MAX1965 Maxim Integrated Products, MAX1965 Datasheet - Page 3

• Manufacturer Part Number: MAX1965
• Description: (MAX1964 / MAX1965) Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS
(V
POSITIVE ANALOG GAIN BLOCKS
NEGATIVE ANALOG GAIN BLOCK
Maximum Duty Cycle
Soft-Start Period
Soft-Start Step Size
FB Power-Up Sequence
Threshold
DH Output Low Voltage
DH Output High Voltage
DL Output Low Voltage
DL Output High Voltage
DH On-Resistance
DL On-Resistance
Output Drive Current
LX, BST Leakage Current
FB2, FB3, FB4 Regulation
Voltage
FB2 Power-Up Sequence
Threshold
FB2, FB3, FB4 to B_
Transconductance Error
Feedback Input Leakage
Current
Driver Sink Current
FB5 Regulation Voltage
FB5 to B5 Tr anscond uctance E r r or
Feedback Input Leakage Current
Driver Source Current
POWER GOOD (POK)
OUT Trip Level (Preset Mode)
FB Trip Level (Adjustable Mode)
FB2, FB3, FB4 Trip Level
FB5 Trip Level
POK Output Low Level
POK Output High Leakage
IN
= 12V, ILIM = FB = GND, V
PARAMETER
_______________________________________________________________________________________
Tracking/Sequencing Triple/Quintuple
BST
- V
SYMBOL
LX
∆V
∆V
D
t
SOFT
I
I
I
FB5
I
FB
MAX
B
B5
= 5V, T
FB
FB5
_
_
_
A
V
(source)
V
V
V
3.5V
FB = GND, falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Rising edge, 35mV hysteresis (typ)
I
V
MAX1964, FB rising, B2 turns on
I
I
I
I
High (DH to BST) and low (DH to LX)
High (DL to VL)
Low (DL to GND)
Sourcing or sinking, V
V
V
I
MAX1964, FB2 rising, B3 turns on
V
0.5mA to 5mA (sink)
V
V
V
SINK
SINK
S OU RC E
SINK
S OU RC E
B2
= 0°C to +85°C. Typical values are at T
B5
B5
FB5
FB5
POK
BST
B2
B2
FB2
FB2
FB4
= I
= V
= 0, I
= V
= V
= -100mV
= 200mV, V
= V
= V
= V
= 1.188V
= 1mA
= 10mA, measured from DH to LX
= 10mA, measured from DL to GND
= 5V
B3
OUT
B3
B3
= 10m A, m easur ed fr om BS T to D H
= 10m A, m easur ed fr om D L to GN D
FB3
FB3
LX
= I
B5
= V
= V
= V
B4
- 2V, V
= 0.5mA to 5mA (source)
Power-Supply Controllers
= V
=
CONDITIONS
B4
B4
= 1mA (sink)
IN
FB4
B5
= 5V,
= 5V, I
= 28V, V
V
V
OUT
= V
B2
B2
= 1.5V
DH
= V
= V
= 3.5V, I
OUT
B2
or V
FB
B3
B3
= I
- 2.0V, V
DL
= 1.5V
B3
= V
= V
B5
= VL/2
= I
B4
B4
= 1mA
B4
= 2.5V
= 4.0V
OUT
=
A
=
= +25°C, unless otherwise noted.)
VL - 0.1
1.070
1.070
1.226
2.88
MIN
368
-20
10
77
40
10
V
1.114
1.114
1.145
1.145
REF
1024
TYP
0.01
0.04
1.24
0.01
530
-13
1.5
4.3
0.7
0.5
3.0
25
82
13
21
24
-5
/64
MAX
1.257
1.159
1.159
3.12
+10
100
632
100
-20
0.4
90
40
20
10
10
22
1
4
2
UNITS
1/f
mA
mV
mV
mA
mV
mV
mV
mV
mV
nA
µA
µA
nA
%
Ω
Ω
V
V
V
V
OSC
V
V
V
A
V
V
3