PM8800ATR STMicroelectronics, PM8800ATR Datasheet - Page 12

• Manufacturer Part Number: PM8800ATR
• Description: IC POE-PD PWM CTLR 16-HTSSOP
• Manufacturer: STMicroelectronics

Specifications of PM8800ATR

• Applications: Power Over Ethernet (PoE)
• Interface: IEEE 802.3af
• Voltage - Supply: 10 V
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Mounting Type: Surface Mount
• For Use With: 497-6366 - BOARD EVAL FOR PM8800A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6897-2; PM8800ATR

Electrical specifications
12/35
Table 6.
(
Oscillator
Error amplifier
Soft start
Current limit
PWM comparator
Output driver
V
IN
Symbol
COMP
GBW
= 48 V, VCC = open, T
V
f
I
G
osc
SS
EA
0
Electrical characteristics - SMPS section
Free running
Frequency
programmability
Ext. synch threshold
EA input voltage
Gain bandwidth
DC gain
Sink current capability
Soft start current
SS voltage
Delay to output
Cycle by cycle current
limit threshold voltage
Leading edge blanking
time
Delay to output
Minimum duty cycle
Maximum duty cycle
COMP to PWM gain
Output high
Output low
Fall time
Rise time
Peak source current
Parameter
A
= 25 °C unless otherwise specified).
R
R
R
50 ns pulse
FB = COMP
Guaranteed by design
Guaranteed by design
COMP to GND
Charging
Discharging
Guaranteed by design
Guaranteed by design
Guaranteed by design
I
guaranteed by design
I
C
C
C
guaranteed by design
After soft start
GD
GD
T
T
T
LOAD
LOAD
LOAD
= open
= 88 kΩ
= 33 kΩ
= 100 mA;
= -100 mA
= 3.3 nF
= 3.3 nF
= 3.3 nF;
Test conditions
1.21
0.44
210
385
2.1
85
-8
-7
7
Min
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Vcc-0.4 Vcc-0.7
1.25
0.50
0.25
Typ
100
240
440
800
2.8
-15
-10
2.3
0.5
10
75
10
20
80
25
35
35
80
1.29
0.56
115
270
495
-13
2.5
13
83
Max
0
0.5
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
PM8800A
Unit
MHz
kHz
kHz
kHz
mA
mA
dB
µA
µA
ns
ns
ns
ns
ns
%
%
V
V
V
V
V
V