参数资料
型号: L4964
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 4 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PZFM15
封装: VERTICAL, PLASTIC, MULTIWATT-15
文件页数: 10/13页
文件大小: 1058K
代理商: L4964
ELECTRICAL CHARACTERISTICS (continued)
(refer to the test circuits Tj = 25
oC, Vi = 25V, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Fig.
ERROR AMPLIFIER (continued)
I10
Input Bias Current
V10 = 5.2V, S1 : B
2
20
A6c
Gv
DC Open Loop Gain
V9 = 1V to 3V, S1 : A, S2 : C
40
55
dB
6c
OSCILLATOR AND PWM COMPARATOR
–I7
Input Bias Current of
PWM Comparator
V7 = 0.5V to 3.5V
10
A6a
–I11
Oscillator Source Current
V11 = 2V, S1 : A, S2 : B
4
mA
6a
RESET
V12R
Rising Threshold Voltage
Vi = 9 V to 36 V, S1 : B, S2 : B
Vref
- 150mV
Vref
- 100mV
Vref
- 50mV
V6d
V12F
Falling Threshold Voltage
4.75
Vref
- 150mV
Vref
- 100mV
V6d
V13D
Delay Threshold Voltage
V12 = 5.3 V, S1 : A, S2 : B
4.3
4.5
4.7
V
6d
V13H
Delay Threshold Voltage
Hysteresis
100
mV
6d
V14S
Output Saturation Volt.
I14 = 5mA, V12 = 4.7V - S1, S2 : B
0.4
V
6d
I12
Input Bias Current
V12 = 0V to Vref, S1 : B, S2 : B
1
10
A6d
–I13 so
I13 si
Delay Source Current
Delay Sink Current
V13 = 3V, S1 : A, S2 : B
V12 = 5.3V
V12 = 4.7V
60
8
110
150
A
mA
6d
I14
Output Leakage Current
Vi = 36V, V12 = 5.3V, S1 : B, S2 : A
100
A6d
C7, C8 : EKR (ROE)
L1 : L = 300
H at 8 A
R = 500 m
Core type : MAGNETICS 58930 - A2 MPP
N° turns : 43
Wire Gauge : 1 mm (18 AWG)
Figure 4 : Dynamic Test Circuit
L4964
6/13
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