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| 型號(hào)： | TPS7230QDR |
| 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)： | 13/37頁(yè) |
| 文件大?。?/td> | 581K |
| 代理商： | TPS7230QDR |
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TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
13
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/FB
shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TPS72xxY
TYP
UNIT
MIN
MAX
Ground current (active mode)
EN
≤
0.5 V,
0 mA
≤
IO
≤
250 mA
VO = 0 V,
VI = VO + 1 V,
180
μ
A
Output current limit threshold
VI = 10 V
0.6
A
°
C
mV
Thermal shutdown junction temperature
165
EN hysteresis voltage
50
Minimum VI for active pass element
Minimum VI for valid PG
1.9
V
IPG = 300
μ
A
1.1
V
electrical characteristics, I
O
= 10 mA, EN = 0 V, C
O
= 4.7
μ
F (CSR
= 1
), T
J
= 25
°
C, FB shorted to
OUT at device leads (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TPS7201Y
MIN
UNIT
TYP
MAX
Reference voltage (measured at FB with OUT
connected to FB)
VI = 3.5 V,
IO = 10 mA
1.188
V
VI = 2.4 V,§
VI = 2.4 V,§
VI = 2.9 V,
VI = 3.9 V,
VI = 5.9 V,
3 V
≤
VI
≤
10 V,
See Note 2
50
μ
A
≤
IO
≤
100 mA
100 mA
≤
IO
≤
200 mA
50
μ
A
≤
IO
≤
250 mA
50
μ
A
≤
IO
≤
250 mA
50
μ
A
≤
IO
≤
250 mA
IO = 5 mA to 250 mA,
2.1
2.9
Pass-element series resistance (see Note 3)
1.6
1
0.8
Output regulation
15
mV
3 V
≤
VI
≤
10 V,
See Note 2
IO = 50
μ
A to 250 mA,
17
VI= 3 5 V
VI = 3.5 V,
f = 120 Hz
IO = 50
μ
A
IO = 250 mA,
See Note 2
60
Ripple rejection
50
dB
Output noise spectral density
VI = 3.5 V,
f = 120 Hz
2
μ
V/
√
Hz
VI= 3.5 V,
VI = 3.5 V,
10 Hz
≤
f
≤
100 kHz,
CSR = 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
Measured at VFB
IPG = 400
μ
A
235
Output noise voltage
190
μ
Vrms
125
PG hysteresis voltage
VI = 3.5 V,
VI = 2.13 V,
VI = 3.5 V
12
mV
PG output low voltage
0.1
V
FB input current
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.
0.1
nA
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| TPS7230QDRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO PMOS Adjustable LDO 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS7230QP | 功能描述:低壓差穩(wěn)壓器 - LDO PMOS Adjustable LDO 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS7230QPE4 | 功能描述:低壓差穩(wěn)壓器 - LDO PMOS Adjustable LDO 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS7230QPWR | 功能描述:低壓差穩(wěn)壓器 - LDO PMOS Adjustable LDO 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS7230QPWRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO PMOS Adjustable LDO 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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