参数资料
型号: TPS56100PWPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.4 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28
封装: GREEN, PLASTIC, HTSSOP-28
文件页数: 2/30页
文件大小: 595K
代理商: TPS56100PWPR
TPS56100
HIGHEFFICIENCY DSP POWER SUPPLY CONTROLLER
FOR 5V INPUT SYSTEMS
SLVS201A JUNE 1999 REVISED JULY 1999
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual junction temperature range,
VCC = 5 V (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 = 2.5 mA
0.4
0.75
V
IOH
High-level input current
VPWRGD = 5 V
1
A
Vhys
Hysteresis voltage
3
%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
18
mV
Comparator input bias current
See Note 3
10
100
nA
Comparator hysteresis
8.5
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
See Note 3
4
mV
Input bias current
See Note 3
500
nA
Hysteresis accuracy
VREFB – VHYST = 15 mV
(Hysteresis window = 30 mV)
5
mV
Maximum hysteresis setting
VREFB – VHYST = 30 mV
60
mV
NOTE 3: This parameter is ensured by design and is not production tested.
thermal shutdown
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Over temperature trip point
See Note 3
160
°C
Hysteresis
See Note 3
10
°C
NOTE 3: This parameter is ensured by design and is not production tested.
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