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參數(shù)資料
| 型號(hào)： | TPS5210PWPG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 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)： | 2/35頁(yè) |
| 文件大?。?/td> | 846K |
| 代理商： | TPS5210PWPG4 |
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TPS5210
PROGRAMMABLE SYNCHRONOUS BUCK REGULATOR CONTROLLER
SLVS171A SEPTEMBER 1998 REVISED MAY 1999
10
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)
high-side VDS sensing
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Gain
2
V/V
Initial accuracy
VHISENSE = 12 V,
VLOSENSE = 11.9 V,
Differential input to Vds sensing amp = 100 mV
194
206
mV
IOUTLO
Sink current
5 V
≤ VIOUTLO ≤ 13 V
250
nA
IOUT
Source current
VIOUT = 0.5 V,
VHISENSE = 12 V,
VIOUTLO = 11.5 V
500
A
IOUT
Sink current
VIOUT = 0.05 V, VHISENSE = 12 V,
VIOUTLO = 12 V
50
A
VHISENSE = 11 V, RIOUT = 10 k
0
2
V
Output voltage swing
VHISENSE = 4.5 V, RIOUT = 10 k
0
1.5
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
11.4 V
≤ VHISENSE ≤ 12.6 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
50
60
80
Sample/hold resistance
4.5 V
≤ VHISENSE ≤ 5.5 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
62
85
123
3 V
≤ VHISENSE ≤ 3.6 V,
LOSENSE connected to HISENSE,
VHISENSE VIOUTLO = 0.15 V
67
95
144
CMRR
VHISENSE = 12.6 V to 3 V,
VHISENSE VOUTLO = 100 mV
69
75
dB
NOTE 3. This parameter is ensured by design and is not production tested.
inhibit
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Start threshold
1.9
2.1
2.35
V
Hysteresis
0.08
0.1
0.12
V
Stop threshold
1.85
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
90
100
110
mV
Input bias current
100
nA
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