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参数资料
型号： MAX1813EEI
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 稳压器
英文描述： Dynamically-Adjustable, Synchronous Step-Down Controller with Integrated Voltage Positioning
中文描述： SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28
封装： 0.150 INCH, 0.025 INCH PITCH, QSOP-28
文件页数： 5/38页
文件大小： 738K
代理商： MAX1813EEI
M
Dynamically-Adjustable, Synchronous Step-Down
Controller with Integrated Voltage Positioning
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = +15V, V
CC
= V
DD
= 5V, VPCS = ZMODE = GND = PGND, SKP/
SDN
= CODE = V
CC
, V
OUT
set to 1.5V,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = +15V, V
CC
= V
DD
= 5V, VPCS = ZMODE = GND = PGND, SKP/
SDN
= CODE = V
CC
, V
OUT
set to 1.5V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
12
TYP
MAX
15
UNITS
V
SKP/
SDN
NO FAULT Input Level
SKP/
SDN
, 4-Level Logic Input
Current
SKP/
SDN
, TON, S0, S1 = GND or V
CC
-3
3
μ
A
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
PWM CONTROLLER
Battery voltage, V+
V
CC
, V
DD
V+ = 4.5V to 28V, VPCS = GND, DAC
codes from 0.925V to 2.0V
2
28
5.5
Input Voltage Range
4.5
V
-1
+1
V+ = 4.5V to 28V, VPCS = GND, DAC
codes from 0.700V to 0.900V
-1.5
+1.5
DC Output Voltage Accuracy
(Notes 2, 3)
V+ = 4.5V to 28V, VPCS = GND, DAC
codes from 0.600V to 0.675V
-1.83
+1.83
%
VPCS Input Bias Current
I
VPS
V
VPCS
= 0 or 28V
V
VPS
= 0 to -40mV
V
VPS
= 0 to -100mV
-1
18
16.5
115
-12
-8
-12
+1
22
22
265
+12
+8
+12
100
290
215
390
563
500
375
μ
A
VPCS Transconductance
G
m
μ
S
FB Input Resistance
R
FB
k
380kHz nominal, R
TIME
= 47k
150kHz nominal, R
TIME
= 120k
38kHz nominal, R
TIME
= 470k
V
ILIM
= 0 or 5.0V
V+ = 5.0V, V
FB
= 1.2V
TIME Frequency Accuracy
%
ILIM Input Leakage Current
I
ILIM
nA
TON = GND
TON = REF
TON = open
TON = V
CC
250
165
320
465
On-Time (Note 4)
t
ON
V+ = 12V, V
FB
= 1.2V
ns
TON = REF, open, or V
CC
TON = GND
Minimum Off-Time (Note 4)
t
OFF(M N)
ns
BIAS AND REFERENCE
Quiescent Supply Current (V
CC
)
I
CC
Measured at V
CC
, FB forced above the
regulation point
2.5
mA
Quiescent Supply Current (V
DD
)
I
DD
Measured at V
DD
, FB forced above the
regulation point
5
μ
A
Quiescent Supply Current (V+)
Shutdown Supply Current (V
CC
)
Shutdown Supply Current (V
DD
)
I+
Measured at V+
SKP/
SDN
= GND
SKP/
SDN
= GND
40
5
5
μ
A
μ
A
μ
A
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相关代理商/技术参数
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