參數(shù)資料
型號(hào): TPS5210PWPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO28
封裝: GREEN, PLASTIC, HTSSOP-28
文件頁(yè)數(shù): 35/35頁(yè)
文件大小: 846K
代理商: TPS5210PWPRG4
TPS5210
PROGRAMMABLE SYNCHRONOUS BUCK REGULATOR CONTROLLER
SLVS171A SEPTEMBER 1998 REVISED MAY 1999
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual junction temperature range,
VCC = 12 V, IDRV = 0 A (unless otherwise noted) (continued)
power good
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Undervoltage trip threshold
90
93
95
%VREF
VOL
Low-level output voltage
IO = 5 mA
0.5
0.75
V
IOH
High-level input current
VPWRGD = 6 V
1
A
Vhys
Hysteresis voltage
1.3
2.9
4.5
%VREF
slowstart
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Charge current
VSLOWST = 0.5 V,
IVREFB = 65 A
VVREFB = 1.3 V,
10.4
13
15.6
A
Discharge current
VSLOWST = 1 V
3
mA
Comparator input offset voltage
10
mV
Comparator input bias current
See Note 3
10
100
nA
Comparator hysteresis
7.5
mV
NOTE 3: This parameter is ensured by design and is not production tested.
hysteretic comparator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input offset voltage
VDROOP = 0 V (see Note 3)
2.5
mV
Input bias current
See Note 3
500
nA
Hysteresis accuracy
VREFB – VHYST = 15 mV
(Hysteresis window = 30 mV)
3.5
mV
Maximum hysteresis setting
VREFB – VHYST = 30 mV
60
mV
NOTE 3: This parameter is ensured by design and is not production tested.
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