SI9169_07 VISHAY [Vishay Siliconix], SI9169_07 Datasheet - Page 3

• Manufacturer Part Number: SI9169_07
• Description: High Frequency 1-A Synchronous Buck/Boost Converter
• Manufacturer: VISHAY [Vishay Siliconix]

Notes:
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
c. V
d. V
e. Limits are for both Si9169BQ (- 25 °C to 85 °C) and Si9169DQ (- 40 °C to 85 °C) unless otherwise noted.
Document Number: 70945
S-72058-Rev. E, 08-Oct-07
SPECIFICATIONS
Parameter
SD, SYNC, PWM/PSM
Logic High
Logic Low
Input Current
Oscillator
Maximum Frequency
Accuracy
Maximum Duty Cycle
(Buck, Non LDO Mode)
Maximum Duty Cycle (Boost)
SYNC Range
SYNC Low Pulse Width
SYNC High Pulse Width
SYNC t
Error Amplifier
Input Bias Current
Open Loop Voltage Gain
FB Threshold
Unity Gain BW
Output Current
Output Current
Output Current
(PWM)
Output Current
(PSM)
r
r
Over Temperature Protection
Trip Point
Hysteresis
Supply
Normal Mode
PSM Mode
Shutdown Mode
DS(on)
DS(on)
IN
IN
= V
= V
N-Channel
P-Channel
r
DD
DD
, t
f
, V
= V
OUT
S
= V
= V
IN/OUT
IN/OUT
Boost Mode
Buck Mode
Boost Mode
Buck Mode
, V
= V
OUT
S
= V
= V
d
d
c
c
O
O
, L = 1.5 µH, V
, L = 1.5 µH, V
F
SYNC
Symbol
r
F
D
A
DS(on)
I
I
V
BW
V
BIAS
I
V
I
OUT
MAX
MAX
VOL
DD
I
EA
FB
IH
L
IL
/F
OSC
IN
IN
≤ V
≥ V
Source (V
Sink (V
OUT
OUT
Nominal 1.60 MHz, R
Unless Otherwise Specified
F
V
V
SW
V
V
DD
IN/OUT
FB
IN
IN
V
1.8 V ≤ V
FB
Rising Temperature
DD
2.7 V < V
= 2 MHz
= 3.3 V, F
= 3.3 V, V
= 3.6 V, V
Test Conditions
= 1.55 V), V
= 1.05 V), V
V
= 3.3 V, SD = 0 V
V
V
= 3.3 V, V
T
V
OUT
DD
FB
A
S
= 25 °C
≥ 3.3 V
= 1.5 V
OUT
= 3.3 V
≤ 4.2 V
DD
OSC
OUT
OUT
≤ 5.0 V
< 6 V,
COMP
S
OSC
= 2 MHz
COMP
= 3.6 V
= 2.7 V
= 3.3 V
= 30 kΩ
= 0.75 V
Si9169BQ
Si9169DQ
Si9169BQ
Si9169DQ
= 0.75 V
1.270
1.255
Min
1000
1000
- 1.0
- 20
150
150
2.4
1.2
75
73
52
50
50
50
- 1
50
2
1
a
Limits
Typ
Vishay Siliconix
1.30
1.30
130
160
165
500
180
- 3
85
85
65
65
60
25
2
3
b
e
1.330
1.340
Max
www.vishay.com
300
330
750
250
0.8
1.0
1.5
20
50
- 1
1
1
Si9169
a
MHz
MHz
Unit
mΩ
mA
mA
µA
µA
dB
µA
ns
°C
%
V
V
3