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| 型号： | MAX1716EEG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/33页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 24-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 550kHz |
| 占空比： | 100% |
| 电源电压： | 2 V ~ 28 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
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High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
ABSOLUTE MAXIMUM RATINGS
V+ to GND ..............................................................-0.3V to +30V
V CC , V DD to GND .....................................................-0.3V to +6V
PGND to GND.....................................................................±0.3V
SHDN , VGATE to GND .............................................-0.3V to +6V
ILIM, FB, CC, REF, D0 – D4, VPS,
TON to GND ...........................................-0.3V to (V CC + 0.3V)
SKIP to GND (Note 1).................................-0.3V to (V CC + 0.3V)
DL to PGND................................................-0.3V to (V DD + 0.3V)
BST to GND ............................................................-0.3V to +36V
LX to BST..................................................................-6V to +0.3V
CS to GND.................................................................-2V to +30V
REF Short Circuit to GND ...........................................Continuous
Continuous Power Dissipation (T A = +70 ° C)
24-Pin QSOP (derate 9.5mW/ ° C above +70 ° C)...........762mW
Operating Temperature Range ...........................-40 ° C to +85 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
DH to LX ....................................................-0.3V to (V BST + 0.3V)
Note 1: SKIP may be forced below -0.3V, temporarily exceeding the absolute maximum rating, for the purpose of debugging proto-
type breadboards, using the no-fault test mode. Limit the current drawn to -2mA (max).
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = +15V, V CC = V DD = 5V, SKIP = V CC , VPS = PGND, T A = 0°C to +85°C , unless otherwise noted. Typical
values are at T A = +25 ° C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLER
Input Voltage Range
Battery voltage, V+
V CC , V DD
DAC codes from
1.35V to 2.0V
2
4.5
-1
28
5.5
1
V
DC Output Voltage Accuracy
(Notes 2, 3)
V+ = 4.5V to 28V,
VPS = PGND
DAC codes from
0.925V to 1.3V
-1.2
1.2
%
DAC codes from
0.6V to 0.9V
-1.5
1.5
FB Input Bias Current
VPS Input Bias Current
I FB
I VPS
FB = 0.6V to 2.0V
V VPS = ± 40mV
-0.2
-1
0.2
1
μ A
μ A
VPS Gain
A VPS
V VPS = 0 or -40mV, gain from VPS to FB
0.153
0.175
0.197
%/mV
CS Input Bias Current
ILIM Input Leakage Current
Soft-Start Ramp Time
I CS
I ILIM
0 to 28V
V ILIM = 0 or 5.0V
0 to full ILIM
TON = GND
-1
205
0.01
1.7
255
1
100
300
μ A
nA
ms
On-Time (Note 4)
t ON
V+ = 11.0V,
V FB = 1.5V
TON = REF
TON = open
280
425
327
470
375
520
ns
TON = V CC
615
678
740
Minimum Off-Time (Note 4)
t OFF(MIN)
400
500
ns
2
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