參數(shù)資料
型號： TPS5211PWP
廠商： Texas Instruments, Inc.
英文描述： HIGH FREQUENCY PROGRAMMABLE HYSTERETIC REGULATOR CONTROLLER
中文描述： 可編程滯高頻穩(wěn)壓控制器
文件頁數(shù)： 10/32頁
文件大?。?/td> 469K
代理商： TPS5211PWP
TPS5211
HIGH FREQUENCY PROGRAMMABLE HYSTERETIC
REGULATOR CONTROLLER
SLVS243 – SEPTEMBER 1999
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual junction temperature range,
V
CC
= 12 V, I
DRV
= 0 A (unless otherwise noted) (continued)
overvoltage protection
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Overvoltage trip threshold
112
115
120
%VREF
mV
Hysteresis
See Note 3
10
NOTE 3: This parameter is ensured by design and is not production tested.
overcurrent protection
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OCP trip threshold
90
100
110
mV
Input bias current
100
nA
deadtime
PARAMETER
TEST CONDITIONS
MIN
2.4
TYP
MAX
UNIT
LOHIB
High-level input voltage
V
Low-level input voltage
1.4
LOWDR
High-level input voltage
Low-level input voltage
See Note 3
See Note 3
3
V
1.7
NOTE 3: This parameter is ensured by design and is not production tested.
LODRV
PARAMETER
TEST CONDITIONS
MIN
1.85
TYP
MAX
UNIT
LODRV
High-level input voltage
V
Low-level input voltage
0.95
droop compensation
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Initial accuracy
VDROOP = 50 mV
46
54
mV
drive regulator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
11.4 V
≤
VCC
≤
12.6 V,
1 mA
≤
IDRV
≤
50 mA
IDRV = 120 mA
7
9
V
Output regulation
100
mV
Short-circuit current
120
mA
bias regulator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
11.4 V
≤
VCC
≤
12.6 V,
See Note 4
6
V
NOTE 4: The bias regulator is designed to provide a quiet bias supply for the TPS5211 controller. External loads should not be driven by the bias
regulator.
input undervoltage lockout
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Start threshold
9.25
10
10.75
V
Hysteresis
1.9
2
2.2
V
Stop threshold
7.5
V
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