sip12203 Vishay, sip12203 Datasheet - Page 3

• Manufacturer Part Number: sip12203
• Description: Triple Step Down Controller Ic For 2 Synchronous And 1 Linear Power Rails
• Manufacturer: Vishay

Document Number: 69986
S-82337-Rev. B, 22-Sep-08
SPECIFICATIONS
Parameter
PWM Error Amplifier
Transconductance
FB Input Bias Current
Reference Voltage
Soft Start
Soft Start Period
Enable
Low Level (Disable)
High Level (Enable)
Supply
Shutdown Current
Input Quiescent Current
MOSFET Drivers
Break-Before-Make Time
Highside Driver (Channel 1 and Channel 2)
On Resistance
Rise Time
Fall Time
Sink/Source Current
Lowside Driver (Channel 1 and Channel 2)
On Resistance
Rise Time
Fall Time
Sink/Source Current
LDO Controller
Drive Sink Current On D3 Pin
FB3 Feedback Voltage
Output Undervoltage Threshold
FB3 Input Leakage Current
Amplifier Transconductance
Power Good Function
PG Low Level Voltage
PG Leakage Current
PG Upper Threshold
(Channels 1 and 2)
PG Lower Threshold
(Channels 1 and 2)
PG for LDO Output
PG Hysteresis for LDO
PG
Symbol
PG
FB3
PG
PG
R
R
PG
V
R
R
V
PG
T
LDO_HYS
V
V
t
I
PG
I
GM
EN_H
DSPH
DSNH
SOFT
EN_L
I
DSPL
DSNL
BBM
DRH
DRL
I
I
t
t
t
t
REF
SD
I
D3
FB3
UVLO
FB
rH
fH
rL
fL
Q
THH
LDO
THL
Lkg
Lkg
L
Percentage of set point when FB1 or FB2 is
Percentage of set point when FB1 or FB2 is
Percentage of set point when FB3 is falling
Current flowing into V
Value for power good logic. Percentage of
Forcing 21 mA into FB3 pin. V
Pull-up resistor = 100 kΩ; V
V
V
V
Unless Otherwise Specified
IN
Sourcing, V
BST
BST
Sinking, V
Forcing 21 mA into FB3 pin
PG pull-up resistor is open
= 12 V, T
V
V
- V
- V
EN1 = EN2 = LOW,
EN1 = EN2 = LOW
Sourcing, V
falling until PG = 0
L
L
rising until PG = 0
Test Conditions
Sinking, V
feedback voltage
= 5 V, C
= 5 V, C
LX
LX
until PG = 0
= 4.5 V, C
= 4.5 V, C
A
BST
BST
= - 40 °C to 85 °C
IN
L
L
- V
- V
L
= 2.7 nF
= 2.7 nF
L
pin, non-switching
= 5 V
LX
= 5 V
LX
L
L
= 4.5 V
= 4.5 V
= 2.7 nF
= 2.7 nF
IN
FB3
> 2.5 V
= 0.6 V
Min.
105
2.0
50
80
69
a
Limits
Typ.
13.4
400
400
0.6
6.5
2.5
7.8
2.3
2.5
1.0
5.8
0.6
0.1
10
10
51
15
74
45
74
2
2
4
Vishay Siliconix
b
Max.
± 1.0
SiP12203
100
100
150
120
0.8
4.4
3.9
1.8
0.5
12
95
79
www.vishay.com
a
mA/V
Unit
mA
mA
mA
mA
A/V
ms
nA
µA
nA
µA
ns
ns
ns
Ω
Ω
%
%
V
V
V
V
3