SC2446
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: AVCC = PVCC = VIN2 =12V, VBST1 = VBST2 = 12V, SYNC= 0, ROSC = 51.1kΩ, -40°C < TA = TJ < 85°C
Parameter
Symbol
Conditions
Min
Load Regulation
Internal 0.5V Reference Buffer
0 < IREFOUT < -5mA
Output Voltage
VREF
IREF= -1mA
490
Load Regulation
0 < IREF < -5mA
Notes:
(1) Guaranteed by design not tested in production.
(2) This device is ESD sensitive. Use of standard ESD handling precautions is required.
Typ
0.02
500
0.05
Max
Units
%/mA
510
mV
%/mA
Pin Configurations
(TOP VIEW)
CS1+
CS1-
ROSC
IN1-
COMP1
SYNC
AGND
REF
REFOUT
REFIN
COMP2
IN2-
CS2-
CS2+
(28-Pin TSSOP)
Figure 2
SS1/EN1
VPN1
BST1
GDH1
GDL1
PVCC
PGND
GDL2
GDH2
BST2
VPN2
VIN2
AVCC
SS2/EN2
Ordering Information
Device
Package(1)
Temp. Range( TA)
SC2446ITETRT(2) TSSOP-28-EDP
-40 to 85°C
SC2446EVB
Evaluation Board
Notes:
(1) Only available in tape and reel packaging. A reel
contains 2500 devices for TSSOP package.
(2) Lead free product.
2004 Semtech Corp.
5
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