参数资料
型号: MAX8661ETL+T
厂商: Maxim Integrated Products
文件页数: 7/44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: 2,500
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: 带卷 (TR)
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
p-Channel Current-Limit Threshold
SYMBOL
I LIM3
CONDITIONS
MIN
1.85
TYP
2.15
MAX
2.45
UNITS
A
n-Channel Zero-Crossing Threshold
25
mA
n-Channel Negative Current Limit
Forced-PWM mode only
-0.8
A
REG3 Maximum Output Current
V3 Bias Current
I OUT3
2.6V ≤ V PV3 ≤ 6V (Note 5)
1.6
0.01
A
μA
LX3 Leakage Current
V PV3 = 6V, LX3 = PG3 or
PV3, V EN34 = 0V
T A = +25 ° C
T A = +85 ° C
-2
+0.03
0.24
+2
μA
Soft-Start Ramp Rate
V3 Dynamic-Change Ramp Rate
MAX8660/MAX8660A/MAX8661, R RAMP =
56k ? to 1.4V
MAX8660B, R RAMP = 56k ? to 1.15V
R RAMP = 56k ?
8
6.7
10
mV/μs
mV/μs
EN34 to V3 Enable Time
Internal Off-Discharge Resistance
Minimum Duty Cycle
Maximum Duty Cycle
t PHLVTH3
MAX8660/MAX8660A/MAX8661, powering
up to 1.4V, Figure 6, R RAMP = 56k ?
MAX8660B, powering up to 1.15V, Figure 6,
R RAMP = 56k ?
Forced-PWM mode only, min duty cycle in
skip mode is 0%
400
400
550
16.7
100
μs
?
%
%
REG4—SYNCHRONOUS STEP-DOWN DC-DC CONVERTER
V4 Output Voltage Accuracy
V4
MAX8660/MAX8660A/MAX8661 REG4 default
output voltage, V PV4 = 3.6V, load = 200mA
MAX8660B REG4 default output voltage,
V PV4 = 3.6V, load = 200mA
1.379
1.133
1.400
1.150
1.421
1.167
V
REG4 serial programmed from 0.9V to 1.8V,
load = 200mA (Note 6)
-1.5
+1.5
%
V4 Load Regulation
V4 Line Regulation
p-Channel On-Resistance
n-Channel On-Resistance
R P4
R N4
Load = 0 to 400mA
(Note 7)
-40
0.1
0.37
0.3
mV/A
%/V
?
?
p-Channel Current-Limit Threshold
I LIM4
0.65
0.78
0.90
A
n-Channel Zero-Crossing Threshold
25
mA
n-Channel Negative Current Limit
Forced-PWM mode only
-975
mA
REG4 Maximum Output Current
V4 Bias Current
I OUT4
2.6V ≤ V PV4 ≤ 6V (Note 5)
0.4
0.01
A
μA
LX4 Leakage Current
V PV4 = 6V, LX4 = PG4 or
PV4, V EN34 = 0V
T A = +25 ° C
T A = +85 ° C
-2
± 0.02
0.12
+2
μA
Soft-Start Ramp Rate
V4 Dynamic-Change Ramp Rate
MAX8660/MAX8660A/MAX8661,
R RAMP = 56k ? to 1.4V
MAX8660B, R RAMP = 56k ? to 1.15V
R RAMP = 56k ?
8
6.7
10
mV/μs
mV/μs
7
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