参数资料
型号: TPS56100PWPRG4
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: 3/30页
文件大小: 595K
代理商: TPS56100PWPRG4
TPS56100
HIGHEFFICIENCY DSP POWER SUPPLY CONTROLLER
FOR 5V INPUT SYSTEMS
SLVS201A JUNE 1999 REVISED JULY 1999
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual junction temperature range,
VCC = 5 V (unless otherwise noted) (continued)
high-side VDS sensing
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Gain
2
V/V
Initial accuracy
VHISENSE = 5 V,
VLOSENSE = 4.5 V
194
206
mV
IOUTLO
Sink current
VIOUTLO = 5 V
250
nA
IOUT
Source current
VIOUT = 0.5 V,
VHISENSE = 5 V,
VIOUTLO = 4.5 V
500
A
IOUT
Sink current
VIOUT = 0.05 V, VHISENSE = 5 V,
VIOUTLO = 5 V
50
A
Output voltage swing
VHISENSE = 4.5 V, RIOUT = 10 k
0
1
V
Output voltage swing
VHISENSE = 3 V, RIOUT = 10 k
0
0.75
V
LOSENSE
High-level input voltage
VHISENSE = 4.5 V (see Note 3)
2.85
V
LOSENSE
Low-level input voltage
VHISENSE = 4.5 V (see Note 3)
2.4
V
Sample/hold resistance
4.5 V
≤ VHISENSE ≤ 5.5 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
62
85
123
Sample/hold resistance
3 V
≤ VHISENSE ≤ 3.6 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
67
95
144
CMRR
VHISENSE = 5.5 V to 3 V,
VHISENSE VOUTLO = 100 mV
62
65
dB
NOTE 3. This parameter is ensured by design and is not production tested.
inhibit
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Start threshold
1.85
2.1
2.35
V
Hysteresis
0.08
0.1
0.14
V
Stop threshold
1.76
V
overvoltage protection
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Overvoltage trip threshold
112
115
120
%VREF
Hysteresis
See Note 3
10
mV
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
80
100
125
mV
Input bias current
100
nA
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