MNLM1575-12-X Datasheet, PDF (5/14 Pages) National Semiconductor (TI) – SIMPLE SWITCHER 1A STEP-DOWN VOLTAGE REGULATOR

MNLM1575-12-X REV 0D1
MICROCIRCUIT DATA SHEET
Electrical Characteristics
ELECTRICAL CHARACTERISTICS: SYSTEM PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: Vin = 25V, and Iload = 200mA.
SYMBOL
Vout
PARAMETER
Output Voltage
CONDITIONS
0.2A < Iload < 1A, 15V < Vin < 40V
NOTES
1
PIN-
NAME
1
1
MIN
11.88
11.64
11.52
MAX UNIT
12.12 V
SUB-
GROUPS
1
12.36 V
1
12.48 V
2, 3
ELECTRICAL CHARACTERISTICS: DEVICE PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: Vin = 25V, and Iload = 200mA.
Vsat
Saturation
Voltage
Iout = 1A
2
1.2
2
1.4
Icl
Current Limit
Peak Current, tON < 3uS
2
1.7
3.0
2
1.3
3.2
Il
Output Leakage
Vin = 35V, Output = 0V
4
2
Current
Vin = 35V, Output = -1V
4
30
Iq
Quiescent Current
4
10
4
12
Istby
Standby Quiescent ON/OFF Pin = 5V (OFF)
200
Current
500
V
1
V
2, 3
A
1
A
2, 3
mA 1
mA 1
mA 1
mA 2, 3
uA 1
uA 2, 3
AC ELECTRICAL CHARACTERISTICS: DEVICE PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC: Vin = 25V, and Iload = 200mA.
fo
Oscillator
Frequency
47
58
43
62
Dc
Max Duty Cycle
(ON)
3
93
KHz 4
KHz 5, 6
%
9
5