参数资料
型号: MAX17007GTI+T
厂商: Maxim Integrated Products
文件页数: 11/35页
文件大小: 0K
描述: IC CTRLR QPWM GRAPHICS 28TQFN
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: 1.7mA
电源电压: 4.5 V ~ 26 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 带卷 (TR)
Dual and Combinable QPWM Graphics
Core Controllers for Notebook Computers
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 12V, V DD = 5V, SKIP = GND, T A = +25°C, unless otherwise noted.)
DYNAMIC OUTPUT VOLTAGE
TRANSITION (PWM MODE)
MAX17007/8 toc26
DYNAMIC OUTPUT VOLTAGE
TRANSITION (SKIP MODE)
MAX17007/8 toc27
DYNAMIC OUTPUT VOLTAGE TRANSITION
(SKIP MODE-FORCED TRANSITION)
MAX17007/8 toc28
1.2V
I OUT1 = 2A
1.2V
1.2V
I OUT1 = 3A
1V
A
1V
A
1V
A
2A
REFIN1 = 1V
TO 1.2V TO 1V
B
I OUT1 = 1A
B
B
12V
0
5V
SKIP = 5V
C
0
12V
0
REFIN1 = 1V
TO 1.2V TO 1V
C
0
12V
0
REFIN1 = 1V TO 1.2V TO 1V
SKIP = REF
C
0
D
5V
SKIP = GND
D
5V
D
A. V OUT1 , 100mV/div
B. I LX1 , 10A/div
20 μ s/div
C. LX1, 10V/div
D. DL1, 5V/div
0
A. V OUT1 , 100mV/div
B. I LX1 , 10A/div
40 μ s/div
C. LX1, 10V/div
D. DL1, 5V/div
0
A. V OUT1 , 100mV/div
B. I LX1 , 10A/div
20 μ s/div
C. LX1, 10V/div
D. DL1, 5V/div
Pin Description
PIN
1
2
3
4
NAME
REF
ILIM1
ILIM2
(CCI)
V CC
FUNCTION
2V Reference Voltage Output. Bypass REF to GND with a 2.2nF ceramic capacitor. The reference can
source up to 100μA. Loading REF degrades output-voltage accuracy according to the REF load
regulation error (see the Typical Operating Characteristics ). The reference shuts down when both EN1
and EN2 are low.
This four-level input determines the CSH1 to CSL1 current limit for SMPS1:
V DD (5V) = 60mV current limit
Open (3.3V) = 45mV current limit
REF (2V) = 30mV current limit
GND = 15mV current limit
In combined mode, ILIM1 sets the current-limit threshold for both sides.
This four-level input determines the CSH2 to CSL2 current limit for SMPS2:
V CC (5V) = 60mV current limit
Open (3.3V) = 45mV current limit
REF (2V) = 30mV current limit
GND = 15mV current limit
In combined mode, ILIM2 is the current balance integrator (CCI) output pin. Connect a capacitor
(C CCI ) between CCI and the output. The CCI capacitor value depends on the ILIM1 setting based on
the following table:
ILIM1
C CCI at ILIM2 (pF)
V CC (5V)
120
Open (3.3V)
180
REF (2V)
220
GND
470
5V Analog Supply Input. Bypass V CC from V DD using a 10 _ resistor, and to analog ground using a
1μF ceramic capacitor.
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11
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