參數(shù)資料
型號(hào)： TPS77427
廠商： Texas Instruments, Inc.
英文描述： "Single Output LDO
中文描述： 快速瞬態(tài)響應(yīng) 250mA LDO 穩(wěn)壓器，具有電源狀態(tài)良好指示、MSOP-8 封裝
文件頁(yè)數(shù)： 8/23頁(yè)
文件大?。?/td> 355K
代理商： TPS77427
TPS77301, TPS77318, TPS77327, TPS77328, TPS77333 WITH RESET OUTPUT
TPS77401, TPS77418, TPS77427, TPS77428, TPS77433 WITH POWER GOOD OUTPUT
250-mA LDO REGULATORS WITH INTEGRATED RESET OR PG
SLVS281A – FEBRUARY 2000 – REVISED MARCH 2000
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
μ
F (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
VO
MAX
UNIT
Adjustable
voltage
1.5 V
≤
VO
≤
5.5 V,
1.5 V
≤
VO
≤
5.5 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
TJ = 25
°
C
0.98VO
1.02VO
1 8 V Output
1.8 V Output
2.8 V < VIN < 10 V
1.8
1.764
1.836
Output voltage (see Notes 2 and 4)
2 7 V Output
2.7 V Output
3.7 V < VIN < 10 V
2.7
V
2.646
2.754
2 8 V Output
2.8 V Output
3.8 V < VIN < 10 V
2.8
2.744
2.856
3 3 V Output
3.3 V Output
4.3 V < VIN < 10 V
3.3
3.234
3.366
Quiescent current (GND current) (see Notes 2 and 4)
92
μ
A
125
Output voltage line regulation (
VO/VO
)
(see Note 3)
VO + 1 V < VI
≤
10 V,
VO + 1 V < VI
≤
10 V
TJ = 25
°
C
BW = 300 Hz to 100 kHz, TJ = 25
°
C,
TPS77318, TPS77418
TJ = 25
°
C
0.005
%/V
0.05
%/V
Load regulation
1
mV
Output noise voltage
55
μ
Vrms
Output current limit
VO = 0 V
2 ms pulse width,
0.9
1.3
A
Peak output current
50% duty cycle
400
mA
°
C
μ
A
μ
A
Thermal shutdown junction temperature
144
Standby current
EN = VI,
EN = VI
TJ = 25
°
C
1
3
FB input current
Adjustable
voltage
FB = 1.5 V
1
μ
A
High level enable input voltage
2
V
Low level enable input voltage
0.7
V
μ
A
dB
V
Enable input current
–1
1
Power supply ripple rejection (TPS77318, TPS77418)
Minimum input voltage for valid PG
f = 1 kHz,
I(PG) = 300
μ
A
VO decreasing
Measured at VO
VI = 2.7 V,
V(PG) = 5 V
TJ = 25
°
C
V(PG)
≤
0.8 V
55
1.1
PG
(TPS774xx)
Trip threshold voltage
79
85
%VO
%VO
V
Hysteresis voltage
0.5
Output low voltage
I(PG) = 1 mA
0.15
0.4
Leakage current
1
μ
A
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 Vimax = 10 V, Vimin = 2.7 V:
VOVimax
100
Line regulation (mV)
% V
2.7 V
1000
If VO > 2.5 V then Vimax = 10 V, Vimin = Vo + 1 V:
Line regulation (mV)
% V
VOVimax
VO
1
100
1000
4. IO = 1 mA to 250 mA
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TPS77427DGK 功能描述:低壓差穩(wěn)壓器 - LDO Fast Transient Response 250-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77427DGKG4 功能描述:低壓差穩(wěn)壓器 - LDO Fast Transient Response 250-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77427DGKR 功能描述:低壓差穩(wěn)壓器 - LDO Fast Transient Response 250-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77427DGKRG4 功能描述:低壓差穩(wěn)壓器 - LDO Fast Transient Response 250-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77428DGK 功能描述:低壓差穩(wěn)壓器 - LDO Fast Transient Response 250-mA 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(lèi)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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