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參數(shù)資料
| 型號： | LP2985A |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數(shù)： | 7/23頁 |
| 文件大?。?/td> | 528K |
| 代理商： | LP2985A |
SLVS522C JULY 2004 REVISED OCTOBER 2004
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over the virtual junction temperature range (unless otherwise noted)
Continuous input voltage range, V
IN
ON/OFF input voltage range, V
ON/OFF
Output voltage range (see Note 1)
Input/output voltage differential range, V
IN
-V
OUT
(see Note 2)
Output current, I
O
(see Note 3)
Package thermal impedance,
θ
JA
(see Notes 3 and 4): DBV package
0.3 V to 16 V
0.3 V to 16 V
0.3 V to 9 V
0.3 V to 16 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internally limited (short-circuit protected)
. . . . . . . . . . . . . . . . . . . . . . . .
YEQ/YZQ package
. . . . . . . . . . . . . . . . . .
YEU/YZU package
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
206
°
C/W
TBD
°
C/W
TBD
°
C/W
150
°
C
Operating virtual junction temperature
Storage temperature range, T
stg
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. If load is returned to a negative power supply in a dual-supply system, the output must be diode clamped to GND.
2. The PNP pass transistor has a
parasitic
diode connected between the input and output. This diode normally is reverse biased
(VIN
>
VOUT), but will be forward biased if the output voltage exceeds the input voltage by a diode drop (see Application Information
for more details).
3. Maximum power dissipation is a function of TJ(max), JA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) TA)/JA. Operating at the absolute maximum TJ of 150
°
C can affect reliability.
4. The package thermal impedance is calculated in accordance with JESD 51-7.
65
°
C to 150
°
C
recommended operating conditions
MIN
MAX
UNIT
VIN
VON/OFF
IOUT
TJ
Recommended minimum VIN is the greater of:
a) 2.5 V or
b) VOUT(max) + rated dropout voltage (max) for operating IL.
Supply input voltage
16
V
ON/OFF input voltage
0
VIN
150
V
Output current
mA
Virtual junction temperature
40
125
°
C
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| LP2985A-10DBVR | 功能描述:低壓差穩(wěn)壓器 - LDO 150mA Lo-Noise LDO Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2985A-10DBVT | 功能描述:低壓差穩(wěn)壓器 - LDO 150mA Lo-Noise LDO Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2985A-18DBVJ | 功能描述:低壓差穩(wěn)壓器 - LDO Sgl Output LDO,150mA Fixed,Low Quies Crnt RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2985A18DBVR | 制造商:TI 功能描述:Pb Free |
| LP2985A-18DBVR | 功能描述:低壓差穩(wěn)壓器 - LDO 150-mA 1% Tolerance Low-Noise LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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