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參數(shù)資料
| 型號(hào)： | TSM1052 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | LEAD FREE, SOT-23, 6 PIN |
| 文件頁數(shù)： | 11/15頁 |
| 文件大?。?/td> | 262K |
| 代理商： | TSM1052 |
TSM1052
Electrical characteristics
5/15
2
Electrical characteristics
TJ = 25 °C and VCC = 5 V, unless otherwise specified
Table 5.
Electrical characteristics
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Device supply
VCC
Voltage operating range
1.7
18
V
ICC
Quiescent current
(Ictrl = Vsense = Vctr = 0,
OUT = open)
150
A
(1)
1.
Specification referred to -10 °C < TA < 85 °C
300
Voltage control loop op amp
Gmv
Transconductance
(sink current only) (2)
2.
If the voltage on Vctrl (the negative input of the amplifier) is higher than the positive amplifier input
(Vref = 1.21 V), and it is increased by 1mV, the sinking current at the output OUT will be increased by
3.5 mA.
13.5
S
(1)
2.5
Vref
Voltage reference (3)
3.
The internal Voltage Reference is set at 1.21 V (bandgap reference). The voltage control loop precision
takes into account the cumulative effects of the internal voltage reference deviation as well as the input
offset voltage of the transconductance operational amplifier. The internal Voltage Reference is fixed by
bandgap, and trimmed to 0.5% accuracy at room temperature.
1.198
1.21
1.222
V
(1)
1.186
1.234
Ibias
Inverting input bias current
50
nA
(1)
100
Current control loop
Gmi
Transconductance
(sink current only) (4)
4.
When the positive input at Ictrl is lower than -200 mV, and the voltage is decreased by 1mV, the sinking
current at the output Out will be increased by 7 mA.
1.5
7
S
(1)
Vsense
Current loop reference (5)
@ I(Iout) = 1 mA
5.
The internal current sense threshold is set at -200 mV. The current control loop precision takes into
account the cumulative effects of the internal voltage reference deviation as well as the input offset voltage
of the transconductance operational amplifier.
196
200
204
mV
(1)
192
208
Ibias
Non-inverting input source current @
V(Ictrl) = -200 mV
20
A
(1)
40
Output stage
VOUTlow Low output level @ 2 mA sink current
100
mV
(1)
200
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