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参数资料
| 型号： | MAX1587CETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/30页 |
| 文件大小： | 0K |
| 描述： | IC POWER MANAGEMENT 40-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 手持/移动设备 |
| 电源电压： | 2.6 V ~ 5.5 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（6x6） |
| 包装： | 带卷 (TR) |
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High-Efficiency, Low-I Q PMICs with
Dynamic Core for PDAs and Smart Phones
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.6V, V BKBT = 3.0V, V LBI = 1.1V, V DBI = 1.35V, circuit of Figure 5, T A = -40°C to +85°C , unless otherwise noted.) (Note 5)
PARAMETER
CONDITIONS
MIN
MAX
UNITS
SYNCHRONOUS-BUCK PWM REG3
REG3 Output Voltage Accuracy
REG3 from 0.7V to
1.475V, 2.6V ≤
V PV3 ≤ 5.5V
MAX1586A, MAX1586B, MAX1587A,
load = 0 to 500mA
MAX1586C, MAX1587C,
load = 0 to 900mA
-1.5
-1.5
+1.5
+1.5
%
p-Channel On-Resistance
n-Channel On-Resistance
I LX3 = -180mA
I LX2 = -180mA, V PV3 = 2.6V
I LX3 = 180mA
I LX3 = 180mA, V PV3 = 2.6V
0.375
0.425
0.25
0.275
Ω
Ω
p-Channel Current-Limit Threshold
MAX1586A, MAX1586B, MAX1587A
MAX1586C, MAX1587C
-0.60
-1.125
-0.85
-1.700
A
OUT3 Maximum Output Current
2.6V ≤ V PV3 ≤ 5.5V
(Note 3)
MAX1586A, MAX1586B, MAX1587A
MAX1586C, MAX1587C
0.5
0.9
A
LX3 Leakage Current
V PV3 = 5.5V, LX3 = GND or PV2, V ON3 = 0V
-10
+10
μA
LDOs V4, V5, V6, V1 SLEEP, V2 SLEEP, AND V7 OUTPUT
V4, V5, V6, V1 SLEEP, V2 SLEEP
Output Current
V7 Output Current
35
30
mA
mA
REG4 Output Voltage
REG5 Output Voltage
IN45, IN6 Input Voltage Range
Load = 0.1mA to 35mA
Load = 0.1mA to 35mA
1.8V setting, load = 0.1mA to 35mA
1.254
1.061
2.4
1.737
1.346
1.139
5.5
1.863
V
V
V
REG6 Output Voltage (POR Default
to 0V, Set by Serial Input)
MAX1586
2.5V setting, load = 0.1mA to 35mA
2.412
2.588
V
3.0V setting, load = 0.1mA to 35mA
2.895
3.105
V1 and V2 SLEEP Output Voltage
Accuracy
V1 and V2 SLEEP Dropout Voltage
V6 Dropout Voltage
V7 Switch Voltage Drop
Set to same output voltage as REG1 and REG2
Load = 20mA
MAX1586 3V mode, load = 30mA; 2.5V mode, load = 30mA
Load = 20mA, V BKBT = V V1 = 3.0V
-3.5
+3.5
150
200
200
%
mV
mV
mV
V4, V5, V6 Output Current Limit
BKBT Leakage
OSCILLATOR
40
1
mA
μA
PWM Switching Frequency
0.93
1.07
MHz
SUPERVISORY/MANAGEMENT FUNCTIONS
POK Trip Threshold (Note 4)
Rising
Falling
92
88.5
97
92.5
%
LBI Threshold (Falling)
MAX1586,
hysteresis is 5% (typ)
LBI = IN (for preset)
With resistors at LBI
3.51
0.98
3.69
1.02
V
_______________________________________________________________________________________
7
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