ISL78022_14 Datasheet, PDF (5/19 Pages) Intersil Corporation – Automotive Grade TFT-LCD DC/DC with Integrated Amplifiers

ISL78020, ISL78022
Electrical Specifications V_IN = 3V, V_BOOST = V_SUP = 12V, V_SRC = 20V, limits over -40°C to +105°C temperature range, unless
otherwise specified. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX UNIT
I_LEAKCTL
t_Drise
t_Dfall
V_SRC
ISRC
CTL Input Leakage Current
CTL = AGND or IN
-1
CTL to OUT Rising Prop Delay
CTL to OUT Falling Prop Delay
SRC Input Voltage Range
1kΩ from DRN to 8V, V_CTL = 0V to 3V
step, no load on OUT, measured from
V_CTL = 1.5V to OUT = 20%
1kΩ from DRN to 8V, V_CTL = 3V to 0V
step, no load on OUT, measured from
V_CTL = 1.5V to OUT = 80%
SRC Input Current
Start-up sequence not completed
1
µA
100
ns
100
ns
30
V
150
250
µA
Start-up sequence completed
150
350
µA
r_ONSRC
r_ONDRN
r_ONCOM
SEQUENCING
SRC ON-Resistance
DRN ON-Resistance
COM to GND ON-Resistance
Start-up sequence completed
Start-up sequence completed
Start-up sequence not completed
5
12
Ω
30
60
Ω
350
1000
1800
Ω
t_ON
t_DEL1
t_DEL2
t_DEL3
Turn-On Delay
C_DEL = 100nF (See Figure 22)
Delay Between V_BOOST and V_OFF C_DEL = 100nF (See Figure 22)
Delay Between V_ON and V_OFF C_DEL = 100nF (See Figure 22)
Delay From V_ON to V_ON-slice
Enabled
C_DEL = 100nF (See Figure 22)
10
ms
10
ms
10
ms
10
ms
5
FN6386.3
December 23, 2013