參數(shù)資料
型號: TPS5625CPWPR
元件分類: 基準電壓源/電流源
英文描述: Voltage-Mode SMPS Controller
中文描述: 電壓模式開關(guān)電源控制器
文件頁數(shù): 7/34頁
文件大小: 811K
代理商: TPS5625CPWPR
TPS56302
DUAL-OUTPUT LOW-INPUT-VOLTAGE
DSP POWER SUPPLY CONTROLLER WITH SEQUENCING
SLVS289A
MARCH 2000
REVISED OCTOBER 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics T
J
= 0
°
to 125
°
C, V
CC
= 2.8 V to 5.5 V (unless otherwise noted) (continued)
overvoltage protection
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
OVP ripple regulator trip point (RR)
Upper threshold
112
115
120
%VREF
Hysteresis (RR)
Upper threshold
lower threshold,
(see Note 2)
10
mV
Comparator propagation delay time (RR)
Voverdrive = 30 mV,
Voverdrive = 30 mV,
Upper threshold
See Note 2
1
μ
s
μ
s
Deglitch time (includes comparator propagation delay time) (RR)
See Note 2
2.25
11
OVP LDO trip point (LDO)
112
115
120
% VREF
Hysteresis (LDO)
Upper threshold
lower threshold,
(see Note 2)
10
mV
Comparator propagation delay time (LDO)
Voverdrive = 50 mV,
See Note 2
1
μ
s
Deglitch time (includes comparator propagation delay time)
(LDO)
NOTE 2. Ensured by design, not production tested.
Voverdrive = 50 mV,
See Note 2
2.25
11
μ
s
undervoltage protection
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
UVP ripple regulator trip point (RR)
Lower threshold
70
75
80
% VREF
Hysteresis (RR)
Upper threshold
lower threshold,
(see Note 2)
10
mV
Comparator propagation delay time (RR)
Voverdrive = 50 mV,
See Note 2
1
μ
s
Deglitch time (includes comparator
propagation delay time) (RR)
Voverdrive = 50 mV,
See Note 2
0.1
1
ms
UVP LDO trip point (LDO)
Lower threshold
70
75
80
% VREF
Hysteresis (LDO)
Upper threshold
lower threshold,
(see Note 2)
10
mV
Comparator propagation delay time (LDO)
Voverdrive = 50 mV, See Note 2
1
μ
s
Deglitch time (includes comparator
propagation delay time) (LDO)
NOTE 2. Ensured by design, not production tested.
Voverdrive = 50 mV, See Note 2
0.1
1
ms
inhibit comparator
PARAMETER
CONDITIONS
MIN
TYP
2.1
MAX
2.35
UNITS
Start threshold
V
TJ =
40
°
C,
See Note 2
2.1
Stop threshold
NOTE 2. Ensured by design, not production tested.
1.79
V
VDRV UVLO
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Start threshold
See Note 2
4.9
V
Hysteresis
See Note 2
0.3
0.35
V
Stop threshold
NOTE 2. Ensured by design, not production tested.
See Note 2
4.4
V
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