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参数资料
| 型号： | MAX4766CETA+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 0.075A to 1.5A, Programmable Current-Limit Switch |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TINY, TDFN-8 |
| 文件页数： | 7/12页 |
| 文件大小： | 326K |
| 代理商： | MAX4766CETA+T |
MAX4766
0.075A to 1.5A, Programmable
Current-Limit Switch
4
_______________________________________________________________________________________
Note 1: All parameters tested at TA = +25°C. Limits through the temperature range are guaranteed by design.
Note 2: Not production tested. Guaranteed by design.
Note 3: Turn-on time (also called soft-start time) is defined as the difference in the time between when the output crosses 10%, and
90% of the final output voltage.
Typical Operating Characteristics
(VIN = 3.3V, COUT = 2.2F, RSETI = 0k
, TA = +25°C, unless otherwise noted.)
CURRENT LIMIT
vs. SUPPLY VOLTAGE
MAX4766
toc01
SUPPLY VOLTAGE (V)
CURRENT
LIMIT
(A)
3.75
3.00
1.45
1.50
1.55
1.60
1.40
2.25
4.50
VCC = 3V
CURRENT LIMIT
vs. TEMPERATURE
MAX4766
toc02
TEMPERATURE (
°C)
CURRENT
LIMIT
(A)
60
35
10
-15
1.45
1.50
1.55
1.60
1.40
-40
85
VCC = 3V
BLANKING TIME
vs. TEMPERATURE
MAX4766
toc03
TEMPERATURE (
°C)
BLANKING
TIME
(ms)
60
35
10
-15
6
7
8
9
10
5
-40
85
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 2.25V to 4.5V, COUT = 2.2F, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C, unless other-
wise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FLAG OUTPUT LOGIC
FLAG Output Logic-Low Voltage
VOL
ISINK = 1mA
0.4
V
FLAG Output High Leakage Current
VIN = V FLAG = 5.5V
1
A
THERMAL PROTECTION
Thermal Shutdown
VIN = 3.3V, junction temperature rising
150
°C
Thermal Shutdown Hysteresis
VIN = 3.3V
15
°C
DYNAMIC
Turn-On Time (Note 3)
TSS
CSETS = 0.01F
5
9
17.5
ms
Turn-Off Time
TOFF
VON from high to low; RL = 10
, RSET = 0,
VIN = 3.3V
75
150
s
Current-Limit Reaction Time
VIN = 4V, RSET = 0
, output high and then
short-circuit applied
1s
Blanking Time
tBLANK
CSETB = 0.01F
3.5
6.75
11.5
ms
Retry Time
225
420
700
ms
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