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參數資料
型號： TPS7233QPWG4
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）穩壓器
文件頁數： 7/37頁
文件大小： 581K
代理商： TPS7233QPWG4
TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7201Q electrical characteristics, I
O
= 10 mA, V
I
= 3.5 V, EN = 0 V, C
O
= 4.7
μ
F (CSR
= 1
), FB
shorted to OUT at device leads (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
TPS7201Q
TYP
1.188
UNIT
MIN
MAX
Reference voltage (measured
at FB with OUT connected to
FB)
VI = 3.5 V,
3 V
≤
VI
≤
10 V,
See Note 2
IO = 10 mA
5 mA
≤
IO
≤
250 mA,
25
°
C
V
g (
–40
°
C to 125
°
C
1.152
1.224
V
Reference voltage
temperature coefficient
–40
°
C to 125
°
C
31
75
ppm/
°
C
VI = 2.4 V,§
VI = 2.4 V,§
50
μ
A
≤
IO
≤
100 mA
100 mA
≤
IO
≤
200 mA
25
°
C
25
°
C
25
°
C
2.1
2.9
Pass-element series
resistance (see Note 3)
VI= 2 9 V
VI = 2.9 V,
μ
≤
50
A
IO
≤
250 mA
1.6
2.7
–40
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
25
°
C
4.5
VI = 3.9 V,
VI = 5.9 V,
VI = 3 V to 10 V,
See Note 2
50
μ
A
≤
IO
≤
250 mA
50
μ
A
≤
IO
≤
250 mA
50
A
≤
IO
≤
250 mA,
μ
1
0.8
Input regulation
23
mV
36
IO = 5 mA to 250 mA,
See Note 2
3 V
≤
VI
≤
10 V,
15
25
Output regulation
36
mV
IO = 50
A to 250 mA,
μ
See Note 2
3 V
≤
VI
≤
10 V,
17
27
43
IO= 50
μ
IO = 50
A
49
60
Ripple rejection
f = 120 Hz
32
dB
IO = 250 mA,
See Note 2
45
50
30
Output noise spectral density
f = 120 Hz
2
μ
V/
√
Hz
≤
≤
10 Hz
f
100 kHz,
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
235
Output noise voltage
190
μ
Vrms
CSR= 1
125
0.95
×
PG trip-threshold voltage
VFB voltage decreasing from above VPG
–40
°
C to 125
°
C
VFB(nom)
V
PG hysteresis voltage
Measured at VFB
25
°
C
12
mV
PG output low voltage
IPG= 400
μ
IPG = 400
A,
VI= 2 13 V
VI = 2.13 V
25
°
C
0.1
0.4
V
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
0.4
FB input current
–10
–20
0.1
10
20
nA
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.
§This voltage is not recommended.
Output voltage programmed to 2.5 V with closed-loop configuration (see application information).
NOTES:
2. When VI < 2.9 V and IO > 100 mA simultaneously, pass element rDS(on) increases (see Figure 10) to a point such that the resulting
dropout voltage prevents the regulator from maintaining the specified tolerance range.
3. To calculate dropout voltage, use equation:
VDO = IO
rDS(on)
rDS(on) is a function of both output current and input voltage. The parametric table lists rDS(on) for VI = 2.4 V, 2.9 V, 3.9 V, and
5.9 V, which corresponds to dropout conditions for programmed output voltages of 2.5 V, 3 V, 4 V, and 6 V, respectively. For other
programmed values, refer to Figures 10 and 11.
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相關代理商/技術參數
參數描述
TPS7233QPWR 功能描述:低壓差穩壓器 - LDO LDO PMOS Voltage RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS7233QPWRG4 功能描述:低壓差穩壓器 - LDO LDO PMOS Voltage RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS7248QD 功能描述:低壓差穩壓器 - LDO LDO PMOS Voltage RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS7248QDG4 功能描述:低壓差穩壓器 - LDO LDO PMOS Voltage RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS7248QDR 功能描述:低壓差穩壓器 - LDO LDO PMOS Voltage RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
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