參數(shù)資料
型號: 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
文件頁數(shù): 17/36頁
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
17
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
TPS7233Y
MIN
TYP
UNIT
MAX
Output voltage
VI = 4.3 V,
VI = 3.23 V,
VI = 3.23 V,
VI = 3.23 V,
(3.23 V – VO)/IO,
IO = 250 mA
VI = 4.3 V to 10 V,
4.3 V
VI
10 V,
4.3 V
VI
10 V,
VI = 4.3 V,
f = 120 Hz
IO = 10 mA
IO = 10 mA
IO = 100 mA
IO = 250 mA
VI = 3.23 V,
3.3
V
14
Dropout voltage
140
mV
360
Pass-element series resistance
1.5
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
8
mV
Output regulation
32
mV
41
Ripple rejection
52
dB
44
Output noise spectral density
VI = 4.3 V,
2
μ
V/
Hz
VI= 4.3 V,
VI = 4.3 V,
10 Hz
f
100 kHz,
CSR = 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
265
Output noise voltage
212
μ
Vrms
135
PG hysteresis voltage
VI = 4.3 V
VI = 2.8 V,
32
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
0.22
V
PARAMETER
TEST CONDITIONS
TPS7248Y
MIN
TYP
UNIT
MAX
Output voltage
VI = 5.85 V,
VI = 4.75 V,
VI = 4.75 V,
VI = 4.75 V,
(4.75 V – VO)/IO,
IO = 250 mA
5.85 V
VI
10 V
5.85 V
VI
10 V
VI = 5.85 V,
f = 120 Hz
IO = 10 mA
IO = 10 mA
IO = 100 mA
IO = 250 mA
VI = 4.75 V,
4.85
V
10
Dropout voltage
90
mV
216
Pass-element series resistance
0.8
Output regulation
IO = 5 mA to 250 mA
IO = 50
μ
A to 250 mA
IO = 50
μ
A
IO = 250 mA
f = 120 Hz
43
mV
55
Ripple rejection
53
dB
46
Output noise spectral density
VI = 5.85 V,
2
μ
V/
Hz
VI= 5.85 V,
VI = 5.85 V,
10 Hz
f
100 kHz,
CSR = 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
370
Output noise voltage
290
μ
Vrms
168
PG hysteresis voltage
VI = 5.85 V
VI = 4.12 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
0.2
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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