参数资料
型号: MAX8661ETL+
厂商: Maxim Integrated Products
文件页数: 5/44页
文件大小: 0K
描述: IC POWER MANAGE XSCALE 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
应用: 处理器
电源电压: 2.6 V ~ 6 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: 管件
High-Efficiency, Low-I Q , PMICs with Dynamic
Voltage Management for Mobile Applications
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V IN5 = V IN67 = V IN8 = 3.6V, Figure 3, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 2)
PARAMETER
PWM Switching Frequency
SYMBOL
f SW
CONDITIONS
MIN
1.9
TYP
2.0
MAX
2.1
UNITS
MHz
REG1—SYNCHRONOUS STEP-DOWN DC-DC CONVERTER (MAX8660, MAX8660A, MAX8660B only)
SET1 = IN, V PV1 = 4.2V, load = 600mA
3.250
3.300
3.350
V1 Voltage
Accuracy (MAX8860/MAX8860B)
V1
SET1 not connected, V PV1 = 3.6V,
load = 600mA
2.955
3.000
3.045
V
SET1 = AGND, V PV1 = 3.6V, load = 600mA
SET1 = IN, V PV1 = 4.2V, load = 600mA
2.807
2.463
2.850
2.500
2.893
2.538
V1 Voltage Accuracy (MAX8660A)
V1
SET1 not connected, V PV1 = 3.6V,
load = 600mA
1.970
2.000
2.030
V
SET1 = AGND, V PV1 = 3.6V, load = 600mA
1.773
1.800
1.827
V1 Load Regulation
V1 Line Regulation
SET1 Input Leakage Current
V1 Dropout Voltage
p-Channel On-Resistance
n-Channel On-Resistance
R P1
R N1
Load = 0 to 1200mA
Load = 800mA (Notes 3, 4)
Load = 1200mA (Notes 3, 4)
-1.5
0.15
0.01
150
200
0.12
0.15
%/A
%/V
μA
mV
?
?
p-Channel Current-Limit
Threshold
I LIM1
1.5
1.8
2.2
A
n-Channel Zero-Crossing
Threshold
25
mA
n-Channel Negative Current Limit
Forced-PWM mode only
-975
mA
REG1 Maximum Output Current
V1 Bias Current
I OUT1
2.6V ≤ V PV1 ≤ 6V (Note 5)
1.2
5
A
μA
LX1 Leakage Current
V PV1 = 6V, LX1 =
PG1 or PV1,
V EN1 = 0V
T A = +25 ° C
T A = +85 ° C
-2
± 0.03
± 0.2
+2
μA
Soft-Start Ramp Rate
(MAX8660/MAX8860B)
Soft-Start Ramp Rate
(MAX8660A)
V5 to V1 Enable Time
t VMHVSH1
To V1 = 3.3V (total ramp time is 450μs for
all V1 output voltages)
To V1 = 2.5V (total ramp time is 450μs for
all V1 output voltages)
Figure 6
5
3
7
5
350
9
7
mV/μs
mV/μs
μs
Internal Off-Discharge Resistance
650
?
Minimum Duty Cycle
Maximum Duty Cycle
Forced-PWM mode only, min duty cycle in
skip mode is 0%
16.7
100
%
%
5
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