LB1945H(1999) 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LB1945H Datasheet PDF : 7 Pages
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LB1945H
Electrical Characteristics at Ta = 25°C, VBB = 24V, VCC = 5V, VREF = 5.0V
Parameter
Symbol
Conditions
Output stage supply current
I BB ON I1 = 0.8V, I2 = 0.8V, ENABLE = 0.8V
I BB OFF ENABLE = 3.2V
Output saturation voltage 1
V osat 1 Io = +0.5A sink
2
V osat 2 Io = +0.8A sink
3
V osat 3 Io = –0.5A source
4
V osat 4 Io = –0.8A source
Output leakage current
I o1(leak) VO = V sink
I o2(leak) VO = 0V source
Output sustain voltage
V SUS L = 3.9 mH Io = 1.0A *1
Logic supply current
I CC ON I1 = 0.8V, I2 = 0.8V, ENABLE = 0.8V
I CC OFF ENABLE = 3.2V
Input voltage
V IH
V IL
Input current
I IH
V IH = 3.2V
I IL
V IL = 0.8V
Set current control threshold
value
Reference current
CR pin current
Vref/Vsen
I ref
I CR
I1 = 0.8V, I2 = 0.8V
I1 = 3.2V, I2 = 0.8V
I1 = 0.8V, I2 = 3.2V
Vref = 5.0V, I1 = 0.8V, I2 = 0.8V
CR = 1.0V
Thermal shutdown temperature T TSD
Temperature hysteresis width
∆TTSD
*1: Assured design target value, not measured
Truth Table
ENABLE
PHASE
L
H
L
L
H
–
OUTA
H
L
OFF
OUTA–
L
H
OFF
Ratings
min typ max
Unit
0.5 1.0 2.0 mA
0.2 mA
0.3
0.5
V
0.5 0.7
V
1.6
1.8
V
1.8
2.0
V
50 µA
–50
µA
30
V
50.0 70.0 92.0 mA
7.0 10.0 13.0 mA
3.2
V
0.8
V
35
50
65 µA
7
10
13 µA
9.5
10 10.5
13.5
15 16.5
25.5
30 34.5
17.5
25 32.5 µA
–1.0
mA
170
°C
40
°C
I1
I2
Output current
L
L
Vref / (10 × RE) = IOUT
H
L
Vref / (15 × RE) = IOUT × 2/3
L
H
Vref / (30 × RE) = IOUT × 1/3
H
H
0
Note: Output is OFF when ENABLE = H or when I1 = I2 = H.
No. 6193-2/7
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