DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions 4.75 V ≤ V ≤ 5.25 V, 13 V ≤ V ≤ 32 V, and 0°C ≤ TJ ≤ 105°C unless otherwise noted.
IO
B
+
Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal conditions unless otherwise noted
Characteristic
SWITCHING REGULATOR
Symbol
Min
Typ
Max
Unit
V
I/O
D
45
20
49
35
55
50
%
Duty Cycle
tR, tF
ns
Switching Rise and Fall Time
Load Resistance = 100 Ω, VB = 30 V
+
SUPERVISOR CIRCUITRY (RST)
ms
µs
ns
t
RST Delay
DELAY
40
2.0
–
60
4.0
25
80
8.0
75
C
= 0.1 µF
delay
t
RST Filter Time
FILTER
VB = 9.0 V
+
t
RST Fall Time
CL = 100 pF, R
F
= 4.7 kΩ, 90% to 10%
PULLUP
C Delay
I
2.0
1.7
3.5
2.0
5.0
2.2
µA
Charge Current
CDLY
V
Threshold Voltage
V
THCD
INTERNAL OSCILLATOR
f
kHz
Charge Pump and V
Switching Regulator Operating Frequency
OP
I/O
140
170
260
VB = 12 V to 32 V
+
34710
Analog Integrated Circuit Device Data
Freescale Semiconductor
8
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