
= 10 mA, EN = 0 V, C
O
= 4.7
μ
F (CSR
= 1
), T
J
= 25
°
C, SENSE shorted
to OUT (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
TPS7228Y
MIN
TYP
UNIT
MAX
Output voltage
VI = 3.75 V,
VI = 2.97 V,
VI = 2.97 V,
VI = 2.97 V,
(2.97 V – VO)/IO,
IO = 250 mA
VI = 3.75 V to 10 V,
3.75 V
≤
VI
≤
10 V,
3.75 V
≤
VI
≤
10 V,
VI = 3.75 V,
f = 120 Hz
IO = 10 mA
IO = 10 mA
IO = 100 mA
IO = 250 mA
VI = 2.97 V,
2.75
V
TBD
Dropout voltage
TBD
mV
TBD
Pass-element series resistance
TBD
Input regulation
50
μ
A
≤
IO
≤
250 mA
IO = 5 mA to 250 mA
IO = 50
μ
A to 250 mA
IO = 50
μ
A
IO = 250 mA
f = 120 Hz
TBD
mV
Output regulation
TBD
mV
TBD
Ripple rejection
TBD
dB
TBD
Output noise spectral density
VI = 3.75 V,
TBD
μ
V/
√
Hz
VI= 3.75 V,
VI = 3.75 V,
10 Hz
≤
f
≤
100 kHz,
CSR = 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
TBD
Output noise voltage
TBD
μ
Vrms
TBD
PG hysteresis voltage
VI = 3.75 V
VI = 2.34 V,
TBD
mV
PG output low voltage
CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance
to CO.
Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must
be taken into account separately.
IPG = 1.2 mA
TBD
V
PARAMETER
TEST CONDITIONS
TPS7230Y
MIN
TYP
UNIT
MAX
Output voltage
VI = 4 V,
VI = 2.97 V,
VI = 2.97 V,
(2.97 V – VO)/IO,
IO = 250 mA
VI = 4 V to 10 V,
4 V
≤
VI
≤
10 V
4 V
≤
VI
≤
10 V
VI = 4 V,
f = 120 Hz
IO = 10 mA
IO = 100 mA
IO = 250 mA
VI = 2.97 V,
3
V
Dropout voltage
145
mV
390
Pass-element series resistance
1.56
Input regulation
50
μ
A
≤
IO
≤
250 mA
IO = 5 mA to 250 mA
IO = 50
μ
A to 250 mA
IO = 50
μ
A
IO = 250 mA
f = 120 Hz
9
mV
Output regulation
34
mV
41
Ripple rejection
56
dB
45
Output noise spectral density
VI = 4 V,
2
μ
V/
√
Hz
VI= 4 V,
VI = 4 V,
10 Hz
≤
f
≤
100 kHz,
CSR = 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
256
Output noise voltage
206
μ
Vrms
132
PG hysteresis voltage
VI = 4 V
VI = 2.55 V
50
mV
PG output low voltage
CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance
to CO.
Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must
be taken into account separately.
IPG = 1.2 mA
0.25
V
相關(guān)PDF資料
PDF描述
TPS7228Q Micropower Low-Dropout (LDO) Voltage Regulators(微功耗低壓差2.8V電壓穩(wěn)壓器)
TPS7230Q Micropower Low-Dropout (LDO) Voltage Regulators(微功耗低壓差3.0V電壓穩(wěn)壓器)
TPS7225Q Micropower Low-Dropout (LDO) Voltage Regulators(微功耗低壓差2.5V電壓穩(wěn)壓器)
TPS7225Y MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS
TPS7228Y MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS
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