SC198A Semtech, SC198A Datasheet - Page 5

• Manufacturer Part Number: SC198A
• Description: Dual DC-DC Buck Converter
• Manufacturer: Semtech

Pin Descriptions
Pin #
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
T
THERMAL PAD
MODE/SYNC
Pin Name
VOUTA
VOUTB
CTLA0
CTLA1
CTLA2
CTLB2
CTLB1
CTLB0
GNDA
GNDR
GNDB
VINA
VINB
VINR
ENA
LXA
ENB
LXB
NC
Input power supply voltage for converter A
Connection point for the inductor on converter A
Ground reference to converter A
Feedback control input for converter A
Voltage select control pin 0 for output A (see Table 1 — Output Voltage Options).
Voltage select control pin 1 for output A (see Table 1 — Output Voltage Options).
Voltage select control pin 2 for output A (see Table 1 — Output Voltage Options).
Ground for reference supply
Voltage select control pin 2 for output B (see Table 1 — Output Voltage Options).
Voltage select control pin 1 for output B (see Table 1 — Output Voltage Options).
Voltage select control pin 0 for output B (see Table 1 — Output Voltage Options).
Feedback control input for converter B
Ground reference for converter B
Connection point for the inductor on converter B
Input power supply voltage for converter B
Enable pin for output B
Oscillator synchronization input — connect to VIN for forced PWM mode, ground for power-save
mode or connect to an external clock for frequency synchronization.
Reference supply input
Not connected — Leave open
Enable pin for output A
Thermal pad for heatsinking purposes — connect to ground plane using multiple vias — not con-
nected internally
Pin Function
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SC198A
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