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參數資料
型號: XRP7740ILBTR-F
廠商: Exar Corporation
文件頁數: 2/28頁
文件大小: 1610K
描述: IC REG 5OUT BCK/LINEAR 40TQFN
產品變化通告: Packing Change 15/Oct/2010
標準包裝: 3,000
系列: PowerXR
拓撲: 降壓(降壓)同步(4),線性(LDO)(1)
功能: 任何功能
輸出數: 5
頻率 - 開關: 1.5MHz
電壓/電流 - 輸出 1: 控制器
電壓/電流 - 輸出 2: 控制器
電壓/電流 - 輸出 3: 控制器
帶 LED 驅動器:
帶監控器:
帶序列發生器:
電源電壓: 6.5 V ~ 20 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 40-WFQFN 裸露焊盤
供應商設備封裝: 40-TQFN(6x6)
包裝: 帶卷 (TR)
配用: 1016-1352-ND - EVAL BOARD FOR XRP7740
1016-1344-ND - IN-SOCKET PROG BRD VIA USB/GUI
X
X
R
R
P
P
7
7
7
7
0
0
8
8
 
 
a
a
n
n
d
d
 
 
X
X
R
R
P
P
7
7
7
7
4
4
0
0
 
 
Q
Q
u
u
a
a
d
d
 
 
C
C
h
h
a
a
n
n
n
n
e
e
l
l
 
 
D
D
i
i
g
g
i
i
t
t
a
a
l
l
 
 
P
P
W
W
M
M
 
 
S
S
t
t
e
e
p
p
 
 
D
D
o
o
w
w
n
n
 
 
C
C
o
o
n
n
t
t
r
r
o
o
l
l
l
l
e
e
r
r
s
s
 
 
 
?2012 Exar Corporation
2/28
Rev. 1.2.2
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect
reliability.
VCCA, VCCD, LDOOUT, GLx, VOUTx ............................ 6V
AVDD, DVDD ........................................................ 2.0V
VIN1, VIN2 ............................................................ 22V
LXx .............................................................. -1V to 22V
Logic Inputs ............................................................. 6V
BSTx, GHx .................................................... VLXx + 5V
Storage Temperature .............................. -65癈 to 150癈
Lead Temperature (Soldering, 10 sec) ................... 300癈
OPERATING RATINGS
Operating Input Voltage VIN
X
 ........................ 6.5V to 20V
Junction Temperature Range .................... -40癈 to 125癈
Thermal Resistance ?/DIV>
JA
 ....................................24.3癈/W
 
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Junction Temperature of T
J
 = 25癈 only; limits applying over the full
Operating Junction Temperature range are denoted by a ". Minimum and Maximum limits are guaranteed through test,
design, or statistical correlation. Typical values represent the most likely parametric norm at T
J
 = 25癈, and are provided for
reference purposes only. Unless otherwise indicated, VIN
1
  = 6.5V to 20V, VIN
2
  = 6.5V to 20V, Enable=HIGH,
C
GL
 = C
GH
 = 1nF.
Quiescent Current
Parameter
Min.
Typ.
Max.
Units
 
Conditions
VIN Supply Current in STANDBY
 
9
 
mA
 
LDOOUT enabled (no load)
No switching converter channels enabled
I
2
C communication active
Switching frequency = 400kHz
VIN Supply Current in
SHUTDOWN
 
180
 
    EN=0V, VIN1=VIN2=12V
VIN Supply Current
 
28
 
mA
 
4 channels running,
GH and GH = 1nF load each
VIN=12V, Switching frequency = 300kHz
VIN Supply Current
 
50
 
mA
 
4 channels running,
GH and GH = 1nF load each
VIN=12V, Switching frequency = 1MHz
Step Down Controllers
Parameter
Min.
Typ.
Max.
Units
 
Conditions
VOUT Regulation Accuracy
-20
 
20
mV
"
0.9V d VOUT d 2.5V
-40
 
40
mV
"
2.6V d VOUT d 5.1V
VOUT regulation range
0.9
 
5.1
 
"   Programmable range of each channel
1
 
VOUT set point resolution
50
 
 
    0.9V d VOUT d 2.5V
VOUT set point resolution
 
100
 
 
 
2.6V d VOUT d 5.1V
VOUT Input Current
 
 
1
uA
"
0.9V < VOUT <= 2.5V
VOUT Input Resistance
 
120
 
k&
 
2.6V d VOUT d 5.1V
Note 1: Voltages above 5.1V can be obtained by using an external voltage divider.
 
 
 
 
 
 
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