SC1486
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not implied.
Parameter
TON1 to AGND1, TON2 to AGND2
DH1, BST1 to AGND1 and DH2, BST2 to AGND2
LX1 to AGND1 and LX2 to AGND2
AGND1 to PGND1, and AGND2 to PGND2
BST1 to LX1 and BST2 to LX2
VCCA1, VDDP1 to AGND1 and VCCA2, VDDP2 to AGND2
FB1, PGOOD1, EN/PSV1, ILIM1, VOUT1, DL1 to PGND1
FB2, PGOOD2, REFIN, ILIM2, REFOUT, DL2 to PGND2
Thermal Resistance Junction to Ambient
(5)
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
Symbol
Maximum
-0.3 to +25.0
-0.3 to +30.0
-2.0 to +25.0
-0.3 to +0.3
-0.3 to +6.0
-0.3 to +6.0
-0.3 to +6.0
-0.3 to +6.0
Units
V
V
V
V
V
V
V
V
°C/W
°C
°C
°C
θ
JA
T
J
T
STG
T
LEAD
37
-40 to +125
-65 to +150
300
Electrical Characteristics
Test Conditions: V
BAT
= 15V, EN/PSV1 = 5V, REFIN=1.25V, VCCA1 = VDDP1 = VCCA2 =VDDP2= 5.0V, V
VDDQ
= 2.5, V
VTT
= 1.25, R
TON1
= 1M, R
TON2
= 1M
Parameter
Conditions
Min
25°C
Typ
Max
-40°C to 125°C
Min
Max
Units
Input Supplies
V C C A 1, V C C A 2
V D D P 1, V D D P 2
VDDP2 Undervoltage Threshold
VDDP2 Undervoltage Hysteresis
VDDP1 Operating Current
VDDP2 Operating Current
VCCA1, VCCA2 Operating Current
VCCA2 Standby Current
TON1, TON2 Operating Current
REFIN Bias Current
Shutdown Current
FB > regulation point, I
LOAD
= 0A
VDDP2 < VDDP2 UV
threshold, no load on REFOUT
R
TON
= 1M
REFIN = 1.25
EN/PSV1 = 0V
V C C A 1, V C C A 2
TON1, TON2, VDDP1
2002 Semtech Corp.
2
5.0
5.0
VDDP2 falling
3.5
250
FB > regulation point, I
LOAD
= 0A
1
5
700
125
15
4.5
4.5
5.5
5.5
V
V
V
mV
5
10
1100
µA
µA
µA
µA
1
-5
5
0
-10
10
1
µA
µA
µA
µA
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