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参数资料
| 型号： | MAX17082GTL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/48页 |
| 文件大小： | 0K |
| 描述： | IC CTLR PWM DUAL IMVP-6.5 40TQFN |
| 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： | 控制器， Intel IMVP-6+，IMVP-6.5? |
| 输入电压： | 4.5 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 0.013 V ~ 1.5 V |
| 工作温度： | -40°C ~ 105°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) |
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Dual-Phase, Quick-PWM Controllers for
IMVP-6+/IMVP-6.5 CPU Core Power Supplies
Pin Description (continued)
PIN
13
14
NAME
SHDN
DPRSLPVR
FUNCTION
Shutdown Control Input. This input cannot withstand the battery voltage. Connect to V CC for normal
operation. Connect to ground to put the IC into its 1 μA max shutdown state. During startup, the output
voltage is ramped up to the boot voltage slowly at a slew rate that is 1/8 the slew rate set by the TIME
resistor. During the transition from normal operation to shutdown, the output voltage is ramped down at
the same slow slew rate. Forcing SHDN to 11V~13V disables both overvoltage-protection and
undervoltage-protection circuits, clears the fault latch, disables transient phase overlap, and disables
the BST_ charging switches. Do not connect SHDN to > 13V.
Pulse-Skipping Control Input. This 1.0V logic input signal indicates power usage and sets the operating
mode of MAX17021/MAX17082/MAX17482. When DPRSLPVR is forced high, the controller immediately
enters the automatic pulse-skipping mode. The controller returns to forced-PWM mode when DPRSLPVR is
forced low and the output is in regulation. The PWRGD upper threshold is blanked during any downward
output-voltage transition that occurs when the controller is in pulse-skipping mode, and stays blanked until
the transition-related PWRGD blanking period is complete and the output reaches regulation. The output
overvoltage fault threshold is changed from a tracking [VID + 300mV] threshold to a fixed-default
transitional OVP threshold during the period for which the PWRGD upper threshold is blanked.
The MAX17082 is in two-phase pulse-skipping mode during startup and while in boot mode, but is in
forced-PWM mode during the transition from boot mode to VID mode plus 20 μs, and during soft-
shutdown, irrespective of the DRPSLPVR logic level.
DPRSLPVR and PSI together determine the operating mode and the number of active phases as shown
in the following truth table:
DPRSLPVR
PSI
MODE AND PHASES
1 0 Very low current (one-phase pulse skipping)
1 1 Low current (approx 3A) (one-phase pulse skipping)
0 0 Intermediate power potential (one-phase PWM)
0 1 Max power potential ( two- or one-phase PWM as configured at CSP2)
15
16
17
18
19
PSI
TON
V3P3
CLKEN
PWRGD
Power-State Indicator Input. DPRSLPVR and PSI together determine the operating mode and the number
of active phases as shown in the truth table included under the PSI pin description above.
Switching Frequency Setting Input. An external resistor between the input power source and TON sets
the switching period (T SW = 1/f SW ) per phase according to the following equation:
T SW = 16.3pF x (R TON + 6.5k )
TON becomes high impedance in shutdown to reduce the input quiescent current. If the TON current is
less than 10μA, the MAX17021/MAX17082/MAX17482 disable the controller, set the TON open fault
latch, and pull DL_ and DH_ low.
3.3V CLKEN Input Supply. V3P3 input supplies the CLKEN CMOS push-pull logic output. Connect to
the system ’s standard 3.3V supply voltage before SHDN is pulled high for proper IMVP-6.5 operation.
Clock Enable Push-Pull Logic Output. This inverted logic output indicates when the output voltage
sensed at FB is in regulation. During soft-start, shutdown, and when the FB is out of regulation, the
MAX17021/MAX17082/MAX17482 pull CLKEN up to V3P3. During VID transitions, the controller forces
CLKEN low. Except during the power-up sequence, CLKEN is the inverse of PWRGD. See the Startup
Timing Diagram (Figure 10). When in pulse-skipping mode (DPRSLPVR high), the upper CLKEN threshold
is disabled.
Open-Drain Power-Good Output. After output-voltage transitions, except during power-up and power-
down; if FB is in regulation then PWRGD is high impedance.
During startup, PWRGD is held low and continues to be low while the part is in boot mode and until
5ms (typ) after CLKEN goes low.
PWRGD is forced low in shutdown.
PWRGD is forced high impedance whenever the slew-rate controller is active (output-voltage transitions).
When in pulse-skipping mode (DPRSLPVR high), the upper PWRGD threshold comparator is blanked
during downward transitions.
A pullup resistor on PWRGD causes additional finite shutdown current.
16
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| MAX17083ETG+ | 功能描述:直流/直流开关调节器 Low-Voltage Internal Switch Step-Down RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX17083ETG+T | 功能描述:直流/直流开关调节器 Low-Voltage Internal Switch Step-Down RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX17083EVKIT+ | 功能描述:电源管理IC开发工具 Low-Voltage Internal Switch Step-Down RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX17085BETL+ | 功能描述:电池管理 Dual Main Step-Down Controller RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX17085BETL+T | 功能描述:电池管理 Dual Main Step-Down Controller RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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