參數(shù)資料
型號(hào): TPS77450DGKR
廠商: Texas Instruments, Inc.
英文描述: 250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
中文描述: 250毫安LDO穩(wěn)壓器有8引腳MSOP封裝
文件頁(yè)數(shù): 7/24頁(yè)
文件大?。?/td> 347K
代理商: TPS77450DGKR
TPS77301/315/316/318/327/328/333/350 WITH RESET OUTPUT
TPS77401
/
415
/
418
/
427
/
428
/
433
/
450 WITH POWER GOOD OUTPUT
250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
SLVS281E
FEBRUARY 2000
REVISED JULY 2001
7
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,
2.7 V < VIN < 10 V
TJ = 25
°
C,
2.7 V < VIN < 10 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,
6.0 V < VIN < 10 V
TJ = 25
°
C
TJ = 25
°
C
V
0.98VO
1.02VO
1 5 V Output
1.5-V Output
2.7 V < VIN < 10 V
1.5
V
1.470
1.530
1 6 V Output
1.6-V Output
2.7 V < VIN < 10 V
1.6
V
1.568
1.632
1 8 V Output
1.8-V Output
2.8 V < VIN < 10 V
1.8
Output voltage (see Notes 2 and 4)
1.764
1.836
2 7 V Output
2.7-V Output
3.7 V < VIN < 10 V
2.7
2.646
2.754
V
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
5 0 V Output
5.0-V Output
6.0 V < VIN < 10 V
5.0
V
4.900
5.100
Quiescent current (GND current) (see Notes 2 and 4)
92
125
μ
A
V /V
)
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
Enable input current
1
1
Power supply ripple rejection (TPS77318, TPS77418)
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 VI(max) = 10 V, VI(min) = 2.7 V:
f = 1 kHz,
TJ = 25
°
C
55
Line regulation (mV)
% V
VOVI(max)
2.7 V
100
1000
If VO > 2.5 V then VI(max) = 10 V, VI(min) = VO + 1 V:
Line regulation (mV)
% V
VOVI(max)
VO
1
100
1000
4. IO = 1 mA to 250 mA
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