L6910 STMicroelectronics, L6910 Datasheet - Page 4

• Manufacturer Part Number: L6910
• Description: IC PWM BUCK BST VM 16SOIC
• Manufacturer: STMicroelectronics

Specifications of L6910

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 230kHz
• Duty Cycle: 100%
• Voltage - Supply: 5 V ~ 12 V
• Buck: Yes
• Boost: Yes
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 230kHz
• Output Voltage: 4 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3656-5; 497-4220-5; 497-4220-5

L6910 - L6910A
Table 5. Electrical Characteristics (V
4/29
V
POWER-ON
SOFT START AND INHIBIT
OSCILLATOR
REFERENCE
ERROR AMPLIFIER
GATE DRIVERS
PROTECTIONS
POWER GOOD
Symbol
V
R
I
f
R
V
GBWP
I
I
I
I
cc
OSC,RT
PGOOD
OCSET
V
EAREF
HGATE
PGOOD
V
V
LGATE
f
HGATE
I
V
LGATE
COMP
Vosc
OSC
OSC
SR
Icc
Iss
I
G
OUT
REF
REF
FB
CM
SUPPLY CURRENT
V
Vcc Supply current
Turn-On Vcc threshold
Turn-Off Vcc threshold
Rising V
Turn On EAREF threshold
Soft start Current
S.S. current in INH condition
Initial Accuracy
Total Accuracy
Ramp amplitude
Output Voltage Accuracy
Reference Voltage
Reference Voltage
N.I. bias current
EAREF Input Resistance
I.I. bias current
Common Mode Voltage
Output Voltage
Open Loop Voltage Gain
Gain-Bandwidth Product
Slew-Rate
High Side
Source Current
High Side
Sink Resistance
Low Side Source Current
Low Side Sink Resistance
Output Driver Dead Time
OCSET Current Source
Over Voltage Trip (V
OSC Sourcing Current
Upper Threshold (V
Lower Threshold (V
Hysteresis (V
PGOOD Voltage Low
Output Leakage Current
OCSET
Parameter
FB
threshold
/ V
EAREF
FB
FB
FB
/ V
/ V
/ V
)
EAREF
EAREF
EAREF
)
)
)
cc
= 12V, T
OSC = open; SS to GND
VOCSET = 4V
VOCSET = 4V
VOCSET = 4V
SS = 2V
SS = 0 to 0.4V
OSC = OPEN
OSC = OPEN; T
16 K < R
V
C
C
V
Vs. GND
V
COMP = 10pF
V
V
V
Vcc = 12V; V
Vcc = 12V
PHASE connected to GND
V
V
V
V
V
Upper and Lower threshold
I
V
PGOOD
OUT
OCSET
EAREF
FB
BOOT
HGATE
BOOT
FB
FB
FB
FB
PGOOD
REF
REF
> OVP Trip
= 0V to 3V
Rising
Rising
Falling
= V
= 1nF; I
= 1nF; T
- V
- V
= -4mA
= 3V
- V
= 4V
= 6V
Test Condition
FB
J
PHASE
PHASE
T
PHASE
=25°C unless otherwise specified)
; V
to GND < 200 K
LGATE
REF
EAREF
J
= 0 to 125 C
j
= 12V
= 12V
= 0 to 125
= 6V
= 0 to 100 A
= 6V
= V
REF
0.886
0.886
Min
180
170
170
108
4.0
3.8
-15
0.8
0.5
0.9
70
90
15
88
-2
4
6
1
0.900
0.900
1.24
0.01
Typ
650
200
300
200
117
110
4.3
4.1
1.9
1.3
1.1
1.5
0.4
0.2
10
35
10
85
10
10
30
90
7
2
2
0.913
0.913
Max
750
220
230
210
230
120
112
4.6
4.4
1.4
0.5
14
60
15
+2
92
9
3
4
4
3
1
MHz
V/ s
Unit
KHz
kHz
mA
mA
mV
k
dB
ns
%
%
%
%
%
%
V
V
V
V
V
V
V
V
A
A
V
A
A
A
A
A
A