ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 5. Dynamic Electrical Characteristics
Characteristics noted under conditions 6.0V ≤ KA_VBAT = VBAT ≤ 26.5V, -40°C ≤ TA ≤ 125°C using the typical application
circuit, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
GENERAL
Power On Reset Delay Time (HR Timer) (see Table 7)
t
0
—
56
ms
D_POR
(Time to RESET up after Regulator in regulation)
Power On Reset Delay Time (HR Timer) Accuracy(10)
Programming Pin Latching Delay(10)
-5.0
—
—
+5.0
—
%
t
500
µs
LD_P
SWITCHING REGULATOR
Oscillator Frequency (Switching Freq.) Range - Adjustable (Figure 4)
Oscillator Frequency Tolerance at 100kHz (FREQ Pin Open)
Freq
fTOL
100
90
—
—
500
110
kHz
kHz
SW Node Rise Time, V
= KA_VBAT = 14V, I
= 500mA(10)
SW
BAT
SR pin shorted to SW pin
SR pin open
t
20
12
9
ns
ns
ns
SW_R
SR pin shorted to BOOT pin
SW Node Fall Time, V = KA_VBAT = 14V, I
= 500mA(10)
SW
BAT
SR pin shorted to SW pin
SR pin open
t
TBD
TBD
TBD
ns
ns
ns
SW_F
SR pin shorted to BOOT pin
Notes
10. Guaranteed by design.
33730
Analog Integrated Circuit Device Data
Freescale Semiconductor
11
FREESCALE [ Freescale ]
