US3005 UNISEM, US3005 Datasheet - Page 3

• Manufacturer Part Number: US3005
• Description: 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC WITH DUAL LDO CONTROLLER
• Manufacturer: UNISEM

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
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.
Rev. 1.2
12/8/00
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
Supply ramping up
Supply ramping up
Vdiff=10mV
Css=0.1 uF
CL=3000pF
V5
V12
CL=3000pF
CL=3000pF
CL=3000pF
Ct=150pF
Table 1 - Set point voltage vs. VID codes
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
9.2
0.3
4.1
0.2
-2
160
-5
100
190
1.477
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
10
0.4
4.3
0.3
200
20
14
70
70
200
220
V5
1.500
2.500
50
US3004/US3005
D1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
10.8
0.5
4.5
0.4
2
+2
100
240
+5
2
100
130
300
250
0.2
1.522
2
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
V
V
V
V
uA
mV
nS
uA
mV
%
mA
nS
nS
nS
Khz
V
V
V
V
uA
mA
4-3