參數(shù)資料
型號(hào): US3005
廠商: Unisem Group
英文描述: 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC WITH DUAL LDO CONTROLLER
中文描述: 5位可編程同步降壓控制器IC具有雙LDO控制器
文件頁(yè)數(shù): 3/14頁(yè)
文件大?。?/td> 99K
代理商: US3005
US3004/US3005
4-3
Rev. 1.2
12/8/00
UVLO Section
UVLO Threshold-12V
UVLO Hysterises-12V
UVLO Threshold-5V
UVLO Hysterises-5V
Error Comparator Section
Input bias current
Input Offset Voltage
Delay to Output
Current Limit Section
C.S Threshold Set Current
C.S Comp Offset Voltage
Hiccup Duty Cycle
Supply Current
Operating Supply Current
Supply ramping up
9.2
0.3
4.1
0.2
10
0.4
4.3
0.3
10.8
0.5
4.5
0.4
V
V
V
V
Supply ramping up
2
+2
100
uA
mV
nS
-2
Vdiff=10mV
160
-5
200
240
+5
2
uA
mV
%
Css=0.1 uF
CL=3000pF
V5
V12
20
14
mA
Output Drivers Section
Rise Time
Fall Time
Dead band Time
Oscillator Section
Osc Frequency
Osc Valley
Osc Peak
LDO Controller Section
Vfb1 & Vfb2 (US3004)
Vfb2 (US3005)
Vfb1 (US3005)
Input bias current
Lin1 or Lin2 Drive Current
Note 1: Vs refers to the set point voltage given in Table 1.
CL=3000pF
CL=3000pF
CL=3000pF
70
70
200
100
130
300
nS
nS
nS
100
Ct=150pF
190
220
250
0.2
Khz
V
V
V5
1.477
1.500
1.522
V
2.500
V
uA
mA
2
50
D4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
D2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Vs
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
D4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
D2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Vs
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
Table 1 - Set point voltage vs. VID codes
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