sc1155csw.tr Semtech Corporation, sc1155csw.tr Datasheet - Page 6

• Manufacturer Part Number: sc1155csw.tr
• Description: Programmable Synchronous Dc/dc Hysteretic Controller With Vrm 9.0 Vid Range
• Manufacturer: Semtech Corporation

PRELIMINARY - August 7, 2000
ELECTRICAL CHARACTERISTICS (cont.)
Unless specified: 0 < T
PARAMETER
DRIVE REGULATOR
DRV Voltage
Load Regulation
Short Circuit Current
HIGH-SIDE OUTPUT DRIVER
Peak Output Current
Output Resistance
LOW-SIDE OUTPUT DRIVER
Peak Output Current
Output Resistance
© 2000 SEMTECH CORP.
J
< 125°C, VIN12V = 12V
Rsink
Rsink
Rsrc
Isink
Rsrc
SYMBOL
Isink
Vldreg
Isrc
Isrc
Ishort
V
HIGHDR’
LOWDR’
DRV
HIGHDR’
HIGHDR
LOWDR’
LOWDR
HIGHDR
LOWDR
DRV
DRV
11.4 < VIN12V < 12.6V,
I
1mA < I
duty cycle < 2%, tpw < 100us,
T
V
1.5V (src), or V
(Note 1)
T
V
V
T
V
V
duty cycle < 2%, tpw < 100us,
T
V
or V
T
V
T
V
DRV
PROGRAMMABLE SYNCHRONOUS
DC/DC HYSTERETIC CONTROLLER
WITH VRM 9.0 VID RANGE
J
BOOT
J
BOOT
HIGHDR
J
BOOT
HIGHDR
J
DRV
J
DRV
J
DRV
= 125 C
= 125 C
= 125 C
= 125 C
= 125 C
= 125 C
= 50mA
LOWDR
= 6.5V, V
= 6.5V, V
= 6.5V, V
- V
- V
- V
= 6V
= 0.5V
DRV
BOOTLO
BOOTLO
BOOTLO
= 5V (sink) (Note 1)
CONDITIONS
< 50mA
LOWDR
LOWDR
LOWDR
= 6.5V,
= 6.5V,
= 6.5V, V
HIGHDR
= 1.5V (src),
= 6V
= 0.5V
= 5V (sink)
HIGHDR
=
MIN
100
7
2
2
TYP
100
MAX
45
45
9
5
5
SC1155
UNITS
mA
mV
V
A
A
6