ISL78419_15 Datasheet, PDF (6/20 Pages) Intersil Corporation – Integrated Automotive TFT-LCD Power Supply Regulator

ISL78419
Electrical Specifications V_IN = ENABLE = 3.3V, AV_DD = 8V, V_LDO = 2.5V, V_ON = 24V, V_OFF = - 6V. Boldface limits apply across the
operating temperature range, -40°C to +105°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 6)
TYP
(Note 7)
MAX
(Note 6) UNITS
DV_LDO/
DI_OUT
Load Regulation
V_DO
Dropout Voltage
I_LIML
Current Limit
V_ADJ
ADJ Reference Voltage
I_ADJ
ADJ Input Bias Current
GATE PULSE MODULATOR
1mA < I_LDO < 350mA
Output drops by 2%, I_LDO = 350mA
Output drops by 5%
I_LOAD = 50mA, T_A = +25°C
0.2
%
225
300 mV
330
425
mA
0.792
0.8
0.808 V
0.1
µA
V_GH
V_{IH_VDPM}
I_VGH
VGH Voltage
V_DPM Enable Threshold
VGH Input Current
V_{GPM_LO}
I_{GPM_LO}
VCE_th1
VCE_th2
I_CE
R_{VGHM_PD}
R_ONVGH
IDPM
GPM_LO Voltage
VGPM_LO Input Current
CE Threshold Voltage 1
CE Threshold Voltage 2
CE Current
VGHM Pull-down Resistance
VGH to VGHM ON-resistance
VDPM Charge Current
VFLK = 0
RE = 100kΩ, VFLK = V_IN
7
1.13
2
-2
1.215
125
27.5
0.1
0.6xV_IN
1.215
100
1.1
23
10
33
V
1.30
V
µA
µA
V_GH-2
V
2
µA
0.8xV_IN V
V
µA
kΩ
Ω
µA
SUPPLY MONITOR
V_{IH_VDIV}
V_{IL_VDIV}
VthCD2
VDIV High Threshold
VDIV Low Threshold
CD2 Threshold voltage
VDIV rising
VDIV falling
1.265
1.21
1.200
1.280
1.222
1.217
1.295 V
1.234 V
1.234 V
I_CD2
CD2 Charge Current
R_{IL_RESET} RESET Pull-down Resistance
t_{DELAY_RESET} RESET Delay on the Rising Edge
10
µA
650
Ω
121.7k*
s
CD
VCOM AMPLIFIER R_LOAD = 10kΩ, C_LOAD = 10pF, unless otherwise stated
I_{S_com}
VCOM Amplifier Supply Current
V_OS
Offset Voltage
I_B
Non-inverting Input Bias Current
CMIR
Common-Mode Input Voltage Range
CMRR
Common-Mode Rejection Ratio
0.7
1.08 mA
2.5
15
mV
0
nA
0
AV_DD
V
60
75
dB
PSRR
Power Supply Rejection Ratio
70
85
dB
V_OH
Output Voltage Swing High
V_OL
Output Voltage Swing Low
I_SC
Output Short Circuit Current
I_OUT(source) = 0.1mA
I_OUT(source) = 75mA
I_OUT(sink) = 0.1mA
I_OUT(sink) = 75mA
Pull-up
Pull-down
AV_DD - 1.39
mV
AV_DD - 1.27
V
1.2
mV
1
V
150
225
mA
150
200
mA
SR
Slew Rate
25
V/µs
BW
Gain Bandwidth
-3dB gain point
20
MHz
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6
FN8292.3
June 27, 2014