MAX17512ATP+ Maxim Integrated, MAX17512ATP+ Datasheet - Page 3

• Manufacturer Part Number: MAX17512ATP+
• Description: Current & Power Monitors & Regulators High Speed Valley Current Regulator
• Manufacturer: Maxim Integrated

Specifications of MAX17512ATP+

• Product: Current Regulators
• Supply Voltage - Max: 18 V
• Supply Voltage - Min: 6.5 V
• Input Voltage Range: 6.5 V to 18 V

ELECTRICAL CHARACTERISTICS (continued)
(V
V
LINEAR REGULATOR (V
V
V
V
AVCC UVLO
POWER MOSFET
High Side
Low Side
BST DRIVER
BST Capacitor Charging Current
(Note 2)
BST to LX_ POK
LOW-SIDE CURRENT COMPARATOR
Low-Side Current-Sense
Comparator Delay
Low-Side Current-Sense
Comparator Output to LX_ Rise
Low-Side Current-Sense
Blanking Time
VALLEY CURRENT SETTINGS (ICMD)
V
Command Voltage for 1.8A
Inductor Valley Current
Driver Disable Threshold on
Command Voltage (Note 3)
ICMD Input Bias Current
TON CONTROL (RTON)
RTON Resistance Range
High-Side Switch On-Time
RTON Pullup Current
Minimum High-Side Switch
On-Time
Maximum High-Side Switch
On-Time
ICMD
PVIN_
CC
CC
CC
ICMD
Output Voltage Range
Output Voltage In Dropout
Current Limit
= 0V, T
to I
= V
PARAMETER
LX_
AVIN
High-Speed, Constant On-Time, Valley Current
A
Transresistance
= T
= V
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J
IN
= -40NC to +125NC, unless otherwised noted.) (Note 1)
= 12V, V
CC
)
EN/UVLO
V
SYMBOL
R
R
BSTPOK
I
V
V
R
t
t
ICMD-DD
t
VCCLIM
t
R
V
ONMAX
DSON-H
DSON-L
BLANK
I
ONMIN
DELAY
I
AVCCR
AVCCF
TRANS
RTON
ICMD
V
RTON
Regulator for Tracking Applications
ICMD
t
ON
CC
= 12V, V
1mA < I
V
V
Rising
Falling
I
I
PVIN_ to BST
LX_ to PGND_
0.8A < I
I
V
V
V
V
V
LX_
LX_
LX_
PVCC
IN
IN
ICMD
RTON
RTON
RTON
RTON
= 4.5V, I
= 6.5, V
= 1A
= 1A
= 1.8A
= V
P 2.2V
= 1.5V
= 1.5V
= unconnected
= 0V
VCC
LX_
AVCC
VCC
< 1A
VCC
< 30mA, 6.5V < V
CONDITIONS
= 5V, V
= 3V
= 10mA
T
-40NC P T
A
PGND_
= +25NC
A
IN
= V
P +125NC
< 16V
SGND
= 0V, V
0.258
4.75
0.27
47.5
MIN
802
-2.5
114
4.3
3.9
3.7
2.9
5.5
1.9
50
50
10
BST
= V
900
0.465
-0.36
MAX17512
LX_
TYP
5.05
4.44
0.28
105
120
550
4.1
3.9
3.1
8.5
40
40
10
12
95
50
95
5
+ 5V, R
0.306
MAX
5.25
4.25
4.05
15.5
0.29
52.5
160
150
988
126
8.2
80
80
36
4
RTON
= 30.1kI,
UNITS
mI
mI
mA
mA
V/A
FA
kI
FA
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V