參數(shù)資料
型號: MAX8884YEREKE+T
廠商: Maxim Integrated
文件頁數(shù): 4/17頁
文件大小: 579K
描述: IC REG TRPL BCK/LINEAR 16UCSP
產(chǎn)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(shù): 3
頻率 - 開關(guān): 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(qū)動器:
帶監(jiān)控器:
帶序列發(fā)生器:
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(yīng)商設(shè)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
4  _______________________________________________________________________________________
STEP-DOWN CONVERTER EFFICIENCY
vs. LOAD CURRENT, V
OUT
 = 1.8V
LOAD CURRENT (mA)
100
10
40
50
60
70
80
90
100
30
1
1000
MAX8884Y, V
IN
 = 3.2V
= 3.6V
= 4.2V
MAX8884Z, V
IN
 = 3.2V
= 3.6V
= 4.2V
STEP-DOWN CONVERTER EFFICIENCY
vs. LOAD CURRENT, V
OUT
 = 1.2V
LOAD CURRENT (mA)
100
10
40
50
60
70
80
90
100
30
1
1000
MAX8884Y, V
IN
 = 3.2V
= 3.6V
= 4.2V
MAX8884Z, V
IN
 = 3.2V
= 3.6V
= 4.2V
STEP-DOWN CONVERTER NO-LOAD
SUPPLY CURRENT vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
5
4
3
2
1
50
100
150
200
250
300
0
0
6
V
BUCK_EN
 = V
IN
V
LDO1_EN
 = V
LDO2_EN
 = 0
V
IN
 FALLING
V
IN
 RISING
MAX8884Y
MAX8884Z
STEP-DOWN OUTPUT VOLTAGE vs. LOAD
CURRENT (VOLTAGE POSITIONING)
LOAD CURRENT (mA)
100
10
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.0
1
1000
SEL = IN1_
SEL = AGND
MAX8884Z STEP-DOWN CONVERTER
LIGHT LOAD SWITCHING WAVEFORMS
MAX8884Y/Z toc05
400ns/div
I
LX
V
OUT
V
LX
0A
2V/div
100mA/div
AC-COUPLED
20mV/div
0V
MAX8884Y STEP-DOWN CONVERTER
LIGHT LOAD SWITCHING WAVEFORMS
MAX8884Y/Z toc06
1祍/div
I
LX
V
OUT
V
LX
0A
2V/div
100mA/div
AC-COUPLED
10mV/div
0V
I
LOAD
 = 50mA
MAX8884Z STEP-DOWN CONVERTER
HEAVY LOAD SWITCHING WAVEFORMS
MAX8884Y/Z toc07
200ns/div
I
LX
V
OUT
V
LX
0A
2V/div
500mA/div
AC-COUPLED
10mV/div
0V
I
LOAD
 = 500mA
MAX8884Y STEP-DOWN CONVERTER
HEAVY LOAD SWITCHING WAVEFORMS
MAX8884Y/Z toc08
400ns/div
I
LX
V
OUT
V
LX
0A
2V/div
500mA/div
AC-COUPLED
10mV/div
0V
I
LOAD
 = 500mA
Typical Operating Characteristics
(V
IN
= V
IN1A
= V
IN1B
= V
IN2
= 3.6V, V
BUCK
= 1.2V, V
LDO1
= 1.8V, V
LDO2
= 2.8V, MAX8884YEVKIT, T
A
= +25癈, unless otherwise noted.)
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