MAX1705 Maxim, MAX1705 Datasheet - Page 3

• Manufacturer Part Number: MAX1705
• Description: 1- to 3-Cell / High-Current / Low-Noise / Step-Up DC-DC Converters with Linear Regulator
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
LX = open, T
Step-Up DC-DC Converters with Linear Regulator
DC-DC SWITCHES
LINEAR REGULATOR
LOW-BATTERY COMPARATOR
CONTROL INPUTS
POUT Leakage Current
LX Leakage Current
Switch On-Resistance
N-Channel MOSFET
Current Limit
P-Channel Synchronous-
Rectifier Turn-Off Current
FBLDO Regulation Voltage
FBLDO Input Current
LDO Adjust Range
Short-Circuit Current Limit
Dropout Resistance
Load Regulation
Line Regulation
AC Power-Supply Rejection
Thermal Shutdown
LBN, LBP Offset
LBN, LBP Hysteresis
LBN, LBP Common-Mode
Input Range
LBN, LBP Input Current
LBO Output Low Voltage
LBO High Leakage
Input Low Level
Input High Level
Input Leakage Current
(CLK/SEL, ONA, ONB, TRACK)
OUT
= V
PARAMETER
POUT
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
= V
LBP
_______________________________________________________________________________________
= 3.6V, CLK/SEL = FB = LBN = LBO = ONA = ONB = TRACK = GND, REF = open (bypassed with 0.22µF),
1- to 3-Cell, High-Current, Low-Noise,
SYMBOL
I
LIM
V
V
N-channel, I
P-channel, I
CLK/SEL = OUT
CLK/SEL = GND
CLK/SEL = GND
FBLDO = LDO, I
V
FBLDO = GND
V
10µA < I
2.5V < V
I
f = 300kHz
Hysteresis approximately 10°C
LBP falling
LBP rising
V
be within this range)
V
I
LBN = OUT
V
1.2V < V
V
1.2V < V
V
LDO
SINK
LX
LX
FBLDO
FBLDO
LBN
LBN
LBO
OUT
OUT
= 0V, V
= 0V, V
= 1mA
= 1mA, V
= 0.5V and 1.5V (at least one input must
= V
= V
= 2.5V, CLK/SEL, TRACK
= 5.5V, CLK/SEL, TRACK
= 1.5V
= 1V, I
LDO
OUT
OUT
OUT
LBP
OUT
ONB
ONB
LX
LX
< 200mA, FBLDO = LDO
< 5.5V, FBLDO = LDO,
< 5.5V, ONA, ONB (Note 3)
< 5.5V, ONA, ONB (Note 3)
= 1V
= 5V
= 100mA
LDO
OUT
= 100mA
CONDITIONS
LOAD
= V
= V
= 200mA
= 2.5V, LBP = GND,
OUT
OUT
= 1mA
= 5.5V
= 5.5V
CLK/SEL = GND
CLK/SEL = OUT
MAX1705
MAX1706
MAX1705
MAX1706
A
= +25°C.)
0.8V
0.8V
1.238
1000
1.25
MIN
550
250
250
220
0.5
20
-5
OUT
OUT
1.250
1280
TYP
0.23
0.16
0.27
0.01
0.01
750
435
435
300
155
0.1
0.1
0.5
0.4
0.1
70
38
16
0.2V
0.2V
1.262
MAX
1550
0.45
0.28
0.50
950
550
550
120
500
5.0
1.2
1.2
0.5
1.5
0.4
20
20
50
50
5
1
OUT
1
OUT
UNITS
mA
mA
mA
mV
mV
dB
µA
µA
nA
°C
nA
µA
µA
%
%
V
V
V
V
V
V
3