參數(shù)資料
型號(hào): LP2985ITPX-1.8
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications
中文描述: 1.8 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PBGA5
封裝: MICRO, SMD-5
文件頁數(shù): 9/23頁
文件大?。?/td> 528K
代理商: LP2985ITPX-1.8
SLVS522C JULY 2004 REVISED OCTOBER 2004
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature range,
V
IN
= V
OUT
(nominal)
+ 1 V, V
ON/OFF
= 2 V, C
IN
= 1 F, I
L
= 1 mA, C
OUT
= 4.7 F (unless otherwise noted)
(continued)
PARAMETER
TEST CONDITIONS
TJ
LP2985A-XX
MIN
LP2985-XX
TYP
UNIT
TYP
MAX
MIN
MAX
Vn
Output noise
(RMS)
BW = 300 Hz to 50 kHz,
COUT = 10
μ
F,
CBYPASS = 10 nF
f = 1kHz,
COUT = 10
μ
F,
CBYPASS = 10 nF
25
°
C
30
30
μ
V
VOUT/ VIN
Ripple
rejection
25
°
C
45
45
dB
IOUT(PK)
Peak output
current
VOUT
VO(NOM) 5%
25
°
C
350
350
mA
IOUT(SC)
Short-circuit
current
RL = 0 (steady state)
(see Note 7)
25
°
C
400
400
mA
NOTE 7: See Typical Characteristics Curve, Short-Circuit Current vs VOUT
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