參數(shù)資料
型號(hào)： MAX888ECJ
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Wireless and Satellite Handset Power-Management ICs
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP32
封裝： 7 X 7 MM, 1.40 MM HEIGHT, TQFP-32
文件頁(yè)數(shù)： 7/20頁(yè)
文件大?。?/td> 257K
代理商： MAX888ECJ
M
Wireless and S atellite Handset
Power-Management ICs
_______________________________________________________________________________________
7
70
0
0.01
0.1
1
10
100
1,000
REG1 POWER-SUPPLY REJECTION
RATIOvs. FREQUENCY
10
M
FREQUENCY (kHz)
P
30
20
40
60
50
V
OUT1
= 3.3V
I
OUT1
= 10mA
C
OUT1
= 2.2
μ
F
70
0
0.01
0.1
1
10
100
1,000
REG2 POWER-SUPPLY REJECTION
RATIOvs. FREQUENCY
10
M
FREQUENCY (kHz)
P
30
20
40
60
50
V
OUT2
= 3.3V
I
OUT2
= 20mA
C
OUT2
= 2.2
μ
F
400
μ
s/div
REG0 TURN-ON DELAY
MAX886/88-12
I
OUT0
= 20mA
V
ON
(2V/div)
V
(2V/div)
400
μ
s/div
REG0 LINE-TRANSIENT RESPONSE
(PWM MODE)
MAX886/88-13
V
BATT
= 7V TO8V, I
= 500mA,
V
OUT0
= 3.75V, AC-COUPLED
REG0 LOAD-TRANSIENT RESPONSE
(PWM MODE)
V
BATT
(500mV/div)
V
(100mV/div)
400
μ
s/div
MAX886/88-16
V
BATT
= 5.4V, I
OUT0
= 0 TO500mA,
V
OUT0
= 3.75V, AC-COUPLED
I
OUT0
(200mA/div)
V
OUT0
(100mV/div)
400
μ
s/div
REG0 LINE-TRANSIENT RESPONSE
(PFM MODE)
MAX886/88-14
V
BATT
= 7V TO8V, I
OUT0
= 5mA,
V
OUT0
= 3.75V, AC-COUPLED
REG0 LOAD-TRANSIENT RESPONSE
(PFM MODE)
V
(500mV/div)
V
(100mV/div)
400
μ
s/div
REG2 LINE-TRANSIENT RESPONSE
(IN2 CONNECTED TOOUT0)
MAX886/88-15
V
BATT
= 7V TO8V, I
OUT2
= 5mA,
V
OUT2
= 3.3V, AC-COUPLED
REG2 LOAD-TRANSIENT RESPONSE
(IN2 CONNECTED TOBATT)
V
(500mV/div)
V
OUT2
(100mV/div)
400
μ
s/div
MAX886/88-17
V
BATT
= 5.4V, I
OUT0
= 0 TO500mA,
V
OUT0
= 3.75V, AC-COUPLED
I
OUT0
(200mA/div)
V
OUT0
(100mV/div)
400
μ
s/div
MAX886/88-18
V
BATT
= V
IN2
= 5.4V, I
OUT2
= 0 TO200mA,
V
OUT2
= 3.3V, AC-COUPLED
I
OUT2
(200mA/div)
V
OUT2
(100mV/div)
Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 2, REG0 to REG5 outputs at POR states, V
OUT0
= 3.75V, V
OUT4
= 5.25V, V
OUT1
= V
OUT2
= V
OUT3
= V
OUT5
= 3.3V,
T
A
= +25°C, unless otherwise noted.)
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