參數(shù)資料
型號(hào)： MAX783REBX
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Triple-Output Power-Supply Controller for Notebook Computers
中文描述： DUAL SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO36
封裝： PLASTIC, SSOP-36
文件頁數(shù)： 3/28頁
文件大小： 279K
代理商： MAX783REBX
M
Triple-Output Power-S upply Controller
for Notebook Computers
_______________________________________________________________________________________
3
PARAMETER
Quiescent Power Consumption
(both controllers on)
Off V+ Current
COMPARATORS
MIN
TYP
MAX
5.2
8.6
UNITS
mW
Input Current
±1
μA
REF Fault Lockout Voltage
REF Load Regulation
30
60
S———N, ON3, ON5, DA0, DA1, DB0, DB1, V
IN
= 0V or 5V
2.4
3.2
75
V
REF Output Voltage
3.24
3.36
μA
V
VL - 0.5
4.2
4.7
V
V
SYNC
Input High Voltage
2.4
30
mV
S———N, ON3, ON5, DA0, DA1, DB0, DB1
D1, D2 Trip Voltage
D1, D2 Input Current
Q1, Q2 R———Source Current
Q1, Q2 R———Sink Current
Q1, Q2, R———Output High Voltage
Q1, Q2, R———Output Low Voltage
Quiescent VH Current
OSCILLATOR AND INPUTS/OUTPUTS
Shutdown V+ Current
Input Low Voltage
0.8
25
40
1.61
1.69
±100
30
1000
μA
Standby V+ Current
V
V
70
110
μA
S———N, ON3, ON5, DA0, DA1, DB0, DB1, SYNC
nA
μA
μA
V
V
μA
VL Output Voltage
VL Fault Lockout Voltage
VL/FB5 Switchover Voltage
12
200
20
500
92
95
%
SYNC = 0V or 5V
VH - 0.5
Maximum Duty Cycle
4.5
3.6
5.5
4.2
V
V
89
92
0.4
10
4
SYNC = 3.3V
Oscillator SYNC Range
Oscillator Frequency
240
350
270
170
200
300
200
330
230
kHz
kHz
CONDITIONS
D1 = D2 = D3 = DA0 = DA1 = DB0 = DB1 = 0V,
FB5 = CS5 = 5.25V, FB3 = CS3 = 3.5V
FB5 = CS5 = 5.25V, VL switched over to FB5
Falling edge
0mA < I
< 5mA (Note 3)
–———N= D1 = D2 = ON3 = ON5 = DA0 = DA1 = DB0 =
DB1 = 0V, V+ = 30V
D1 = D2 = ON3 = ON5 = DA0 = DA1 = DB0 = DB1 = 0V,
V+ = 30V
No external load (Note 2)
Rising edge of FB5, hysteresis = 1%
SYNC Rise/Fall Time
Falling edge, hysteresis = 1%
D1 = D2 = 0V to 5V
VH = 15V, V
OUT
= 2.5V
VH = 15V, V
OUT
2.5V
I
SOURCE
= 5μA, VH = 3V
I
SINK
= 20μA, VH = 3V
VH = 18V, D1 = D2 = 5V, no external load
ON5 = ON3 = 0V, 5.5V < V+ < 30V, 0mA < I
L
< 25mA
Falling edge, hysteresis = 1%
SYNC = 3.3V
SYNC = 0V or 5V
200
ns
Not tested
SYNC Low Pulse Width
200
ns
SYNC High Pulse Width
ns
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, GND = PGND = 0V, I
= I
REF
= 0mA, S—H—D—N= ON3 = ON5 = 5V, other digital input levels are 0V or +5V,
T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
INTERNAL REGULATOR AND REFERENCE
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