参数资料
型号: MAX1636EAP+
厂商: Maxim Integrated Products
文件页数: 4/23页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20-SSOP
标准包装: 66
PWM 型: 电流模式,混合
输出数: 1
频率 - 最大: 330kHz
占空比: 99%
电源电压: 3.15 V ~ 30 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 管件
Low-Voltage, Precision Step-Down
Controller for Portable CPU Power
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, SYNC = VL = V CC , I VL = 0mA, I REF = 0mA, T A = 0°C to +85°C , unless otherwise noted. Typical values
are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Current-Sense Input
Leakage Current
Gate-Driver Sink/Source Current
Gate-Driver On-Resistance
CSH = CSL = 5V, V+ = VL = V CC =
GND, either CSH or CSL input
DH or DL forced to 2V
High or low, DH or DL
1
10
7
μA
A
Ω
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, SYNC = VL = V CC , I VL = 0mA, I REF = 0mA, T A =-40°C to +85°C , unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SMPS CONTROLLER
Input Voltage Range, V+
Input Voltage Range, VL
Input Voltage Range, V CC
Output Voltage, Adj Mode
Output Voltage, Fixed 2.5V Mode
Output Voltage, Fixed 3.3V Mode
Output Adjustment Range
Current-Limit Threshold
Power Consumption
Input source for VL regulator
Gate-driver supply rail
Internal chip supply rail
FB tied to V OUT , 0mV < (CSH - CSL) < 80mV, 4.5V
< V+ < 30V (includes line and load regulation)
FB tied to V CC , 0mV < (CSH - CSL) < 80mV, 4.5V
< V+ < 30V (includes line and load regulation)
FB tied to GND, 0mV < (CSH - CSL) < 80mV, 4.5V
< V+ < 30V (includes line and load regulation)
V CC = VL = 5V
V CC = 3.3V, VL = 5V
Positive direction
V CC = 5V, output not switching
V CC = 3.3V, output not switching
4.5
4.2
3.15
1.086
2.432
3.195
V REF
V REF
70
30
5.5
5.5
1.114
2.635
3.497
5.5
3.6
130
2.0
1.5
V
V
V
V
V
V
V
mV
mW
INTERNAL VL REGULATOR AND REFERENCE
V CC = 5V, I(VL) = 0
60
Regulator Supply Current (V+)
Standby Supply Current (V+)
V CC = 5V, I(VL) = 0, V+ = 4.5V
(includes PNP base current)
SHDN = GND, OVP = V CC
500
60
μA
μA
VL Output Voltage
VL Undervoltage Lockout
Threshold
I(VL) = 0 to 25mA, 5V < V+ < 30V
I(VL) = 0 to 25mA, 6V < V+ < 30V
Rising edge, hysteresis = 25mV
4.5
4.7
3.45
5.3
5.3
3.91
V
V
4
_______________________________________________________________________________________
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