参数资料
型号: MAX17085GTL+
厂商: Maxim Integrated Products
文件页数: 4/38页
文件大小: 0K
描述: IC CHARGER/CTLR/LDO REG 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
功能: 充电管理
电池化学: 多化学
电源电压: 4.5 V ~ 24 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 托盘
Integrated Charger, Dual Main Step-Down
Controllers, and Dual LDO Regulators
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO5, LDO3, OUT5, OUT3, and REF, V CC = 5V, ON3 = ON5 = V CC , V DCIN = V LXC = V CSSP = V CSSN
= 19V, V BSTC - V LXC = 5V, V BATT = V CSIP = V CSIN = 12.6V, V VCTL = V ISET = 1.8V, CELLS = open, T A = 0°C to +85°C , unless oth-
erwise noted. Typical values are at T A = +25°C.)
V IN = 12V,
PARAMETER
DH3 On-Time
Minimum Off-Time
Extended On-Time Blanking
Soft-Start Time
SYMBOL
t ON3
t OFF(MIN)
t SS
CONDITIONS
R TON = 549k I
(300kHz - 10%)
V OUT3 = 3.3V (Note 3) R TON = 202k I
(800kHz - 10%)
(Note 3)
Duty cycle > 50%; not for production test
Rising edge on ON _
MIN
866
325
210
TYP
1019
382
270
300
2
MAX
1171
439
330
360
UNITS
ns
ns
ns
ms
Ultrasonic Operating Frequency
f SW(USONIC) SKIP = GND
15
22
kHz
MAIN SMPS FAULT DETECTION
OUT_ Overvoltage Trip
Threshold (PGOOD Pulled Low
With respect to error comparator threshold
13
16
19
%
Above This Level)
OUT_Overvoltage Fault
Propagation Delay
t OVP
V FB_ forced 50mV above trip threshold
10
F s
OUT_ Undervoltage Protection
Trip Threshold
OUT_ Output Undervoltage
Fault Propagation Delay
PGOOD Lower Trip Threshold
PGOOD Propagation Delay
PGOOD Output Low Voltage
t UVP
t PGOOD
With respect to error comparator threshold
With respect to error comparator threshold,
falling edge, hysteresis = 15mV
OUT5 or OUT3 forced 50mV beyond
PGOOD trip threshold, falling edge
PGOOD low impedance, ON5 = ON3 =
GND, I SINK = 4mA
65
-350
70
10
-250
10
75
-150
0.3
%
F s
mV
F s
V
PGOOD high impedance, SMPS in
PGOOD Leakage Current
I PGOOD
regulation, PGOOD forced to 5.5V,
1
F A
T A = +25 ° C
Fault Reset Timer
7
10
ms
MAIN SMPS CURRENT LIMIT
ILIM_ Adjustment Range
0.2
2.1
V
ILIM_ Leakage Current
T A = +25 ° C
-0.1
+0.1
F A
Valley Current-Limit Threshold
(Adjustable)
V LIM _ (VAL)
V AGND - V LX _
V ILIM _ = 0.5V
V ILIM _ = 1.00V
V ILIM _ = 2.10V
40
87
184
50
100
210
60
113
236
mV
Ultrasonic Negative
Current-Limit Threshold
I NEG(US)
72
mV
Current-Limit Threshold
(Zero Crossing)
V ZX
V AGND - V LX _, SKIP = V CC or GND,
V ILIM = 1V
1.5
mV
4
______________________________________________________________________________________
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