ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. Dynamic Electrical Characteristics
Characteristics noted under conditions 3.0 V
≤
V
IN
≤
6.0 V, - 40°C
≤
T
A
≤
85°C, GND = 0 V unless otherwise noted. Typical
values noted reflect the approximate parameter means at T
A
= 25°C under nominal conditions unless otherwise noted.
Characteristic
BUCK CONVERTER (PVIN, SW, GND, BOOT)
Switching Node (SW) Rise Time
(19)
(P
VIN
= 3.3 V, I
OUT
= ±3.0 A)
Switching Node (SW) Fall Time
(19)
(P
VIN
= 3.3 V, I
OUT
= ±3.0 A)
Soft Start Duration
(Normal Mode)
Over Current Limit Timer
Over Current Limit Retry Time-out Period
Output Undervoltage/Overvoltage Filter Delay Timer
OSCILLATOR (FREQ)
Oscillator Default Switching Frequency
(FREQ = GND)
Oscillator Switching Frequency Range
CONTROL AND SUPERVISORY (STBY, SD, PG)
PG Reset Delay
Thermal Shutdown Retry Time-out Period
(19)
Notes
18. Oscillator Frequency tolerance is ±10%.
19. Design information only, this parameter is not production tested.
t
PGRESET
t
TIMEOUT
8.0
80
-
-
12
120
ms
ms
F
SW
F
SW
-
200
1.0
-
-
1000
MHz
kHz
t
SS
t
LIM
t
TIMEOUT
t
FILTER
1.3
-
80
5.0
-
10
-
-
2.6
-
120
25
ms
ms
ms
µs
t
FALL
-
20
-
ns
t
RISE
-
14
-
ns
Symbol
Min
Typ
Max
Unit
34712
Analog Integrated Circuit Device Data
Freescale Semiconductor
9
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
