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参数资料
| 型号： | EVAL-ADM1178MEBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR ADM1178 |
| 标准包装： | 1 |
| 主要目的： | 电源管理，热交换控制器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADM1178 |
| 主要属性： | 热交换控制器，数字功率监控器，高端 MOSFET 驱动器 |
| 次要属性： | SMBus，I2C，3.15 V ~ 16.5 V 电源 |
| 已供物品： | 板，线缆，样品 IC |
Data Sheet
SPECIFICATIONS
V CC = 3.15 V to 16.5 V, T A = ?40°C to +85°C, typical values at T A = 25°C, unless otherwise noted.
Table 1.
ADM1178
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
VCC PIN
Operating Voltage Range, V CC
Supply Current, I CC
3.15
1.7
16.5
2.5
V
mA
Undervoltage Lockout, V UVLO
Undervoltage Lockout Hysteresis, V UVLOHYST
2.8
80
V
mV
VCC rising
ON PIN
Input Current, I INON
?100
?2
+100
+2
nA
μA
ON < 1.5 V
Rising Threshold, V ONTH
Trip Threshold Hysteresis, V ONHYST
1.26
35
1.3
50
1.34
65
V
mV
ON rising
Glitch Filter Time
ALERTB PIN
3
μs
Output Low Voltage, V ALERTOL
Input Current, I ALERT
?1
0.05
1
0.1
1.5
+1
V
V
μA
I ALERT = ?100 μA
I ALERT = ?2 mA
V ALERT = V CC ; ALERTB not asserted
SENSE PIN
Input Leakage, I SENSE
Overcurrent Fault Timing Threshold, V OCTRIM
?1
92
+1
μA
mV
V SENSE = V CC
V OCTRIM = (V CC ? V SENSE ), fault timing
starts on the TIMER pin
Overcurrent Limit Threshold, V LIM
97
100
103
mV
V LIM = (V CC ? V SENSE ), closed-loop
regulation to a current limit
Fast Overcurrent Trip Threshold, V OCFAST
115
mV
V OCFAST = (V CC ? V SENSE ), gate pull-down
current turned on
GATE PIN
Drive Voltage, V GATE
Pull-Up Current
Pull-Down Current
3
9
7
8
6
11
10
12.5
1.5
9
13
13
17
V
V
V
μA
mA
V GATE ? V CC , V CC = 3.15 V
V GATE ? V CC , V CC = 5 V
V GATE ? V CC , V CC = 16.5 V
V GATE = 0 V
V GATE = 3 V, V CC = 3.15 V
TIMER PIN
5
7
mA
mA
V GATE = 3 V, V CC = 5 V
V GATE = 3 V, V CC = 16.5 V
Pull-Up Current (Power-On Reset), I TIMERUPPOR
Pull-Up Current (Fault Mode), I TIMERUPFAULT
Pull-Down Current (Retry Mode), I TIMERDNRETRY
?3.5
?40
?5
?60
2
?6.5
?80
3
μA
μA
μA
Initial cycle, V TIMER = 1 V
During current fault, V TIMER = 1 V
After current fault and during a cooldown
period on a retry device, V TIMER = 1 V
Pull-Down Current, I TIMERDN
100
μA
Normal operation, V TIMER = 1 V
Trip Threshold High, V TIMERH
Trip Threshold Low, V TIMERL
1.26
0.175
1.3
0.2
1.34
0.225
V
V
TIMER rising
TIMER falling
ADR PIN
Set Address to 00, V ADRLOWV
0
0.8
V
Low state
Set Address to 01, R ADRLOWZ
135
150
165
kΩ
Resistor to ground state, load pin with
specified resistance for 01 decode
Set Address to 10, I ADRHIGHZ
?1
+1
μA
Open state, maximum load allowed on
ADR pin for 10 decode
Set Address to 11, V ADRHIGHV
Input Current for 11 Decode, I ADRHIGH
2
3
5.5
10
V
μA
High state
V ADR = 2.0 V to 5.5 V
Input Current for 00 Decode, I ADRLOW
?40
?22
μA
V ADR = 0 V to 0.8 V
Rev. D | Page 3 of 24
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