參數(shù)資料
型號(hào): ADP5041ACPZ-1-R7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 5/40頁(yè)
文件大小: 3581K
描述: IC REG TRPL BCK/LINEAR 20-LFCSP
標(biāo)準(zhǔn)包裝: 1
拓?fù)洌?/td> 降壓(降壓)同步(1),線性(LDO)(2)
功能: 任何功能
輸出數(shù): 3
頻率 - 開(kāi)關(guān): 3MHz
電壓/電流 - 輸出 1: 0.8 V ~ 3.8 V,1.2A
電壓/電流 - 輸出 2: 0.8 V ~ 5.2 V,300mA
電壓/電流 - 輸出 3: 0.8 V ~ 5.2 V,300mA
帶 LED 驅(qū)動(dòng)器: 無(wú)
帶監(jiān)控器:
帶序列發(fā)生器: 無(wú)
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 20-WFQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 20-LFCSP-WQ(4x4)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: ADP5041ACPZ-1-R7DKR
Data Sheet
ADP5041
 
Rev. 0 | Page 5 of 40
LDO1, LDO2 SPECIFICATIONS
V
IN2,
V
IN3
 = (V
OUT2
,V
OUT3
 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; AVIN, VIN1 e VIN2, VIN3; C
IN
 = 1 礔, C
OUT
 = 2.2 礔;
T
J
= 40癈 to +125癈 for minimum/maximum specifications and T
A
 = 25癈 for typical specifications, unless otherwise noted.
1
 
Table 4.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT VOLTAGE RANGE
V
IN2
, V
IN3
 
T
J
 = 40癈 to +125癈
1.7
 
5.5
V
OPERATING SUPPLY CURRENT
 
 
 
 
 
 
Bias Current per LDO
2
 
IVIN2BIAS/IVIN3BIAS
IOUT3 = IOUT4 = 0 礎(chǔ)
 
10
30
礎(chǔ)
 
 
I
OUT2
 = I
OUT3
 = 10 mA
 
60
100
礎(chǔ)
 
 
I
OUT2
 = I
OUT3
 = 300 mA
 
165
245
礎(chǔ)
Total System Input Current
IIN
Includes all current into AVIN, VIN1, VIN2, and
VIN3
 
 
 
 
LDO1 or LDO2 Only
 
I
OUT2
 = I
OUT3
 = 0 礎(chǔ), all other channels disabled
 
53
 
礎(chǔ)
LDO1 and LDO2 Only
 
IOUT2 = IOUT3 = 0 礎(chǔ), buck disabled
 
74
 
礎(chǔ)
OUTPUT VOLTAGE ACCURACY
V
OUT2
,
 
V
OUT3
 
 
 
 
 
 
 
 
100 礎(chǔ) < I
OUT2
 < 300 mA, 100 礎(chǔ) < I
OUT3
 < 300 mA
VIN2 = (VOUT2 + 0.5 V) to 5.5 V
VIN3 = (VOUT3 + 0.5 V) to 5.5 V
3
 
+3
%
REFERENCE VOLTAGE
VFB2,VFB3
 
0.485
0.500
0.515
V
REGULATION
 
 
 
 
 
 
Line Regulation
(擵OUT2/VOUT2)/擵IN2 
(擵OUT3/VOUT3)/擵IN3
VIN2 = (VOUT2 + 0.5 V) to 5.5 V
VIN3 = (VOUT3 + 0.5 V) to 5.5 V
0.03
 
+0.03
%/V
 
 
IOUT2 = IOUT3 = 1 mA
 
 
 
 
Load Regulation
3
 
(擵OUT2/VOUT2)/擨OUT2 
(擵OUT3/VOUT3)/擨OUT3 
IOUT2 = IOUT3 = 1 mA to 300 mA
 
0.002
0.0075
%/mA
DROPOUT VOLTAGE
4
 
V
DROPOUT
 
 
 
 
 
 
 
 
V
OUT2
 = V
OUT3
 = 5.0 V, I
OUT2
 = I
OUT3
 = 300 mA
 
72
 
mV
 
 
VOUT2 = VOUT3 = 3.3 V, IOUT2 = IOUT3 = 300 mA
 
86
140
mV
 
 
VOUT2 = VOUT3 = 2.5 V, IOUT2 = IOUT3 = 300 mA
 
107
 
mV
 
 
VOUT2 = VOUT3 = 1.8 V, IOUT2 = IOUT3 = 300 mA
 
180
 
mV
ACTIVE PULL-DOWN
RPDLDO
EN2/EN3 = 0 V
 
600
 
&
CURRENT-LIMIT THRESHOLD
5
 
I
LIMIT
 
T
J
 = 40癈 to +125癈
335
470
 
mA
OUTPUT NOISE
OUTLDO2NOISE
10 Hz to 100 kHz, VIN3 = 5 V, VOUT3 = 3.3 V
 
123
 
礦 rms
 
 
10 Hz to 100 kHz, VIN3 = 5 V, VOUT3 = 2.8 V
 
110
 
礦 rms
 
 
10 Hz to 100 kHz, VIN3 = 5 V, VOUT3 = 1.5 V
 
59
 
礦 rms
 
OUTLDO1NOISE
10 Hz to 100 kHz, VIN2 = 5 V, VOUT2 = 3.3 V
 
140
 
礦 rms
 
 
10 Hz to 100 kHz, VIN2 = 5 V, VOUT2 = 2.8 V
 
129
 
礦 rms
 
 
10 Hz to 100 kHz, VIN2 = 5 V, VOUT2 = 1.5 V
 
66
 
礦 rms
POWER SUPPLY REJECTION
RATIO
PSRR
1 kHz, V
IN2
, V
IN3
 = 3.3 V, V
OUT2
, V
OUT3
 = 2.8 V,
I
OUT
 = 100 mA
 
66
 
dB
 
 
100 kHz, VIN2, VIN3 = 3.3 V, VOUT2, VOUT3 = 2.8 V,
IOUT = 100 mA
 
57
 
dB
 
 
1 MHz, VIN2, VIN3 = 3.3 V, VOUT2, VOUT3 = 2.8 V,
IOUT = 100 mA
 
60
 
dB
 
1
 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
2
 This is the input current into VIN2 and VIN3 that is not delivered to the output load.
3
 Based on an end-point calculation using 1 mA and 300 mA loads.
4
 Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. This applies only to output voltages
above 1.7 V.
5
 Current-limit threshold is defined as the current at which the output voltage drops to 90% of the specified typical value. For example, the current limit for a 3.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 3.0 V, or 2.7 V.
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