ILC6375 Datasheet, PDF (2/4 Pages) Impala Linear Corporation – 1 AMP SOT - 89 STEP DOWN PWM SWITCHER CONTROLLER

1 Amp SOT-89 Step Down PWM Switcher Controller
Absolute Maximum Ratings (T_A = 25^οC)
Parameter
Input Voltage
Voltage on V_OUT pin
Voltage on pin EXT
Current on pin EXT
Continuous Total Power Dissipation
Operating Ambient Temperature
Storage Temperatures
Symbol
V_IN
V_OUT
V_EXT
I_EXT
P_D
T_A
T_STG
Ratings
12
12
-0.3 to V_IN + 0.3
+50
500
-30 to +80
-40 to+125
Units
V
V
V
mA
mW
ο_C
ο_C
Electrical Characteristics ILC6375CP-50
V_OUT = 5.0V F_OSC = 100kHz T_A = 25^oC, unless otherwise specified, V_IN = 6V, I_OUT = 100mA, See test circuit, figure 1.
Parameter
Output Voltage
Input Voltage
Supply Current 1
Supply Current 2
EXT “High” ON Resistance
EXT “Low” ON Resistance
Oscillator Frequency
Maximum Duty Ratio
Efficiency
Soft-Start Time
Symbol
V_OUT
V_IN
I_DD 1
I_DD 2
R_EXTH
R_EXTL
F_OSC
MAXDTY
EFFI
T_SS
Conditions
4.75V applied to V_OUT with no
external components
5.5V applied to V_OUT with no
external components
5.5V applied to V_OUT with no
external components, V_EXT =4.6V
4.75V applied to V_OUT with no
external components, V_EXT =0.4V
Measure Frequency at EXT pin
Measure Duty Cycle at EXT pin
Min
4.875
85
100
Typ
5.000
25
20
38
30
100
90
10
Max
5.125
10
42
34
63
50
115
Units
V
V
µA
µA
Ω
Ω
kHz
%
%
ms
Impala Linear Corporation
ILC6375 1.1
[phone] www.impalalinear.com
June 1999 2