Manual

MAX17101
Dual Quick-PWM, Step-Down Controller
with Low-Power LDO, RTC Regulator
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO, RTC, OUT1, OUT2, and REF, V
IN
= 12V, V
DD
= V
CC
= V
SECFB
= 5V, V
REFIN2
= 1.0V, BYP =
LDOSEL = GND, ONLDO = IN, ON1 = ON2 = V
CC
, T
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
GATE DRIVERS
DH_ Gate Driver On-Resistance R
DH
BST1 - LX1 and BST2 - LX2 forced to 5V 1.5 3.5 
DL1, DL2; high state 2.2 4.5
DL_ Gate Driver On-Resistance R
DL
DL1, DL2; low state 0.6 1.5

DH_ Gate Driver Source/Sink
Current
I
DH
DH1, DH2 forced to 2.5V,
BST1 - LX1 and BST2 - LX2 forced to 5V
2 A
DL_ Gate Driver Source Current
I
DL
(SOURCE)
DL1, DL2 forced to 2.5V 1.7 A
DL_ Gate Driver Sink Current I
DL (SINK)
DL1, DL2 forced to 2.5V 3.3 A
Internal BST_ Switch
On-Resistance
R
BST
I
BST
_ = 10mA, V
DD
= 5V 5 
INPUTS AND OUTPUTS
High
V
CC
-
0.4V
REF or open 1.6 3.0
TON Input Logic Levels
Low 0.4
V
High (forced PWM)
V
CC
-
0.4V
Open (ultrasonic) 1.6 3.0
SKIP Input Logic Levels
Low (SKIP) 0.4
V
SKIP, TON Leakage Current I
SKIP,
I
TON
V
SKIP
= V
TON
= 0 or 5V, T
A
= +25°C -2 +2 μA
High (SMPS on) 2.4
ON_ Input Logic Levels
Low (SMPS off) 0.8
V
ON_ Leakage Current I
ON_
V
ON1
= V
ON2
= 0 or 5V, T
A
= +25°C -2 +2 μA
High (SMPS on) 2.4
ONLDO Input Logic Levels
Low (SMPS off) 0.8
V
ONLDO Leakage Current I
ONLDO
V
ONLDO
= 0 or 24V, T
A
= +25°C -1 +1 μA