參數(shù)資料
型號(hào): TPS75125QPWPRQ1
廠商: Texas Instruments, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS
中文描述: 快速瞬態(tài)響應(yīng)1.5低壓差電壓調(diào)節(jié)器
文件頁(yè)數(shù): 9/27頁(yè)
文件大?。?/td> 398K
代理商: TPS75125QPWPRQ1
TPS75101-Q1,
75115-Q1,
75118-Q1,
75125-Q1,
75133-Q1 WITH POWER GOOD
TPS75301-Q1, TPS75315-Q1, TPS75318-Q1, TPS75325-Q1, TPS75333-Q1 WITH RESET
FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS
SGLS159
APRIL 2003
9
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
= 47
μ
F (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
1.1
MAX
1.3
UNIT
V
Minimum input voltage for valid RESET
IO(RESET) = 300
μ
A,
VO decreasing
Measured at VO
IO(RESET) = 1 mA
V(RESET) = 5.5 V
V(RESET)
0.8 V
Trip threshold voltage
92
98
%VO
%VO
V
μ
A
ms
μ
A
μ
A
V
Reset
(TPS753xxQ)
Hysteresis voltage
0.5
Output low voltage
0.15
0.4
Leakage current
1
RESET time-out delay
100
Input current (EN)
EN = VI
EN = 0 V
1
1
1
0
1
High level EN input voltage
2
Low level EN input voltage
0.7
V
Dropout voltage, (3.3 V output) (see Note 4)
Dro out voltage, (3.3 V out ut) (see Note 4)
IO = 1.5 A,
TJ = 25
°
C
IO = 1.5 A,
VI = 3.2 V,
160
mV
VI = 3.2 V
300
NOTE 4: IN voltage equals VO(Typ)
100 mV; TPS75x15Q, TPS75x18Q and TPS75x25Q dropout voltage limited by input voltage range limitations
(i.e., TPS75x33Q input voltage needs to drop to 3.2 V for purpose of this test).
Table of Graphs
FIGURE
2, 3
VO
Output voltage
vs Output current
vs Junction temperature
4, 5
Ground current
vs Junction temperature
6
Power supply ripple rejection
vs Frequency
7
Output spectral noise density
vs Frequency
8
Zo
Output impedance
vs Frequency
9
VDO
Dropout voltage
vs Input voltage
10
vs Junction temperature
11
Input voltage (min)
vs Output voltage
12
Line transient response
13, 15
Load transient response
14, 16
VO
Output voltage
vs Time
17
Equivalent series resistance (ESR)
vs Output current
19, 20
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