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參數資料
| 型號： | MAX8884YEREKE+T |
| 廠商： | Maxim Integrated |
| 文件頁數： | 3/17頁 |
| 文件大小： | 579K |
| 描述： | IC REG TRPL BCK/LINEAR 16UCSP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 拓撲： | 降壓（降壓）同步（1），線性（LDO）（2） |
| 功能： | 任何功能 |
| 輸出數： | 3 |
| 頻率 - 開關： | 2MHz |
| 電壓/電流 - 輸出 1： | 1.2 V/1.8 V，700mA |
| 電壓/電流 - 輸出 2： | 1.2 V/1.8 V，300mA |
| 電壓/電流 - 輸出 3： | 1.2 V/1.8 V，300mA |
| 帶 LED 驅動器： | 無 |
| 帶監控器： | 無 |
| 帶序列發生器： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFBGA，CSPBGA |
| 供應商設備封裝： | 16-UCSP（4x4） |
| 包裝： | 帶卷 (TR) |
700mA DC-DC Step-Down Converters
with Dual 300mA LDO in 2mm x 2mm CSP
_______________________________________________________________________________________ 3
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
T
A
= +25癈
0.1 1
LX Leakage Current
V
IN1A
= V
IN1B
= V
IN2
= 5.5V,
V
LX
= 0
T
A
= +85癈
1
礎
p-Channel MOSFET Peak Current
Limit
V
LX
= 0
0.8 1.0 1.2 A
n-Channel MOSFET Valley
Current Limit
0.6 0.8 1.0 A
MAX8884Y_
40
n-Channel MOSFET
Zero-Crossing Threshold
MAX8884Z_
60
mA
Minimum On-Time
0.07 祍
Minimum Off-Time
0.06 祍
Power-Up Delay
From V
BUCK_EN
rising to V
LX
rising
120 250 祍
LDO1, LDO2
SEL = AGND
1.764 1.800 1.836
Output Voltage V
LDO1
V
IN2
= 5.5V, I
LDO_
= 1mA;
V
IN2
= 3.4V, I
LDO_
= 100mA
SEL = IN1_
2.800
V
Output Voltage V
LDO2
V
IN2
= 5.5V, I
LDO_
= 1mA;
V
IN2
= 3.4V, I
LDO_
= 100mA
2.770 2.800 2.830 V
Output Current
300
mA
Current Limit
V
LDO_
= 0
310 450 750 mA
Dropout Voltage
I
LDO_
= 100mA, T
A
= +25癈 (V
LDO_
2.5V)
70 200 mV
Line Regulation
V
IN2
stepped from 3.5V to 5.5V, I
LDO_
= 100mA
2.4 mV
Load Regulation
I
LDO_
stepped from 50礎 to 200mA
25 mV
Power-Supply Rejection
V
LDO_
/V
IN2
10Hz to 100kHz, V
LDO_
= 1.8V,
C
LDO_
= 2.2礔, I
LDO_
= 30mA
65 dB
Output Noise
10Hz to 100kHz, V
LDO_
= 1.8V,
C
LDO_
= 2.2礔, I
LDO_
= 30mA
26 礦
RMS
0 < I
LDO_
< 10mA
0.1
10mA < I
LDO_
< 200mA
1
Output Capacitor for Stable
Operation
200mA < I
LDO_
< 300mA
2.2
礔
Shutdown Output Impedance V
LDO1_EN
= V
LDO2_EN
= 0
100
Power-Up Delay
From V
LDO_EN
rising to V
LDO_
output rising
150 250 祍
REFBP
REFBP Output Voltage
0 I
REFBP
1礎
1.237 1.250 1.263 V
REFBP Supply Rejection
V
IN2
stepped from 2.55V to 5.5V
0.2 5 mV
ELECTRICAL CHARACTERISTICS (continued)
(V
IN1A
= V
IN1B
= V
IN2
= V
LDO1_EN
= V
LDO2_EN
= V
BUCK_EN
= 3.6V. T
A
= -40癈 to +85癈, typical values are at T
A
= +25癈, unless
otherwise noted.) (Note 1)
Note 1:All devices are 100% production tested at T
A
= +25癈. Limits over the operating temperature range are guaranteed by
design.
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| MAX8885EUK25+T | 功能描述:低壓差穩壓器 - LDO 150mA Linear 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:0.3 % 輸出端數量: 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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