MAX17435 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
MAX17435 Datasheet PDF : 27 Pages
| |||
High-Frequency,
Low-Cost SMBus Chargers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO, VDCIN = VCSSP = VCSSN = 19V, VLX = 0V, VBST - VLX = 5V, VBATT = VCSIP = VCSIN = 16.8V,
TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
ACOK
ACOK Sink Current
ACOK Leakage Current
ACIN
SYMBOL
CONDITIONS
VACOK = 0.4V, VACIN = 2.5V
VACOK = 5.5V, VACIN = 0.5V, TA = +25NC
MIN TYP MAX UNITS
1
mA
1
FA
ACIN Threshold
Rising, 20mV (typ) hysteresis
1.465 1.485 1.53
V
ACIN Input Bias Current
ITHR/ADAPTLIM
TA = +25NC
-1
+1
FA
ITHR Leakage Current
ADAPTLIM Sink Current
ADAPTLIM Leakage Current
ITHR Threshold
LOGIC LEVELS
VITHR = 0V to LDO, TA = +25NC
VITHR > VIINP
VITHR < VIINP, TA = +25NC
Calculated = VITHR - VIINP
-1
+1
FA
1
mA
1
FA
-12
+12
mV
SDA/SCL Input Low Voltage
0.8
V
SDA/SCL Input High Voltage
2.1
V
SDA/SCL Input Bias Current
SWITCHING REGULATOR
TA = +25NC
-1
+1
FA
DHI Off-Time K Factor
VDCIN = 19V, VBATT = 10V, MAX17435
VDCIN = 19V, VBATT = 10V, MAX17535
55
61
67
ns/V
93
100 107
Sense Voltage for Minimum
Discontinuous Mode
Ripple Current
VCSIP - VCSIN
5
mV
Zero-Crossing Comparator
Threshold
VCSIP - VCSIN
5
mV
Cycle-by-Cycle Current-Limit
Sense Voltage
DHI Resistance High
DHI Resistance Low
DLO Resistance High
DLO Resistance Low
ADAPTER DETECTION
Adapter Absence Detect
Threshold
Adapter Detect Threshold
CHARGE-PUMP MOSFET DRIVER
PDSL Gate-Driver Source Current
PDSL Gate-Driver Output Voltage
HIGH
VCSIP - VCSIN
IDHI = 10mA
IDHI = -10mA
IDLO = 10mA
IDLO = -10mA
VDCIN - VBATT, VDCIN falling
VDCIN - VBATT, VDCIN rising
VPDSL - VDCIN = 3V, VDCIN = 19V
VDCIN = 19V, open load
120 125 130
mV
1.5
3
I
0.8
1.6
I
3
6
I
3
6
I
50
120 200
mV
340 430 600
mV
40
64
FA
VDCIN VDCIN
+ 5.3 + 8
V
4 _______________________________________________________________________________________
Share Link: 