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参数资料
| 型号： | MAX16915AUB/V+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/10页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR IDEAL DIODE 10UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 电池备份，工业/汽车，大电流开关 |
| FET 型： | P 沟道 |
| 输出数： | 2 |
| 内部开关： | 无 |
| 电源电压： | 4.5 V ~ 19 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
MAX16914/MAX16915
Ideal Diode, Reverse-Battery, and Overvoltage Protection
Switch/Limiter Controllers with External MOSFETs
Typical Operating Characteristics (continued)
(V CC = 14V, V SHDN = 14V, MAX16914/MAX16915 Evaluation Kit, T A = +25 N C, unless otherwise noted.)
BACK-CHARGE RESPONSE
MAX16914 toc10
15.0
V CC - V GATE_
vs. INPUT VOLTAGE
6.6
GATE-DRIVE VOLTAGE
vs. TEMPERATURE
13.5
5V
V CC
5V/div
V OUT
5V/div
12.0
10.5
9.0
7.5
GATE1
6.5
6.4
GATE1
5V
0V
1.0μs/div
V GATE1
5V/div
6.0
4.5
3.0
1.5
0
GATE2
SET = GND
SHDN = HIGH
4.5 9.0 13.5 18.0 22.5 27.0 31.5 36.0 40.5 44.0
6.3
6.2
-40
V CC = 14V
SET = GND
SHDN = HIGH
-15 10
35
60
85
GATE2
110
125
2.2μF INPUT CAPACITOR, 400 I
INPUT RESISTOR, 22μF OUTPUT CAPACITOR
SUPPLY VOLTAGE (V)
TEMPERATURE ( N C)
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
NAME
V CC
GATE1
SENSE IN
SHDN
OV
GND
SET
TERM
SENSE OUT
GATE2
FUNCTION
Positive Supply Input Voltage. Bypass V CC to GND with a 0.1 F F or greater ceramic capacitor.
Gate-Driver Output. Connect GATE1 to the gate of an external p-channel FET pass switch to pro-
vide low drain-to-source voltage drop, reverse voltage protection, and back-charge prevention.
Differential Voltage Sense Input (Input Side of IC). Used with SENSE OUT to provide back-charge
prevention when the SENSE IN voltage falls below the SENSE OUT voltage by 25mV.
Active-Low Shutdown/Wake Input. Drive SHDN high to turn on the voltage detectors. GATE2 is
shorted to V CC when SHDN is low. SHDN is internally pulled to GND through a 0.5 F A current sink.
Connect SHDN to V CC for always-on operation.
Open-Drain Overvoltage Indicator Output. Connect a pullup resistor from OV to a positive supply
such as V CC . OV is pulled low when the voltage at SET exceeds the internal threshold.
Ground
Controller Overvoltage Threshold Programming Input. Connect SET to the center of an external
resistive divider network between TERM and GND to adjust the desired overvoltage switch-off or
limiter threshold.
Voltage-Divider Termination Output. TERM is internally connected to SENSE OUT in the MAX16915
and to V CC in the MAX16914. TERM is high impedance when SHDN is low, forcing the current to
zero in the resistor-divider connected to TERM.
Differential Voltage Sense Input (Output Side Of IC). Used with SENSE IN to provide back-charge
prevention when the SENSE IN voltage falls below the SENSE OUT voltage by 25mV.
Gate-Driver Output. Connect GATE2 to the gate of an external p-channel FET pass switch. GATE2
is driven low during normal operation and quickly regulated or shorted to V CC during an overvolt-
age condition. GATE2 is shorted to V CC when SHDN is low.
Maxim Integrated
5
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