参数资料
型号: MAX17020ETJ+T
厂商: Maxim Integrated Products
文件页数: 6/34页
文件大小: 0K
描述: IC CTLR PWM DUAL STEP DN 32-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: Quick-PWM™
应用: 电源
电流 - 电源: 1mA
电源电压: 6 V ~ 24 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
Dual Quick-PWM Step-Down Controller
with Low-Power LDO, RTC Regulator
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO, RTC, OUT1, OUT2, and REF, V IN = 12V, V DD = V CC = V SECFB = 5V, V REFIN2 = 1.0V, BYP =
LDOREFIN = GND, ONLDO = IN, ON1 = ON2 = V CC , T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
(Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GATE DRIVERS
DH_ Gate Driver On-Resistance
DL_ Gate Driver On-Resistance
DH_ Gate Driver Source/Sink
Current
DL_ Gate Driver Source Current
R DH
R DL
I DH
I DL
BST1 - LX1 and BST2 - LX2 forced to 5V
DL1, DL2; high state
DL1, DL2; low state
DH1, DH2 forced to 2.5V,
BST1 - LX1 and BST2 - LX2 forced to 5V
DL1, DL2 forced to 2.5V
1.5
2.2
0.6
2
1.7
3.5
4.5
1.5
A
A
(SOURCE)
DL_ Gate Driver Sink Current
Internal BST_ Switch
On-Resistance
I DL (SINK)
R BST
DL1, DL2 forced to 2.5V
I BST _ = 10mA, V DD = 5V
3.3
5
A
BST_ Leakage Current
I BST
V BST _ = 26V, T A = +25°C,
OUT2 and FB1 above regulation threshold
0.1
5
μA
INPUTS AND OUTPUTS
High
V CC -
0.4V
TON Input Logic Levels
REF or open
1.6
3.0
V
Low
0.4
SKIP Input Logic Levels
High (forced-PWM)
Open (ultrasonic)
V CC -
0.4V
1.6
3.0
V
Low (skip)
0.4
SKIP , TON Leakage Current
I SKIP, I TON V SKIP = V TON = 0 or 5V, T A = +25°C
-2
+2
μA
ON_ Input Logic Levels
68mV hysteresis
High (SMPS on)
Low (SMPS off)
2.4
0.8
V
ON_ Leakage Current
I ON_
V ON1 = V ON2 = 0 or 5V, T A = +25°C
-2
+2
μA
ONLDO Input Logic Levels
68mV hysteresis
High (SMPS on)
Low (SMPS off)
2.4
0.8
V
ONLDO Leakage Current
I ONLDO
V ONLDO = 0 or 24V, T A = +25°C
-1
+1
μA
6
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