ISL97650 Intersil Corporation, ISL97650 Datasheet - Page 5

• Manufacturer Part Number: ISL97650
• Description: 4-Channel Integrated LCD Supply
• Manufacturer: Intersil Corporation

Electrical Specifications
Typical Performance Curves
Vth_POUT(FBP)
Vth_NOUT(FBN)
TFD
START-UP SEQUENCING
t
I
I
C
t
t
t
START-UP
DELB_ON
DELB_OFF
VOFF
VON
VON-SLICE
DEL
PARAMETER
100
100
80
60
40
20
80
60
40
20
0
0
0
0
FIGURE 1. BOOST EFFICIENCY
FIGURE 3. BUCK EFFICIENCY
P
N
Fault Delay Time to Chip Turns Off
Enable to A
DELB Pull-Down Current or Resistance
when Enabled by the Start-Up Sequence
DELB Pull-Down Current or Resistance
when Disabled
Sequence Timing and Fault Time Out
Capacitor
A
V
V
VDD
OUT
OFF
ON
OUT
500
to V
500
to V
to V
Charge Pump Short Detection
Charge Pump Short Detection
ON-SLICE
ON
OFF
VDD
I
DESCRIPTION
O
I
5
O
V
Delay
1000
(mA)
V
otherwise stated. (Continued)
IN
(mA)
IN
Start Time
= 5V
V
= 12V, V
Delay
IN
1000
= 12V
1500
V
BOOST
IN
= 12V
V
IN
= 5V
= V
1500
2000
SUP
V(FBP) falling less than
V(FBN) rising more than
C
VDELB > 0.9V
VDELB < 0.9V
VDELB < 20V
C
C
C
DEL
DEL
DEL
DEL
= 15V, V
ISL97650
= 220nF
= 220nF
= 220nF
= 220nF
ON
= 25V, V
CONDITIONS
OFF
0.12
0.08
0.06
0.04
0.02
-0.5
-1.0
-1.5
-2.0
0.1
0
0
= -8V, over temperature from -40°C to +105°C, unless
0
FIGURE 2. BOOST LOAD REGULATION
0
FIGURE 4. BUCK LOAD REGULATION
500
500
V
V
IN
IN
= 12V
1.00
MIN
= 5V
36
10
I
I
O
O
1000
1000
(mA)
(mA)
1.326
TYP
0.9
0.4
52
80
50
20
17
9
1500
1500
MAX
1.75
500
220
V
V
70
November 28, 2006
IN
IN
= 5V
= 12V
2000
2000
FN9198.3
UNIT
ms
ms
kΩ
ms
ms
ms
µA
nA
nF
V
V